General Anatomy including embryology and histology
1
What is the primary function of the skeletal system?
A.Transportation
B.Protection
C.Reproduction
D.Digestion
2
Which tissue type lines the cavities and surfaces of structures throughout the body, providing a barrier?
A.Connective tissue
B.Epithelial tissue
C.Muscle tissue
D.Nervous tissue
3
During embryonic development, the notochord gives rise to which structure in the adult human?
A.Spinal cord
B.Brain
C.Vertebrae
D.Muscles
4
Which of the following is responsible for the production of red blood cells?
A.Liver
B.Kidneys
C.Spleen
D.Bone marrow
5
What is the basic unit of the nervous system?
A.Neuron
B.Red blood cell
C.White blood cell
D.Osteocyte
6
Which of the following is a function of the integumentary system?
A.Regulation of body temperature
B. Production of hormones
C.Pumping blood
D.Absorption of nutrients
7
In which layer of the skin are sweat glands found?
A.Epidermis
B.Dermis
C.Hypodermis
D.Subcutaneous tissue
8
Which bone is commonly known as the collarbone?
A.Scapula
B.Humerus
C.Clavicle
D.Femur
9
What type of joint is the elbow joint?
A.Ball and socket joint
B.Hinge joint
C.Pivot joint
D.Gliding joint
10
Which of the following is NOT a type of muscle tissue?
A.Skeletal muscle
B.Cardiac muscle
C.Smooth muscle
D.Cartilage
11
Which of the following is the primary function of the respiratory system?
A.Filtration of blood
B.Digestion of nutrients
C.Exchange of gases
D.Regulation of body temperature
12
During embryonic development, what is the outermost layer of the gastrula called?
A.Ectoderm
B.Mesoderm
C.Endoderm
D.Epiderm
13
What is the function of the Golgi apparatus in a cell?
A.Protein synthesis
B.Energy production
C.Cellular respiration
D.Packaging and modification of proteins
14
Which of the following is a function of the lymphatic system?
A.Pumping blood
B.Filtration of urine
C.Transportation of oxygen
D.Immune defense
General human physiology and Biochemistry
1
What is the primary function of the respiratory system?
A.Regulation of blood sugar
B.Oxygen transport and carbon dioxide removal
C.Regulation of body temperature
D.Synthesis of hormones
2
Which hormone is responsible for regulating blood glucose levels?
A.Insulin
B.Thyroxine
C.Estrogen
D.Cortisol
3
What is the main function of the kidneys in the human body?
A.Regulation of blood pressure
B.Filtration of blood and urine formation
C.Digestion of nutrients
D.Production of red blood cells
4
Which enzyme is responsible for breaking down proteins into amino acids in the stomach?
A.Amylase
B.Lipase
C.Pepsin
D. Trypsin
5
What is the primary function of red blood cells (erythrocytes)?
A.Blood clotting
B.Immune response
C.Oxygen transport
D.Calcium storage
6
In which part of the digestive system does most nutrient absorption take place?
A.Stomach
B.Small intestine
C.Large intestine
D.Esophagus
7
What is the role of hemoglobin in the blood?
A.Regulation of blood pressure
B.Oxygen transport
C.Clot formation
D.Digestion of fats
8
Which hormone is produced by the thyroid gland and regulates metabolism?
A.Insulin
B.Thyroxine
C.Estrogen
D.Cortisol
9
What is the function of bile in digestion?
A.Emulsification of fats
B.Digestion of proteins
C.Absorption of glucose
D. Synthesis of vitamins
10
What is the primary function of the lymphatic system?
A.Oxygen transport
B.Nutrient absorption
C. Immune response and fluid balance
D. Synthesis of enzymes
11
What is the primary function of insulin in the body?
A.Stimulating hunger
B.Lowering blood glucose levels
C. Increasing heart rate
D.Promoting fat storage
12
Which organ produces bile?
A.Pancreas
B.Liver
C.Gallbladder
D.Stomach
13
What is the main function of the hormone cortisol?
A.Regulating blood pressure
B.Controlling the sleep-wake cycle
C.Facilitating the stress response
D.Stimulating insulin production
14
Where does the majority of nutrient absorption occur in the small intestine?
A.Duodenum
B.Jejunum
C.Ileum
D.Colon
Dental Anatomy, Embryology and Oral Histology
1
What is the hardest substance in the human body?
