Question 1

Movement of a part away from the midline of the body is termed:

  • [ ] A. Eversion

  • [ ] B. Inversion

  • [✓] C. Abduction (CORRECT)

  • [ ] D. Adduction

Question 2

Ulnar flexion (deviation) will best demonstrate which carpal bone(s)?

  • [ ] A. Medial carpals only

  • [ ] B. Lateral carpals only

  • [ ] C. Scaphoid only

  • [✓ ] D. Lateral carpals and scaphoid (CORRECT)

Question 3

Which of the following skull positions will demonstrate the cranial base, sphenoidal sinuses, atlas, and odontoid process?

  • [ ] A. AP axial

  • [ ] B. Lateral

  • [ ] C. Parietoacanthial

  • [✓] D. Submentovertical (SMV) (CORRECT)

Question 4

What is the established annual occupational dose-equivalent limit for radiation workers?

  • [ ] A. 250 mSv

  • [ ] B. 150 mSv

  • [✓] C. 50 mSv (CORRECT)

  • [ ] D. 10 mSv

Question 5

How does filtration affect the primary x-ray beam?

  • [✓] A. It increases the average energy of the primary beam. (CORRECT)

  • [ ] B. It decreases the average energy of the primary beam.

  • [ ] C. It makes the primary beam less penetrating.

  • [ ] D. It increases the intensity of the primary beam.

Question 6

Reduction in the intensity of an x-ray beam as it passes through a material is termed:

  • [ ] A. Absorption

  • [ ] B. Scattering

  • [✓] C. Attenuation (CORRECT)

  • [ ] D. Divergence

Question 7

Which coils are located closest to the patient in an MR scanner?

  • [ ] A. Gradient coils

  • [✓] B. RF-receiver coils (CORRECT)

  • [ ] C. Shim coils

  • [ ] D. Body RF-transmit coils

Question 8

The principal advantage of Computed Tomography (CT) over projection radiography is:

  • [ ] A. Speed of image acquisition

  • [ ] B. Energy resolution

  • [✓] C. Contrast resolution (CORRECT)

  • [ ] D. Spatial resolution

Question 9

Which of the following is NOT located inside the CT x-ray tube assembly housing?

  • [ ] A. Filament

  • [ ] B. Rotating anode

  • [✓] C. Collimator (CORRECT)

  • [ ] D. Tungsten target

Question 10

The AP axial (Lordotic) projection of the chest is primarily used to demonstrate:

  • [ ] A. Lumbar lordosis

  • [ ] B. Paranasal sinuses

  • [✓] C. Lung apices (CORRECT)

  • [ ] D. Lung bases

Question 11

The SI unit for radiation dose equivalent is the:

  • [ ] A. Roentgen

  • [ ] B. Gray

  • [ ] C. Rad

  • [✓] D. Sievert (CORRECT)

Question 12

In order to lower the viscosity of iodinated contrast agents before intravenous injection, it should be heated to:

  • [ ] A. Room temperature

  • [ ] B. 5°C above room temperature

  • [✓] C. Body temperature (CORRECT)

  • [ ] D. Preheating contrast agents is contraindicated

Question 13

Personal dosimeters include all of the following EXCEPT:

  • [✓] A. Geiger-Müller counter (CORRECT)

  • [ ] B. Film badges

  • [ ] C. TLD badges

  • [ ] D. Pocket badges

Question 14

Which of the following abdominal organs is located primarily in the Left Upper Quadrant (LUQ)?

  • [✓] A. Spleen (CORRECT)

  • [ ] B. Spleen and Gallbladder

  • [ ] C. Gallbladder and Hepatic flexure

  • [ ] D. Spleen, Gallbladder and Hepatic flexure

Question 15

When a specific quantity of ionizing radiation is delivered to a body over a long period of time (protraction), the biological effect:

  • [ ] A. Will be greater than if it were delivered all at one time

  • [✓] B. Will be less than if it were delivered all at one time (CORRECT)

  • [ ] C. Has no relation to how it is delivered in time

  • [ ] D. Depends solely on the radiation quality

Last modified: Sunday, 18 October 2026, 6:47 AM