wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Imaging Modalities Review Test-2

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Fluoroscopy utilizes what to visualize anatomic structures in real-time?

a)

High-frequency sound waves

b)

Live x-rays

c)

Strong magnetic fields

d)

Radioactive tracers

2.

Fluoroscopy is best utilized for static images, not for depicting motion or active physical properties.

a)

True

b)

False

3.

What is the common name for the mobile fluoroscopy machine, often positioned by an OT, used in orthopedics?

a)

C-Arm

b)

X-Ray Table

c)

MRI Scanner

d)

Ultrasound Machine

4.

Which of the following is a primary role of an Orthopaedic Technician (OT) during a fluoroscopy procedure?

a)

Activating the x-ray beam

b)

Injecting the contrast dye

c)

Holding a limb to assist with fracture reduction

d)

Interpreting the live images

5.

The x-ray beam in fluoroscopy is activated by the radiologist performing the procedure, not the OT.

a)

True

b)

False

6.

What does "CT" in CT Scan stand for?

a)

Coronal Tomography

b)

Contrast Tomography

c)

Computed Tomography

d)

Cranial Tomography

7.

A CT scan uses high-strength magnetic fields and radio waves to create its images.

a)

True

b)

False

8.

The cross-sectional images, or "slices," produced by a CT scan are called ______ images.

a)

tomographic

b)

radiographic

c)

sonographic

d)

photographic

9.

A CT scan is particularly useful for imaging which of the following, producing more detail than a conventional x-ray?

a)

Minor soft tissue strains

b)

Complex bone fractures

c)

Fetal development

d)

Blood flow velocity

10.

A CT scan is great for seeing complex, shattered, or hidden fractures that a regular X-ray might miss.

a)

True

b)

False

11.

To create a 3D image, a CT computer digitally ______ the successive slices together.

a)

"stacks"

b)

"blends"

c)

"excites"

d)

"resonates"

12.

What type of radiation, which has the potential to cause biological effects in living tissue, is used by CT scans?

a)

Ionizing

b)

Ultraviolet

c)

Microwave

d)

Sound

13.

When interpreting a CT scan, the examiner should picture him/herself standing at the patient's head looking toward their feet.

a)

True

b)

False

14.

An oral contrast agent, such as a ______-based compound, is used for imaging the digestive system in CT.

a)

Gadolinium

b)

Iodine

c)

Barium

d)

Saline

15.

An intravenous (IV) contrast agent used to illuminate blood vessels in a CT scan is typically based on what element?

a)

Iodine

b)

Calcium

c)

Iron

d)

Potassium

16.

What does "MRI" in MRI Scan stand for?

a)

Medical Radiography Imaging

b)

Magnetic Resonance Imaging

c)

Molecular Resonance Imaging

d)

Medical Resonance Imaging

17.

MRI is the imaging modality of choice when frequent imaging is required because it does not use ionizing radiation.

a)

True

b)

False

18.

MRI technology is based on exciting and detecting the rotational axis of what particles found in water?

a)

Protons

b)

Electrons

c)

Neutrons

d)

Photons

19.

MRI scanners are particularly well-suited to image hard, non-bony parts or soft tissues of the body.

a)

True

b)

False

20.

What is a common challenge for patients during an MRI scan, related to being inside the machine for long periods?

a)

Claustrophobia

b)

Nausea from contrast dye

c)

Hearing loss

d)

Increased appetite

21.

Which of the following is a critical contraindication, making it unsafe for a patient to enter the MRI room?

a)

A skin rash

b)

Claustrophobia

c)

A pacemaker

d)

A broken bone

22.

As an OT, you must ensure a patient is completely clear of all loose metal, like keys, coins, and phones, before they enter the MRI room.

a)

True

b)

False

23.

The intravenous contrast agent used for MRI to increase the speed at which protons realign often contains the element _______.

a)

Gadolinium

b)

Iodine

c)

Barium

d)

Iron

24.

Which MRI weighting is considered "Good for Anatomy" where fat is bright and fluid is dark?

a)

T1-Weighted

b)

T2-Weighted

c)

Proton-Density

d)

FLAIR

25.