A.Dentin
B.Enamel
C.Cementum
D.Pulp
2
Which tooth is also known as the "wisdom tooth"?
A.Canine
B.Premolar
C. Molar
D. Third molar
3
Which part of the tooth is responsible for anchoring it to the jawbone?
A.Pulp
B.Crown
C.Root
D.Enamel
4
What is the primary function of the periodontal ligament?
A.Nutrient supply to the tooth
B.Anchoring the tooth to the jawbone
C.Sensation of pain in the tooth
D. Production of saliva
5
Which tooth is known as the "eye tooth"?
A.Incisor
B.Canine
C.Molar
D.Premolar
6
Which type of teeth are designed for cutting and chopping food?
A.Incisors
B.Canines
C.Premolars
D.Molars
7
What is the function of salivary amylase in the oral cavity?
A.Digestion of proteins
B.Digestion of fats
C.Digestion of carbohydrates
D.Antibacterial action
8
Which tooth is often referred to as the "cornerstone" of the mouth?
A.Central incisor
B. Lateral incisor
C.Canine
D.First molar
9
Which part of the tooth contains blood vessels and nerves?
A.Dentin
B. Enamel
C.Cementum
D.Pulp
10
What is the function of the uvula in the oral cavity?
A.Taste perception
B.Speech articulation
C.Regulation of airflow during swallowing
D.Production of saliva
11
Which tooth is most likely to have a bifurcated (split) root?
A.Central incisor
B.Lateral incisor
C.Canine
D.Mandibular first molar
12
Which type of teeth are also known as "cuspid" teeth?
A.Incisors
B.Canines
C.Premolars
D.Molars
13
What is the purpose of the lingual frenulum?
A.Attachment of the tongue to the floor of the mouth
B. Attachment of the lip to the gingiva
C.Anchoring the tooth to the jawbone
D.Production of saliva
14
Which teeth are commonly referred to as the "chewing" teeth?
A.Incisors
B.Canines
C.Premolars
D.Molars
General Pathology and Microbiology
1
What is the study of disease processes at the cellular and molecular level called?
A.Histology
B.Pathophysiology
C.Pathology
D.Epidemiology
2
Which term refers to the death of cells or tissues due to lack of blood supply?
A.Apoptosis
B. Necrosis
C.Inflammation
D.Fibrosis
3
Which term refers to the death of cells or tissues due to lack of blood supply?
A. Apoptosis
B.Necrosis
C.Inflammation
D.Fibrosis
4
Which of the following is a characteristic feature of inflammation?
A. Decreased blood flow
B.Increased vascular permeability
C. Tissue regeneration
D.Reduced leukocyte migration
5
What is the primary function of leukocytes in inflammation?
A.Phagocytosis
B. Antibody production
C.Clot formation
D.Oxygen transport
6
Which type of necrosis is often seen in tuberculosis infections?
A.Caseous necrosis
B.Liquefactive necrosis
C.Coagulative necrosis
D.Fibrinoid necrosis
7
What is the term for the abnormal proliferation of cells?
A.Hypertrophy
B.Hyperplasia
C.Atrophy
D.Metaplasia
8
Which of the following is a characteristic feature of chronic inflammation?
A.Rapid onset
B.Neutrophil infiltration
C.Tissue destruction and repair
D.Increased vascular permeability
9
What is the primary function of the complement system in the immune response?
A.Phagocytosis
B.Cytotoxicity
C.Opsonization
D.Antibody production
10
Which term describes the replacement of one differentiated cell type with another?
A.Hypertrophy
B.Hyperplasia
C.Atrophy
D.Metaplasia
11
Which of the following is a type of adaptive immunity?
A.Natural killer cells
B.B cells
C.Neutrophils
D.Macrophages
12
What is the primary function of T cells in the immune response?
A. Antibody production
B.Phagocytosis
C.Cell-mediated immunity
D.Opsonization
13
Which immunoglobulin is involved in allergic reactions?
A. IgA
B. IgD
C. IgE
D. IgM
14
Which term describes a localized collection of pus in a cavity formed by tissue disintegration?
A.Abscess
B.Ulcer
C.Granuloma
D.Cyst
General and Dental Pharmacology and Therapeutics
1
What is the primary mechanism of action of nonsteroidal anti-inflammatory drugs (NSAIDs)?
