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Latest NCL Technician Exam Question (Objective Questions), MCQ in English

Subjects : Radiographer, General Knowledge General Awareness Reasoning, Verbal & Mental Ability Quantitative Aptitude

Question Bank NCL Technician Radiographer Exam - English
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Radiographer

Question 1Single Answer
What is the primary responsibility of a radiographer?
  1. A
    Taking X-rays of patients
  2. B
    Analyzing X-ray results
  3. C
    Administering anesthesia to patients
  4. D
    Diagnosing medical conditions
Question 2Single Answer
Which of the following is NOT a type of medical imaging used by radiographers?
  1. A
    X-ray
  2. B
    MRI
  3. C
    Electrocardiography (ECG)
  4. D
    Ultrasound
Question 3Single Answer
What is the purpose of the darkroom in radiography?
  1. A
    To develop X-ray films
  2. B
    To store X-ray machines
  3. C
    To clean radiographic equipment
  4. D
    To store patients' medical records
Question 4Single Answer
Which of the following is the best practice when working with ionizing radiation?
  1. A
    Minimize exposure time
  2. B
    Maximize exposure time
  3. C
    Remove all protective gear
  4. D
    Stand as close as possible to the source of radiation
Question 5Single Answer
Which type of radiation is commonly used in diagnostic radiography?
  1. A
    Alpha radiation
  2. B
    Beta radiation
  3. C
    X-rays
  4. D
    Gamma rays
Question 6Single Answer
What is the purpose of a lead apron during X-ray procedures?
  1. A
    To protect the patient from radiation
  2. B
    To assist in patient positioning
  3. C
    To sterilize the equipment
  4. D
    To ensure accurate imaging
Question 7Single Answer
Which of the following components of an X-ray machine produces the X-rays?
  1. A
    Cathode
  2. B
    Anode
  3. C
    Transformer
  4. D
    Collimator
Question 8Single Answer
What is the main difference between radiography and fluoroscopy?
  1. A
    Radiography produces static images, while fluoroscopy provides real-time imaging
  2. B
    Radiography requires no contrast agents, while fluoroscopy does
  3. C
    Fluoroscopy is only used for bone imaging
  4. D
    Radiography uses sound waves, while fluoroscopy uses light
Question 9Single Answer
What is the purpose of a contrast medium in radiography?
  1. A
    To reduce radiation exposure
  2. B
    To enhance the visibility of certain areas in the body
  3. C
    To sterilize the equipment
  4. D
    To make the X-ray process faster
Question 10Single Answer
What is the most common contrast medium used in X-ray imaging?
  1. A
    Barium sulfate
  2. B
    Iodine
  3. C
    Gadolinium
  4. D
    Carbon dioxide
Question 11Single Answer
Which of the following is the primary function of a darkroom assistant?
  1. A
    Administering contrast agents
  2. B
    Developing X-ray films
  3. C
    Operating the X-ray machine
  4. D
    Providing patient care during imaging
Question 12Single Answer
In radiography, what does "collimation" refer to?
  1. A
    The process of selecting the correct radiation dose
  2. B
    The process of limiting the size of the X-ray beam
  3. C
    The technique for positioning patients
  4. D
    The use of contrast agents in imaging
Question 13Single Answer
Which of the following safety measures is important for a radiographer when performing an X-ray procedure?
  1. A
    Wearing a lead apron
  2. B
    Standing directly in front of the patient
  3. C
    Not using any shielding
  4. D
    Avoiding the use of film
Question 14Single Answer
What is the key role of the radiographer when interacting with patients?
  1. A
    To ensure proper imaging technique and patient positioning
  2. B
    To interpret the X-ray images
  3. C
    To prescribe treatment plans
  4. D
    To diagnose medical conditions
Question 15Single Answer
What is the function of the radiographic grid?
  1. A
    To protect the patient from radiation
  2. B
    To absorb scattered radiation and improve image quality
  3. C
    To store the developed images
  4. D
    To position the patient correctly
Question 16Single Answer
Which of the following is used to reduce radiation exposure to the patient during imaging?
