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Latest AIIMS CRE Perfusionist Exam Question (Objective Questions), MCQ in English

Subjects : Concerned Subject (Perfusion Technology), General Knowledge, Quantitative Aptitude, Computer Knowledge

Question Bank AIIMS CRE Perfusionist Exam - English
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Concerned Subject (Perfusion Technology)

Question 1Single Answer
The primary pacemaker of the heart is?
  1. A
    AV node
  2. B
    Purkinje fibers
  3. C
    Bundle of His
  4. D
    SA node
Question 2Single Answer
The volume of blood ejected by the left ventricle in one contraction is called?
  1. A
    Stroke Volume
  2. B
    Cardiac Output
  3. C
    Ejection Fraction
  4. D
    End Diastolic Volume
Question 3Single Answer
The coronary artery that supplies the anterior wall of the left ventricle is?
  1. A
    Right Coronary Artery
  2. B
    Left Circumflex Artery
  3. C
    Posterior Descending Artery
  4. D
    Left Anterior Descending Artery
Question 4Single Answer
The primary muscle responsible for inspiration is?
  1. A
    Diaphragm
  2. B
    Intercostal muscles
  3. C
    Abdominal muscles
  4. D
    Sternocleidomastoid
Question 5Single Answer
The heart sound "S1" is produced by?
  1. A
    Closure of AV valves
  2. B
    Closure of semilunar valves
  3. C
    Opening of AV valves
  4. D
    Opening of semilunar valves
Question 6Single Answer
The cardiac output is calculated as?
  1. A
    Stroke Volume ÷ Heart Rate
  2. B
    Stroke Volume × Heart Rate
  3. C
    Heart Rate ÷ Stroke Volume
  4. D
    End Diastolic Volume × Heart Rate
Question 7Single Answer
Which part of the nephron is primarily responsible for water reabsorption?
  1. A
    Proximal tubule
  2. B
    Distal tubule
  3. C
    Loop of Henle
  4. D
    Collecting duct
Question 8Single Answer
The pulmonary circulation begins at which chamber of the heart?
  1. A
    Left atrium
  2. B
    Right ventricle
  3. C
    Right atrium
  4. D
    Left ventricle
Question 9Single Answer
The normal resting heart rate in adults is?
  1. A
    40–60 bpm
  2. B
    120–140 bpm
  3. C
    100–120 bpm
  4. D
    60–100 bpm
Question 10Single Answer
The Frank-Starling law of the heart states that?
  1. A
    Stroke volume is independent of preload
  2. B
    Contractility decreases with increased preload
  3. C
    Heart rate decreases with increased preload
  4. D
    Stroke volume increases with increased preload
Question 11Single Answer
The blood-brain barrier is formed primarily by?
  1. A
    Astrocytes
  2. B
    Endothelial tight junctions
  3. C
    Microglia
  4. D
    Ependymal cells
Question 12Single Answer
The layer of the heart that forms the inner lining is?
  1. A
    Epicardium
  2. B
    Endocardium
  3. C
    Myocardium
  4. D
    Pericardium
Question 13Single Answer
The left ventricle ejects blood into which artery?
  1. A
    Pulmonary artery
  2. B
    Coronary artery
  3. C
    Aorta
  4. D
    Superior vena cava
Question 14Single Answer
The total lung capacity is the sum of?
  1. A
    Tidal volume + Inspiratory reserve volume
  2. B
    Vital capacity + Residual volume
  3. C
    Expiratory reserve volume + Residual volume
  4. D
    Tidal volume + Residual volume
Question 15Single Answer
Baroreceptors that regulate blood pressure are located in?
  1. A
    Pulmonary veins
  2. B
    Coronary arteries
  3. C
    Carotid sinus and aortic arch
  4. D
    Superior vena cava
Question 16Single Answer
The major cation in extracellular fluid is?
  1. A
    Potassium
  2. B
    Calcium
  3. C
    Sodium
  4. D
    Magnesium
Question 17Single Answer
The primary function of the chordae tendineae is to?
  1. A
    Regulate heart rate
  2. B
    Pump blood
  3. C
    Conduct electrical impulses
  4. D
    Prevent valve prolapse
Question 18Single Answer
The respiratory center that controls the basic rhythm of breathing is located in?
  1. A
    Medulla oblongata
  2. B
    Cerebellum
  3. C
    Pons
  4. D
    Hypothalamus
Question 19Single Answer
The term 'afterload' refers to?
  1. A
    Preload of the ventricle
  2. B
    Cardiac output
  3. C
    Stroke volume
  4. D
    Resistance the ventricle must overcome to eject blood
Question 20Single Answer
The site of gas exchange in the lungs is?
  1. A
    Alveoli
  2. B
    Bronchioles
  3. C
    Bronchi
  4. D
    Trachea
Question 21Single Answer
The component of the ECG representing ventricular depolarization is?
  1. A
    P wave
  2. B
    U wave
  3. C
    T wave
  4. D
    QRS complex
Question 22Single Answer
The sympathetic stimulation of the heart results in?
  1. A
    Decreased heart rate
  2. B
    Decreased contractility
  3. C
    Increased heart rate
  4. D
    Vasodilation of coronary arteries only
Question 23Single Answer
The primary function of the loop of Henle is?
  1. A
    Filtration of blood
  2. B
    Reabsorption of glucose
  3. C
    Concentration of urine
  4. D
    Secretion of potassium
Question 24Single Answer
Which cranial nerve carries parasympathetic fibers to the heart?
  1. A
    Vagus nerve (CN X)
  2. B
    Glossopharyngeal nerve (CN IX)