A.inhibition of cyclooxygenase (COX)
B. Inhibition of acetylcholinesterase
C.Blockade of beta-adrenergic receptors
D.Activation of histamine receptors
2
Which class of drugs is commonly used to treat angina by dilating coronary arteries and improving blood flow to the heart?
A.Beta-blockers
B.Calcium channel blockers
C.ACE inhibitors
D.Diuretics
3
What is the primary action of angiotensin-converting enzyme (ACE) inhibitors?
A. Vasodilation
B.Vasoconstriction
C.Aldosterone secretion
D.Sympathetic stimulation
4
Which drug class is commonly prescribed to reduce blood cholesterol levels by inhibiting HMG-CoA reductase?
A.Beta-blockers
B. Statins
C.Diuretics
D.Angiotensin II receptor blockers (ARBs)
5
What is the primary use of beta-blockers in dentistry?
A.Pain relief
B.Anxiety reduction
C.Control of blood pressure
D.Antimicrobial activity
6
Which drug is commonly used to reverse opioid toxicity and respiratory depression?
A.Naloxone
B.Diazepam
C.Lorazepam
D.Midazolam
7
What is the primary mechanism of action of benzodiazepines?
A.Inhibition of serotonin reuptake
B.Inhibition of GABA receptors
C.Stimulation of dopamine release
D.Inhibition of acetylcholinesterase
8
Which anticoagulant is commonly used for the prevention of venous thromboembolism (VTE) after major orthopedic surgery?
A.Warfarin
B.Heparin
C.Rivaroxaban
D.Clopidogrel
9
Which drug class is used to treat type 2 diabetes by improving insulin sensitivity and reducing hepatic glucose production?
A.Sulfonylureas
B.Biguanides
C. Thiazolidinediones
D.Alpha-glucosidase inhibitors
10
What is the primary use of corticosteroids in dentistry?
A.Pain relief
B.Allergic reactions
C.Anti-inflammatory effects
D.Local anesthesia
11
Which local anesthetic is commonly used in dentistry and is associated with a longer duration of action?
A.Lidocaine
B.Mepivacaine
C.Articaine
D.Procaine
12
What is the primary mechanism of action of acetylsalicylic acid (aspirin)?
A.COX inhibition
B.GABA receptor stimulation
C.Serotonin reuptake inhibition
D.NMDA receptor antagonism
13
Which class of drugs is commonly used to treat hypertension and heart failure by blocking the renin-angiotensin-aldosterone system?
A.Beta-blockers
B.ACE inhibitors
C.Calcium channel blockers
D.Thiazide diuretics
14
What is the primary use of nitrates in cardiovascular medicine?
A. Anticoagulation
B.Antihypertension
C. Antiarrhythmia
D. Vasodilation
Dental Materials
1
Which dental material is commonly used for direct restorations and is composed of a mixture of powdered glass and an organic resin matrix?
A.Amalgam
B.Glass ionomer
C.Composite resin
D.Zinc oxide eugenol
2
What is the primary component of dental amalgam?
A.Silver
B.Mercury
C.Copper
D.Tin
3
Which dental material is known for its ability to release fluoride and is often used for restorations in primary teeth and as a luting agent for crowns and bridges?
A.Amalgam
B.Glass ionomer
C.Composite resin
D.Zinc phosphate cement
4
What is the purpose of the liner in a dental restoration?
A.Provide strength
B.Insulate against temperature changes
C.Bond to tooth structure
D.Protect the pulp
5
Which dental material is commonly used for provisional (temporary) restorations and is available in both self-cure and light-cure formulations?
A.Glass ionomer
B.Composite resin
C.Zinc phosphate cement
D.Polycarboxylate cement
6
What is the primary component of gutta-percha, a material commonly used in endodontics for root canal filling?
A.Zinc
B.Silver
C.Gutta-percha
D.Lead
7
Which dental material is used as an impression material and is known for its high accuracy, dimensional stability, and ability to reproduce fine detail?
A.Alginate
B.Polyvinyl siloxane
C.Polysulfide
D.Zinc oxide eugenol
8
What is the purpose of the bonding agent in composite resin restorations?
A.Provide strength
B.Promote adhesion to tooth structure
C.Release fluoride
D.Insulate against temperature changes
9
Which dental material is commonly used for the fabrication of temporary crowns and bridges in the dental laboratory?
A.Acrylic resin
B.Composite resin
C.Metal alloy
D.Porcelain
10
What is the primary component of dental porcelain?