  1. A
    Increasing exposure time
  2. B
    Decreasing the X-ray tube voltage
  3. C
    Using a higher radiation dose
  4. D
    Using proper shielding and limiting exposure time
Question 17Single Answer
In radiography, what does the term "kVp" refer to?
  1. A
    The type of contrast used in the procedure
  2. B
    The kilovolt peak setting of the X-ray machine
  3. C
    The type of radiation being used
  4. D
    The speed of the X-ray film
Question 18Single Answer
What is the name of the device used to protect radiographers from radiation exposure?
  1. A
    X-ray shield
  2. B
    Lead apron
  3. C
    Radiation detector
  4. D
    X-ray tube
Question 19Single Answer
What does "ALARA" stand for in the context of radiation safety?
  1. A
    As Low As Reasonably Achievable
  2. B
    Average Lead Amount Radiation Adjusted
  3. C
    Average Level of Radiation Analysis
  4. D
    Always Lower Additional Radiographic Assessment
Question 20Single Answer
What is the primary purpose of digital radiography?
  1. A
    To reduce the need for film development
  2. B
    To provide real-time imaging
  3. C
    To create 3D images
  4. D
    To increase radiation exposure
Question 21Single Answer
Which of the following is the most common type of digital imaging used in radiography?
  1. A
    Computed tomography (CT)
  2. B
    Magnetic resonance imaging (MRI)
  3. C
    Digital X-ray (DR)
  4. D
    Positron emission tomography (PET)
Question 22Single Answer
What is the primary difference between film-based and digital radiography?
  1. A
    Film-based radiography uses X-rays, while digital radiography uses light
  2. B
    Digital radiography has better image resolution
  3. C
    Film-based radiography is more cost-effective
  4. D
    Digital radiography allows for immediate image viewing
Question 23Single Answer
What is the key responsibility of the Dark Room Assistant?
  1. A
    To administer medications to patients
  2. B
    To prepare and develop radiographic films in a darkroom
  3. C
    To diagnose diseases based on X-ray images
  4. D
    To interpret and store patient data
Question 24Single Answer
Which of the following equipment is used by radiographers to check the quality of the X-ray film?
  1. A
    Radiation badge
  2. B
    X-ray tube
  3. C
    Densitometer
  4. D
    Film processor
Question 25Single Answer
Which of the following is a safety measure radiographers should take when performing fluoroscopy?
  1. A
    Minimize exposure time and use shielding
  2. B
    Increase the X-ray dose for better image quality
  3. C
    Have the patient wear no protective clothing
  4. D
    Allow untrained personnel to operate the machine
Question 26Single Answer
Which of the following imaging techniques is used for soft tissue evaluation in radiography?
  1. A
    X-ray
  2. B
    MRI
  3. C
    CT Scan
  4. D
    Mammography
Question 27Single Answer
Which radiographic technique is commonly used to diagnose bone fractures?
  1. A
    MRI
  2. B
    Ultrasound
  3. C
    X-ray
  4. D
    PET scan
Question 28Single Answer
Which of the following is a component of the radiographic film processing system?
  1. A
    Developing tank
  2. B
    Fluoroscopy screen
  3. C
    CT scanner
  4. D
    MRI machine
Question 29Single Answer
Which of the following is NOT a common side effect of exposure to ionizing radiation?
  1. A
    Increased risk of cancer
  2. B
    Skin burns
  3. C
    Hair growth
  4. D
    Radiation sickness
Question 30Single Answer
What does the acronym "CT" stand for in medical imaging?
  1. A
    Contrast Technique
  2. B
    Computerized Tomography
  3. C
    Colorized Tracking
  4. D
    Cellular Therapy
Question 31Single Answer
Which of the following is an important consideration for radiographers when positioning a patient for an X-ray?
  1. A
    The patient's comfort is not a priority
  2. B
    Accurate alignment to avoid distortion of the image
  3. C
    The machine should be used at the highest radiation dose
  4. D
    Radiographers should not wear protective clothing
Question 32Single Answer
In digital radiography, what is the purpose of the image receptor?
  1. A
    To produce the X-rays
  2. B
    To convert X-ray photons into an image
  3. C
    To protect the patient from radiation
  4. D
    To store the patient’s data
Question 33Single Answer
Which of the following is a possible consequence of excessive radiation exposure?