  3. C
    Hypoglossal nerve (CN XII)
  4. D
    Facial nerve (CN VII)
Question 25Single Answer
The major vein that drains blood from the brain is?
  1. A
    Internal jugular vein
  2. B
    External jugular vein
  3. C
    Superior vena cava
  4. D
    Coronary sinus
Question 26Single Answer
The first heart sound (S1) corresponds to closure of which valves?
  1. A
    Aortic and pulmonary valves
  2. B
    Mitral and aortic valves
  3. C
    Mitral and tricuspid valves
  4. D
    Pulmonary and tricuspid valves
Question 27Single Answer
The chemical that binds oxygen in red blood cells is?
  1. A
    Myoglobin
  2. B
    Albumin
  3. C
    Carbonic anhydrase
  4. D
    Hemoglobin
Question 28Single Answer
The rate of respiration is primarily controlled by?
  1. A
    Baroreceptors
  2. B
    Mechanoreceptors
  3. C
    Chemoreceptors
  4. D
    Thermoreceptors
Question 29Single Answer
The major artery supplying the posterior wall of the heart is?
  1. A
    Right coronary artery
  2. B
    Left anterior descending artery
  3. C
    Circumflex artery
  4. D
    Pulmonary artery
Question 30Single Answer
The main site of potassium regulation in the kidney is?
  1. A
    Proximal tubule
  2. B
    Glomerulus
  3. C
    Loop of Henle
  4. D
    Distal tubule and collecting duct
Question 31Single Answer
The pressure in the ventricles during systole is highest in?
  1. A
    Right ventricle
  2. B
    Left ventricle
  3. C
    Both ventricles equally
  4. D
    Right atrium
Question 32Single Answer
The area of the heart muscle supplied by a single coronary artery is called?
  1. A
    Myocardial territory
  2. B
    Cardiac cycle
  3. C
    Cardiac axis
  4. D
    Coronary sinus
Question 33Single Answer
The tricuspid valve is located between?
  1. A
    Left atrium and left ventricle
  2. B
    Right atrium and right ventricle
  3. C
    Right ventricle and pulmonary artery
  4. D
    Left ventricle and aorta
Question 34Single Answer
The volume of blood remaining in the ventricle after systole is called?
  1. A
    End-diastolic volume
  2. B
    End-systolic volume
  3. C
    Stroke volume
  4. D
    Cardiac output
Question 35Single Answer
The Hering-Breuer reflex prevents?
  1. A
    Over-inflation of the lungs
  2. B
    Hypoventilation
  3. C
    Gas exchange
  4. D
    Bronchoconstriction
Question 36Single Answer
The portion of the nephron responsible for ultrafiltration is?
  1. A
    Loop of Henle
  2. B
    Bowman's capsule
  3. C
    Distal convoluted tubule
  4. D
    Collecting duct
Question 37Single Answer
The major neurotransmitter of the parasympathetic nervous system is?
  1. A
    Dopamine
  2. B
    Norepinephrine
  3. C
    Acetylcholine
  4. D
    Epinephrine
Question 38Single Answer
The normal pH of arterial blood is?
  1. A
    6.8–7.0
  2. B
    7.8–8.0
  3. C
    7.35–7.45
  4. D
    6.5–6.8
Question 39Single Answer
The cardiac conduction system structure located between atria and ventricles is?
  1. A
    SA node
  2. B
    Purkinje fibers
  3. C
    AV node
  4. D
    Bundle branches
Question 40Single Answer
The normal tidal volume in adults is approximately?
  1. A
    100–200 mL
  2. B
    600–700 mL
  3. C
    400–500 mL
  4. D
    800–900 mL
Question 41Single Answer
The great vessels arising from the right ventricle is?
  1. A
    Aorta
  2. B
    Inferior vena cava
  3. C
    Superior vena cava
  4. D
    Pulmonary artery
Question 42Single Answer
The main function of alveolar type II cells is?
  1. A
    Gas exchange
  2. B
    Ciliary movement
  3. C
    Production of surfactant
  4. D
    Immune defense
Question 43Single Answer
The sympathetic nervous system releases which neurotransmitter at the heart?
  1. A
    Acetylcholine
  2. B
    Dopamine
  3. C
    Norepinephrine
  4. D
    Serotonin
Question 44Single Answer
The total peripheral resistance primarily affects?
  1. A
    Heart rate
  2. B
    Cardiac output
  3. C
    Blood pressure
  4. D
    Stroke volume
Question 45Single Answer
The largest lymphatic vessel in the body is?
  1. A
    Thoracic duct
  2. B
    Right lymphatic duct
  3. C
    Cisterna chyli
  4. D
    Subclavian trunk
Question 46Single Answer
The "dicrotic notch" in arterial pressure curve represents?
  1. A
    Closure of aortic valve
  2. B
    Atrial contraction
  3. C
    Ventricular filling
  4. D
    Pulmonary valve opening
Question 47Single Answer
The pericardial cavity contains?
  1. A
    Blood
  2. B
    Serous fluid
  3. C
    Lymph
  4. D
    Air
Question 48Single Answer
The main receptor sensitive to hypoxia is?
  1. A
    Chemoreceptor
  2. B
    Baroreceptor
  3. C
    Mechanoreceptor
  4. D
    Thermoreceptor
Question 49Single Answer
The major determinant of myocardial oxygen consumption is?
  1. A
    Heart rate and wall tension
  2. B
    Blood pressure only
  3. C
    Stroke volume only
  4. D
    Cardiac output only
Question 50Single Answer
The phase of the cardiac cycle in which ventricles relax and fill with blood is?
  1. A
    Diastole
  2. B
    Systole
  3. C
    Ejection
  4. D
    Isovolumetric contraction
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