A.Feldspar
B.Quartz
C.Zirconia
D.Alumina
11
Which dental material is used to make casts and models and is derived from seaweed?
A.Alginate
B.Polyvinyl siloxane
C.Polysulfide
D.Zinc oxide eugenol
12
What is the function of a dental varnish?
A.Provide strength
B.Promote adhesion
C.Release fluoride
D.Protect against temperature changes
13
Which dental material is commonly used for the cementation of crowns, bridges, and orthodontic bands?
A.Glass ionomer
B.Zinc phosphate cement
C.Composite resin
D.Polycarboxylate cement
14
What is the primary component of dental cements such as zinc oxide eugenol and zinc phosphate?
A.Zinc
B.Mercury
C.Glass powder
D.Silica
General Medicine
1
Which organ is primarily affected by hepatitis?
A.Kidney
B.Liver
C.Heart
D.Lungs
2
Which hormone is responsible for regulating blood sugar levels?
A.Thyroxine
B.Insulin
C.Cortisol
D.Estrogen
3
Which hormone is responsible for the regulation of water and electrolyte balance in the body?
A.Insulin
B.Antidiuretic hormone (ADH)
C.Thyroxine
D.Cortisol
4
What is the hallmark symptom of asthma?
A.Chest pain
B.Shortness of breath
C.Chronic cough
D.Fatigue
5
What is the primary function of the spleen?
A.Blood filtration and storage of platelets
B.Production of red blood cells
C.Storage of bile
D.Regulation of blood sugar levels
6
Which condition is characterized by an inadequate production of red blood cells?
A.Thrombocytopenia
B.Leukopenia
C.Anemia
D.Hemophilia
7
Which condition is characterized by the inflammation of the bronchial tubes, leading to the production of thick mucus and coughing?
A.Asthma
B.Chronic bronchitis
C.Pneumonia
D. Emphysema
8
What is the primary cause of chronic obstructive pulmonary disease (COPD)?
A.Smoking
B.Air pollution
C.Genetic factors
D.Occupational exposure to dust and chemicals
9
Which condition is characterized by the inflammation of the gallbladder?
A.Cholecystitis
B.Hepatitis
C.Pancreatitis
D.Nephrolithiasis
10
Which vitamin deficiency is associated with rickets in children and osteomalacia in adults?
A.Vitamin A
B.Vitamin C
C.Vitamin D
D.Vitamin K
11
Which autoimmune disorder primarily affects the joints, causing pain, swelling, and stiffness?
A.Rheumatoid arthritis
B.Systemic lupus erythematosus (SLE)
C.Psoriatic arthritis
D.Osteoarthritis
12
What is the primary function of the thyroid gland?
A.Regulation of blood sugar
B.Regulation of metabolism and energy production
C.Regulation of blood pressure
D.Production of insulin
13
Which autoimmune disorder primarily affects the joints, causing pain and inflammation?
A.Lupus
B.Rheumatoid arthritis
C.Multiple sclerosis
D.Crohn's disease
14
Which of the following is a risk factor for cardiovascular disease?
A.High-density lipoprotein (HDL) cholesterol
B.Low blood pressure
C.Low-density lipoprotein (LDL) cholesterol
D.Regular exercise
General Surgery
1
What is the primary purpose of a cholecystectomy?
A.Appendicitis
B.Gallstone removal
C.Hernia repair
D.Kidney transplant
2
Which organ is primarily involved in a Whipple procedure?
A.Stomach
B.Pancreas
C.Liver
D.Small intestine
3
In a laparoscopic surgery, what type of instrument is used for cutting tissues?
A.Grasper
B.Scissors
C.Trocar
D.Suture needle
4
What is the primary indication for a splenectomy?
A.Appendicitis
B.Splenic rupture
C.Gastric ulcer
D.Colorectal cancer
5
squamous cell carcinoma. The most appropriate next step is:
A.Esophagectomy with gastric pull-up
B.Chemoradiation therapy
C.Chemotherapy alone
D.Endoscopic stent placement
E.Observation with palliative care
6
What is the primary purpose of a thoracotomy?
A.Repair of a hernia
B.Treatment of lung cancer
C.Removal of the spleen
D.Appendectomy
7
What is the main purpose of a colostomy?