Which MRI weighting is considered "Good for Pathology" where fluid and swelling appear bright?

a)

T1-Weighted

b)

T2-Weighted

c)

Coronal

d)

Sagittal

26.

On a T1-weighted image, fluid (like CSF or swelling) appears bright white.

a)

True

b)

False

27.

On a T2-weighted image, doctors look for injuries and inflammation, which typically appear bright.

a)

True

b)

False

28.

What type of energy does a medical ultrasound use to create images?

a)

Ionizing radiation

b)

Magnetic fields

c)

High-frequency sound waves

d)

Gamma rays

29.

Diagnostic ultrasound is generally regarded as safe specifically because it does not produce ionizing radiation.

a)

True

b)

False

30.

The ultrasound probe that produces and receives sound waves is called a _______.

a)

transducer

b)

oscilloscope

c)

amplifier

d)

detector

31.

Ultrasound is the best imaging modality for clearly visualizing bones or air-filled tissues like the lungs in adults.

a)

True

b)

False

32.

In orthopedics, ultrasound is excellent for all of the following except:

a)

Viewing rotator cuff tears

b)

Guiding injections into a joint

c)

Checking for fluid (effusion) in a joint

d)

Visualizing complex, shattered bone fractures

33.

What term describes the "bouncing back" of sound waves off tissues, which the ultrasound machine captures to create a picture?

a)

Echo

b)

Absorption

c)

Diffusion

d)

Transmission

34.

What type of functional ultrasound is used to measure and visualize blood flow, velocity, and direction?

a)

Anatomic ultrasound

b)

Therapeutic ultrasound

c)

Doppler ultrasound

d)

SPECT ultrasound

35.

The sound wave frequencies used in diagnostic ultrasound are above the threshold of human hearing.

a)

True

b)

False

36.

The two main categories of medical ultrasound are diagnostic and _______.

a)

therapeutic

b)

surgical

c)

preventive

d)

nutritional

37.

In orthopedics, ultrasound is excellent for viewing soft tissues like ligaments and _______.

a)

tendons

b)

bones

c)

cartilage

d)

nerves

38.

Nuclear radiology is different from other modalities because it primarily shows the _____ in the tissue, not just the structure or anatomy.

a)

density

b)

water content

c)

activity

d)

echogenicity

39.

A bone scan uses a tiny, safe amount of a radioactive tracer to identify areas where the body is quickly trying to repair bone.

a)

True

b)

False

40.

The radioactive tracers used in nuclear medicine scans are also called _____

a)

radiopharmaceuticals

b)

antibiotics

c)

antivirals

d)

analgesics

e)

antifungals

41.

What type of nuclear scan uses gamma cameras mounted on a rotating gantry to create cross-sectional images?

a)

PET

b)

SPECT

c)

MRI

d)

Arthrography

42.

Orthopedists may order a skeletal scan (bone scan) to find stress fractures that are not clearly visible on conventional x-rays.

a)

True

b)

False

43.

A PET scan, which is used to detect cancer and its spread, typically uses a radiolabeled form of what substance?

a)

Iodine

b)

Gadolinium

c)

Barium

d)

Glucose

44.

Cancer cells show greatly decreased utilization of glucose, which is why they appear dark on a PET scan.

a)

True

b)

False

45.

An arthrogram is an image of the inside of what structure?

a)

A blood vessel

b)

A joint

c)

The spinal cord

d)

The brain

46.

An arthrogram is performed by injecting contrast medium directly into the joint cavity.

a)

True

b)

False

47.

(One Word) Name one imaging modality that can be used to guide the needle into the correct position during an arthrogram.

a)

Fluoroscopy (OR CT OR Ultrasound)

b)

X-ray without contrast

c)

PET scan

d)

Mammography

48.

Draining fluid from the joint, or ______, is typically performed before the arthrogram if an infection is suspected.

a)

aspiration

b)

injection

c)

reduction

d)

irrigation

49.

A suspected infection in or overlying the joint is a contraindication to performing an arthrogram.

a)

True

b)

False

50.

What is a crucial role for the OT after an arthrogram procedure?

a)

Reading the final images for the doctor

b)

Assisting with post-procedure immobilization (splint, cast, or brace)

c)

Driving the patient home

d)

Administering the local anesthetic