  1. A
    Increased metabolism
  2. B
    Skin burns or tissue damage
  3. C
    Improved immune response
  4. D
    Faster healing of fractures
Question 34Single Answer
What is the main function of a fluoroscopy unit in radiography?
  1. A
    To take static X-ray images
  2. B
    To examine the internal structures in real-time
  3. C
    To measure radiation exposure
  4. D
    To sterilize X-ray equipment
Question 35Single Answer
What is the standard protective equipment worn by radiographers to limit radiation exposure?
  1. A
    Gloves and mask
  2. B
    Lead apron and gloves
  3. C
    Surgical gown
  4. D
    Radiation shield
Question 36Single Answer
In which of the following situations would a radiographer use a contrast agent?
  1. A
    To view soft tissues more clearly
  2. B
    To sterilize the X-ray equipment
  3. C
    To enhance the X-ray machine
  4. D
    To calibrate the X-ray unit
Question 37Single Answer
Which of the following factors affects the image quality in radiography?
  1. A
    X-ray exposure time
  2. B
    Patient positioning
  3. C
    Type of contrast used
  4. D
    All of the above
Question 38Single Answer
What is the most common method used to create digital X-ray images?
  1. A
    Computed radiography (CR)
  2. B
    Fluoroscopy
  3. C
    Magnetic resonance imaging (MRI)
  4. D
    Direct radiography (DR)
Question 39Single Answer
What is the name of the tool used to measure the amount of radiation exposure in the radiology department?
  1. A
    Radiology meter
  2. B
    Dosimeter
  3. C
    Radiation gauge
  4. D
    Exposure analyzer
Question 40Single Answer
Which of the following is essential for patient safety during X-ray imaging?
  1. A
    Proper shielding and appropriate exposure levels
  2. B
    High exposure time to ensure clear images
  3. C
    No protective gear for faster results
  4. D
    Use of untrained personnel for imaging
Question 41Single Answer
What does the term "radiographic contrast" refer to?
  1. A
    The brightness of an X-ray image
  2. B
    The difference in density between light and dark areas in the image
  3. C
    The level of radiation used during the procedure
  4. D
    The exposure time of the X-ray
Question 42Single Answer
Which imaging technique involves the use of strong magnetic fields and radio waves?
  1. A
    X-ray
  2. B
    CT Scan
  3. C
    MRI
  4. D
    Ultrasound
Question 43Single Answer
What is the standard unit of measurement for radiation dose?
  1. A
    Hertz
  2. B
    Gray
  3. C
    Tesla
  4. D
    Joules
Question 44Single Answer
Which of the following is a potential risk of excessive radiation exposure to radiographers?
  1. A
    Improved bone density
  2. B
    Increased risk of cancer
  3. C
    Enhanced healing abilities
  4. D
    Improved immune system function
Question 45Single Answer
Which technique is commonly used to examine the spine, joints, and bones?
  1. A
    MRI
  2. B
    X-ray
  3. C
    Ultrasound
  4. D
    PET scan
Question 46Single Answer
What type of radiation is most commonly used in diagnostic radiology?
  1. A
    Beta particles
  2. B
    Alpha particles
  3. C
    X-rays
  4. D
    Gamma rays
Question 47Single Answer
Which safety practice should be followed when handling radiographic films in the darkroom?
  1. A
    Expose the film to light for clarity
  2. B
    Use appropriate gloves and avoid light exposure
  3. C
    Allow the film to be exposed to direct sunlight
  4. D
    Use no protective gear
Question 48Single Answer
What is the most common imaging method used for detecting bone fractures?
  1. A
    CT scan
  2. B
    X-ray
  3. C
    MRI
  4. D
    Ultrasound
Question 49Single Answer
What does "mAs" refer to in radiography?
  1. A
    Milliamperes per second, affecting image density
  2. B
    Machine adjustment speed
  3. C
    Time taken to position the patient
  4. D
    Amount of contrast used
Question 50Single Answer
What is the purpose of the collimator in an X-ray machine?
  1. A
    To increase image resolution
  2. B
    To limit the size and shape of the X-ray beam
  3. C
    To clean the X-ray film
  4. D
    To store X-ray images
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