A.Gastric bypass
B.Diverticular disease management
C.Appendectomy
D.Gallbladder removal
8
Which procedure is commonly performed to treat varicose veins?
A.Angioplasty
B.Endarterectomy
C.Vein ligation and stripping
D.Cardiac catheterization
9
What is the primary purpose of a lobectomy?
A. Treatment of liver cirrhosis
B.Removal of a lobe of the lung
C.Repair of a hiatal hernia
D.Treatment of esophageal cancer
10
Which of the following is a common complication after gastric bypass surgery?
A.Hepatitis
B.Dumping syndrome
C.Hyperthyroidism
D.Osteoporosis
11
Which condition is characterized by the presence of stones in the urinary tract?
A.Nephrosis
B.Urethritis
C.Urolithiasis
D.Cystitis
12
Which condition is characterized by inflammation of the appendix?
A.Diverticulitis
B.Appendicitis
C.Cholecystitis
D.Pancreatitis
13
In the context of wound healing, what is the term for the removal of sutures or staples?
A.Debridement
B.Evisceration
C.Suturolysis
D.Hemostasis
14
Which surgical procedure is commonly performed to treat morbid obesity?
A.Nephrectomy
B.Appendectomy
C.Gastric bypass
D.Thyroidectomy
Oral Pathology and Oral Microbiology
1
Which bacterium is associated with the formation of dental plaque and caries?
A.Streptococcus mutans
B.Porphyromonas gingivalis
C.Treponema pallidum
D.Actinomyces israelii
2
What is the primary cause of periodontal disease?
A.Staphylococcus aureus
B.Porphyromonas gingivalis
C.Escherichia coli
D.Streptococcus pyogenes
3
Which bacterium is associated with the development of necrotizing ulcerative gingivitis (NUG)?
A.Fusobacterium nucleatum
B.Prevotella intermedia
C.Actinomyces israelii
D.Streptococcus sanguinis
4
Which organism is responsible for the majority of fungal infections in the oral cavity?
A.Candida albicans
B.Aspergillus fumigatus
C.Cryptococcus neoformans
D.Histoplasma capsulatum
5
Which virus is associated with the development of herpetic stomatitis?
A.Human papillomavirus (HPV)
B.Herpes simplex virus (HSV)
C.Varicella-zoster virus (VZV)
D.Cytomegalovirus (CMV)
6
What is the primary mode of transmission for infectious mononucleosis caused by the Epstein-Barr virus (EBV)?
A.Airborne
B.Fecal-oral
C.Bloodborne
D.Saliva
7
Which bacterium is associated with the development of syphilis?
A. Treponema pallidum
B.Neisseria gonorrhoeae
C.Haemophilus influenzae
D.Chlamydia trachomatis
8
Which organism is responsible for the development of oral thrush in immunocompromised individuals?
A.Candida albicans
B.Aspergillus fumigatus
C.Cryptococcus neoformans
D.Histoplasma capsulatum
9
Which virus is associated with the development of hand, foot, and mouth disease in children?
A.Coxsackievirus
B.Epstein-Barr virus (EBV)
C.Varicella-zoster virus (VZV)
D.Human immunodeficiency virus (HIV)
10
What term is used to describe the presence of abnormal numbers of cells in the oral epithelium, often associated with human papillomavirus (HPV)?
A.Leukoplakia
B.Erythroplakia
C.Hyperplasia
D.Dysplasia
11
Which organism is associated with the development of dental caries by producing acid from sugars?
A.Streptococcus mutans
B.Porphyromonas gingivalis
C.Actinomyces israelii
D.Prevotella intermedia
12
Which bacterium is a common cause of infection following dental procedures and may lead to the formation of abscesses?
A.Streptococcus pyogenes
B.Staphylococcus aureus
C.Actinomyces israelii
D.Porphyromonas gingivalis
13
Which virus is associated with the development of oral herpes and can remain latent in nerve ganglia?
A.Human papillomavirus (HPV)
B.Herpes simplex virus (HSV)
C. Varicella-zoster virus (VZV)
D.Cytomegalovirus (CMV)
14
What is the term for the study of microorganisms that inhabit the oral cavity?
A.Virology
B.Microbiology
C.Oral Microbiology
D.Pathology
15
What is the most common oral cancer?
A.Adenocarcinoma
B.Squamous cell carcinoma
C.Mucoepidermoid carcinoma
D.Ameloblastoma
Oral Medicine and Radiology
1
What is the primary purpose of oral medicine?
