Quiz about Medical Imaging

Question 1

Small, focused doses of high energy radiation passes through the subject, casting a "shadow" on the machine's sensors

Accepted Answer

X-Ray

Answer

MRI

Answer

CT

Answer

PET

Answer

Ultrasonography

Question 2

Uses a very strong magnetic field

Accepted Answer

MRI

Answer

X-Ray

Answer

CT

Answer

PET

Answer

Ultrasonography

Question 3

Great detail on soft tissues like the brain, tendons and ligaments.

Accepted Answer

MRI

Answer

X-Ray

Answer

CT

Answer

PET

Answer

Ultrasonography

Question 4

A sectional X-ray. Okay for soft tissues. Great for dense tissues.

Accepted Answer

CT

Answer

MRI

Answer

X-Ray

Answer

PET

Answer

Ultrasonography

Question 5

A noninvasive technique using x-rays and a computer to visualize transverse planes of body tissue are ______________.

Accepted Answer

CT scans

Answer

mammograms

Answer

X-rays

Answer

Angiography

Question 6

Which of the following scans does not use radiation?

Accepted Answer

MRI

Answer

CT scan

Answer

PET scan

Answer

X-ray

Question 7

Non-screen film would most likely be used to take which type of radiography?

Accepted Answer

Dental

Answer

Thoracic

Answer

Skull

Answer

OFA Hip

Question 8

MRI technology primarily uses which of the following to generate images?

Accepted Answer

Magnetic fields and radio waves

Answer

X-rays

Answer

High-frequency sound waves

Answer

Gamma rays

Question 9

What is NOT a component of a cassette in film radiography?

Accepted Answer

Lead front

Answer

Protection from light

Answer

Padding to maintain film-screen contact

Answer

Secure latches

Question 10

The term that means using an image intensifier to create a brighter image by taking a few x-ray photons and converting that energy into many light photons is the

Accepted Answer

minification gain

Answer

brightness gain

Answer

flux gain

Question 11

The radiographic misrepresentation of either the size (magnification) or the shape of the anatomic part is called

Accepted Answer

distortion

Answer

density

Answer

contrast

Answer

sharpness

Question 12

In film radiography, calcium tungstate screens:

Accepted Answer

Fluoresce in the blue spectrum

Answer

Fluoresce in the green spectrum

Answer

Require a blue safelight in the darkroom

Answer

Are more efficient than rare earth screens

Question 13

Which of the following statements is TRUE about x-ray film cassettes?

Accepted Answer

It must be sturdy and have a strong, reliable closure

Answer

It can be made of any plastic as long as it is bendable

Answer

The film can be held loosely within the cassette as long as it is light-tight

Answer

It is designed to absorb scatter radiation

Question 14

Which of the following processing factors may cause a developed film radiograph to be too dark?

Accepted Answer

Over-concentrated developer solution

Answer

Diluted fixer solution

Answer

Low developer temperature

Answer

Contaminated developer solution

Question 15

What is the primary type of energy used in X-ray imaging?

Accepted Answer

Ionizing radiation

Answer

Sound waves

Answer

Magnetic fields

Answer

Radiofrequency waves

Question 16

What is the purpose of the intensifying screen in film radiography?

Accepted Answer

Convert primary x-ray photons to light photons

Answer

Enhance film density

Answer

Convert primary x-ray photons to scatter radiation

Answer

Increase the amount of radiation needed to make a diagnostic radiograph

Question 17

Whenever magnification is increased:

Accepted Answer

spatial resolution is decreased

Answer

spatial resolution is increased

Answer

spatial resolution stays the same

Answer

exposure to the image receptor increases

Question 18

high frequency vibrations are focused on the subject. The vibrations are reflected back to the sensor.

Accepted Answer

Ultrasonography

Answer

MRI

Answer

CT

Answer

PET

Answer

X-Ray

Question 19

Which of the following is produced using MRI

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Answer

E.

Question 20

Which of the following is produced using ultrasonography?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Answer

E.

Question 21

Produces grainy images of soft tissues. Used exclusively on abdominal structures because it cannot pass through bone.

Accepted Answer

Ultrasonography

Answer

MRI

Answer

X-Ray

Answer

CT

Answer

PET

Question 22

Requires the subject to drink radioactive sugars that get absorbed into tissues which give off radiation to the sensors.

Accepted Answer

PET

Answer

MRI

Answer

X-Ray

Answer

CT

Answer

Ultrasonography

Question 23

Highlights tumors that are ACTIVELY growing.

Accepted Answer

PET

Answer

MRI

Answer

X-Ray

Answer

CT

Answer

Ultrasonography

Question 24

Medical Imaging

Accepted Answer

CT

Answer

MRI

Answer

X-Ray

Answer

PET

Question 25

Medical Imaging

Accepted Answer

Ultrasonography

Answer

MRI

Answer

X-Ray

Answer

CT

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