A.Surgical interventions
B.Diagnosis and non-surgical management of oral diseases
C.Radiographic imaging
D.Orthodontic treatments
2
In oral radiology, which imaging technique is commonly used to visualize the temporomandibular joint (TMJ)?
A.Panoramic radiography
B.Cone-beam computed tomography (CBCT)
C.Magnetic resonance imaging (MRI)
D.Ultrasound imaging
3
What is the term for a localized collection of pus within the tissues of the oral cavity?
A.Cyst
B.Abscess
C.Fistula
D.Granuloma
4
Which condition is characterized by the abnormal presence of lactobacilli on the tooth surface?
A.Dental caries
B.Periodontitis
C.Oral candidiasis
D.Leukoplakia
5
In oral radiology, what does the term "bitewing" refer to?
A.A type of panoramic radiograph
B.Radiographic assessment of the TMJ
C.X-ray examination of the maxillary sinuses
D.Radiographs where the patient bites on a tab to show the crowns of the upper and lower teeth
6
What is the most common cause of temporomandibular joint (TMJ) disorders?
A.Trauma
B.Bruxism (teeth grinding)
C.Genetic factors
D.Poor oral hygiene
7
Which of the following conditions is associated with the Epstein-Barr virus and presents as white patches in the oral cavity?
A.Oral lichen planus
B.Oral candidiasis
C.Herpetic stomatitis
D.Oral hairy leukoplakia
8
What is the primary role of oral medicine specialists in the management of oral diseases?
A.Surgical interventions
B.Restoration of teeth
C.Diagnosis and non-surgical management
D.Orthodontic treatments
9
In oral radiology, what does the term "periapical" refer to?
A.Radiographic view of the entire oral cavity
B.Radiographic view focusing on the crowns of the teeth
C.Radiographic view of the supporting structures around the tooth apex
D.Radiographic assessment of the temporomandibular joint
10
What is the most common imaging modality for assessing the bone structure of the maxillofacial region?
A.Panoramic radiography
B.Cone-beam computed tomography (CBCT)
C.Magnetic resonance imaging (MRI)
D.Ultrasound imaging
11
What term is used to describe a localized collection of blood within the oral tissues?
A.Hematoma
B.Granuloma
C.Abscess
D.Cyst
12
Which imaging technique is commonly employed for the assessment of impacted teeth and their relation to adjacent structures?
A.Panoramic radiography
B.Magnetic resonance imaging (MRI)
C.Ultrasonography
D.Cone-beam computed tomography (CBCT)
13
What condition is characterized by the abnormal enlargement of the salivary glands, often associated with pain while eating?
A.Sialolithiasis
B.Sialadenitis
C.Mucocele
D.Ranula
14
In oral medicine, what is the term for a white lesion that cannot be wiped off and may indicate a precancerous or cancerous condition?
A.Leukoplakia
B.Erythroplakia
C.Lichen planus
D.Pemphigus
15
Which of the following is a common symptom associated with temporomandibular joint (TMJ) disorders?
A.Xerostomia
B.Tinnitus
C.Halitosis
D.Glossitis
Pedodontics and Preventive Dentistry
1
What is the recommended age for a child's first dental visit ?
A.2 years old
B.3 years old
C.1 year old
D.4 years old
2
Which primary teeth are commonly known as "milk teeth" ?
A.Incisors
B.Canines
C.Molars
D.Deciduous teeth
3
What is the primary cause of early childhood caries (ECC) ?
A.Genetics
B.Poor oral hygiene
C.Bottle - feeding at bedtime
D.Fluoride deficiency
4
At what age does the eruption of the first permanent molars typically occur ?
A.5 - 6 years old
B.7 - 8 years old
C.9 - 10 years old
D.11 - 12 years old
5
What is the purpose of pit and fissure sealants in preventive dentistry ?
A.To whiten teeth
B.To prevent cavities
C.To treat gum disease
D.To reduce tooth sensitivity
6
What is the most common chronic disease in children ?
A.Asthma
B.Diabetes
C.Dental caries
D.Obesity
7
What is the purpose of a space maintainer in pediatric dentistry ?
A.To straighten teeth
B.To prevent tooth decay
C.To maintain space for erupting permanent teeth
D.To treat gum disease
8
Which fluoride concentration is commonly recommended for topical application in pediatric patients ?
A.0.05%
B.0.2%
C.0.7%
D.1.23%
9
What is the recommended frequency of dental visits for children with low caries risk ?
A.Every 3 months
B.Every 6 months
C.Once a year
D.Only when experiencing pain
10
At what age does the eruption of the permanent maxillary central incisors typically occur ?
A.6 - 7 years old
B.8 - 9 years old
C.10 - 11 years old
D.12 - 13 years old
11
Which primary tooth is often referred to as the "shovel - shaped" incisor ?
A.Maxillary central incisor
B.Mandibular central incisor
C.Maxillary lateral incisor
D.Mandibular lateral incisor
12
What is the most common type of supernumerary tooth in children ?
A.Mesiodens
B.Paramolar
C.Distomolar
D.Conoid tooth
13
What is the primary cause of enamel hypoplasia in developing teeth ?
A.Fluoride excess
B.Trauma
C.Nutritional deficiency
D.Genetic factors
14
Which primary tooth has a distinctive "H" shape on the occlusal surface ?
A.Maxillary first molar
B.Mandibular first molar
C.Maxillary second molar
D.Mandibular second molar
Orthodontics and Dentofacial Orthopedics
1
Which of the following materials is commonly used for the fabrication of metal - ceramic crowns ?
A.Gold
B.Porcelain
C.Composite resin
D.Zinc oxide eugenol
2
What is the primary focus of orthodontics ?
A.Oral surgery
B.Gum disease treatment
C.Straightening and aligning teeth
D.Teeth cleaning
3
Which imaging technique is commonly used in orthodontics for treatment planning ?
A.Positron emission tomography (PET)
B.Magnetic resonance imaging (MRI)
C.Cone - beam computed tomography (CBCT)
D.Ultrasound
4
What is the purpose of orthodontic elastics (rubber bands) in treatment ?
A.Teeth cleaning
B. Aligning teeth
C.Jaw muscle strengthening
D.Correcting bite relationships
5
Which orthodontic appliance is often used to correct overbite by gradually moving the upper molars backward ?
A.Headgear
B.Braces
C.Retainers
D.Expanders
6
What is the term for the irregular alignment of teeth ?
A.Malocclusion
B.Periodontitis
C.Gingivitis
D.Plaque
7
Which orthodontic appliance is used to widen the upper jaw ?
A.Headgear
B.Braces
C.Retainers
D.Palatal expander
8
What is the function of orthodontic separators (spacers) ?
A.Aligning teeth
B.Creating space between teeth
C.Retaining teeth in position
D.Jaw surgery
9
Which orthodontic appliance is often used to maintain the position of teeth after orthodontic treatment ?
A.Headgear
B.Braces
C.Retainers
D.Expanders
10
What is the term for the misalignment of the upper and lower jaws when closed ?
A.Overbite
B.Overjet
C.Crossbite
D.Open bite
11
Which type of braces is less visible and consists of clear or tooth - colored brackets and wires ?
A.Metal braces
B.Ceramic braces
C.Lingual braces
D.Invisalign
12
What is the purpose of orthodontic wax ?
A.Teeth cleaning
B.Pain relief from braces
C.Teeth whitening
D.Bite correction
13
Which orthodontic appliance is placed on the tongue side of the teeth, making it less visible ?
A.Headgear
B.Braces
C.Retainers
D.Lingual braces
14
What is the term for the process of adjusting the fit of braces to guide teeth into the correct position ?
A.Orthognathic surgery
B.Occlusal adjustment
C.Braces tightening
D.Impression
Periodontology
1
Which of the following is the primary cause of periodontal disease ?
A.Bacteria
B.Virus
C.Fungi
D.Parasite
2
What is the primary function of the periodontal ligament ?
A.Anchorage of the tooth to the alveolar bone
B.Nourishment of the tooth
C.Protection of the tooth
D.Sensation of pressure and pain
3
What is the leading cause of tooth loss in adults ?
A.Dental caries
B.Trauma
C.Periodontal disease
D.Malocclusion
4
Which of the following is NOT a risk factor for periodontal disease ?
A.Smoking
B.Genetics
C.Poor oral hygiene
D.Frequent dental visits
5
What is the first sign of periodontal disease ?
A.Bleeding gums
B.Tooth mobility
C.Gingival recession
D.Halitosis
6
Which type of periodontitis affects the entire periodontium and often occurs in otherwise clinically healthy individuals ?
A.Chronic periodontitis
B.Aggressive periodontitis
C.Necrotizing periodontal disease
D.Periodontitis associated with systemic diseases
7
Which of the following periodontal treatments involves removing calculus and plaque from the root surfaces of teeth ?
A.Scaling and root planing
B.Gingivectomy
C.Crown lengthening
D.Periodontal flap surgery
8
Which type of periodontal surgery involves the removal of excess gum tissue to create a more esthetic appearance or to eliminate periodontal pockets ?
A.Gingivectomy
B.Crown lengthening
C.Periodontal flap surgery
D.Guided tissue regeneration
9
What is the primary goal of periodontal maintenance therapy ?
A.To eliminate all bacteria from the periodontal pockets
B.To regenerate lost periodontal tissues
C.To prevent the progression of periodontal disease
D.To achieve a cosmetic improvement in the smile
10
Which of the following systemic conditions is NOT associated with an increased risk of periodontal disease ?
A.Diabetes mellitus
B.Cardiovascular disease
C.Rheumatoid arthritis
D.Hypertension
11
Which of the following is NOT a common symptom of periodontal disease ?
A.Gum recession
B.Tooth sensitivity to hot and cold
C.Tooth mobility
D.Swelling of the gums
12
What is the primary cause of gingivitis ?
A.Plaque accumulation
B.Smoking
C.Genetic factors
D.Trauma
13
Which type of periodontal disease is characterized by rapid bone loss and attachment loss ?
A.Chronic periodontitis
B.Aggressive periodontitis
C.Necrotizing periodontal disease
D.Periodontitis associated with systemic diseases
14
What is the name of the space between the tooth and the gingiva ?
A.Periodontal ligament space
B.Periodontal pocket
C.Sulcus
D.Gingival crevice
Prosthodontics and Crown and Bridge
1
What is the primary purpose of a post and core in prosthodontics ?
A.To strengthen the tooth structure
B.To provide support for a crown restoration
C.To enhance the esthetics of the restoration
D.To prevent caries recurrence
2
In fixed prosthodontics, what is the purpose of a pontic ?
A.To serve as an abutment for a bridge
B.To support the adjacent teeth
C.To replace a missing tooth
D.To provide retention for a crown
3
Which of the following is NOT a type of fixed dental prosthesis ?
A.Crown
B.Bridge
C.Denture
D.Inlay
4
Which of the following dental materials is commonly used for fabricating dental crowns ?
A.Composite resin
B.Porcelain
C.Amalgam
D.Glass ionomer cement
5
Which of the following types of bridges requires the preparation of adjacent teeth on either side of the edentulous space ?
A.Maryland bridge
B.Cantilever bridge
C.Resin - bonded bridge
D.Traditional fixed bridge
6
What is the primary purpose of a crown lengthening procedure in prosthodontics ?
A.To reduce the length of the crown
B.To increase the length of the crown
C.To expose more tooth structure for restoration
D.To remove carious lesions
7
What is the purpose of a crown in prosthodontics ?
A.To cover and protect a damaged tooth
B.To replace a missing tooth
C.To stabilize adjacent teeth
D.To prevent tooth decay
8
In prosthodontics, what does the term "retention" refer to ?
A.The ability of a restoration to resist dislodgement along the path of insertion
B.The ability of a restoration to withstand occlusal forces
C.The ability of a restoration to blend with natural teeth
D.The ability of a restoration to resist wear and tear
9
What is the primary function of a dental bridge ?
A.To cover and protect a damaged tooth
B.To replace missing teeth by spanning the edentulous space
C.To prevent tooth decay
D.To stabilize mobile teeth
10
Which of the following statements about porcelain - fused - to - metal (PFM) crowns is true ?
A.PFM crowns are entirely made of porcelain
B.PFM crowns are less esthetic compared to all - metal crowns
C.PFM crowns provide excellent translucency
D.PFM crowns have a metal substructure covered by porcelain
11
Which of the following statements about all - ceramic crowns is true ?
A.All - ceramic crowns are not suitable for anterior teeth
B.All - ceramic crowns are less esthetic compared to porcelain - fused - to - metal crowns
C.All - ceramic crowns do not require tooth preparation
D.All - ceramic crowns provide excellent esthetics and biocompatibility
12
Which of the following statements about resin - bonded bridges is true ?
