Alternative imaging CRI, CT, Nuclear medicine, Ultrasound

Question 1

Which of the following is real time moving images?

Answer 1

Fluoroscopy

Question 2

Modern CT units are made up of a matrix of voxels that allow a 3D image

Answer 2

True

Question 3

What is the unit of measurement in CT scans?

Answer 3

Hounsfield

Question 4

What does MRI use to produce an image?

Answer 4

Magnets

Question 5

What is the unit that describes magnets field strength

Answer 5

Tesla

Question 6

This is the contrast media used to check kidney function in MRI

Answer 6

Gladolinium

Question 7

Technetium-99m used most commonly

Answer 7

Bone scans in horses

Question 8

What do we use to measure the amount of radiation emitted from patients during treatments

Answer 8

Geiger counter

Question 9

This modality uses images biochemistry and function instead of anatomy and structure

Answer 9

PET scans

Question 10

What is the term for the point of interest in a CT scan

Answer 10

Fulcrum

Question 11

Pitch = ratio between table movement in mm and the CT slice thickness

Answer 11

True

Question 12

Atom with rearrangement of nucleus is nuclide, so atoms with nuclei that undergo radioactive decay are

Answer 12

Radionuclides

Question 13

Gamma camera detects radiation emitted form patient

Answer 13

True

Question 14

A CT scan gives you a 3 dimensional view

Answer 14

True

Question 15

This modality gives us the best picture of brains and spinal cords

Answer 15

MRI

Question 16

You cannot burn a patient with a fluoroscopy machine

Answer 16

False

Question 17

Angiography with fluoroscopy is used to evaluate kidney function

Answer 17

True

Question 18

A CT scan with a small matrix has a clearer image

Answer 18

True

Question 19

Sensors detect energy released as protons realign with magnetic field when we are preforming an MRI

Answer 19

True

Question 20

I131 is used to treat which condition

Answer 20

Hyperthyroidism

Question 21

An area that emits high resolution on a scan is known as a

Answer 21

Hot spot

Question 22

Radionuclides are carried to areas with the most

Answer 22

Blood supply

Question 23

How long should patient excretions be kept in a lead box after they have received treatments with nuclear medicine

Answer 23

48 hours

Question 24

Patients must be kept for at least 24 hours post treatment with nuclear medicine

Answer 24

True

Question 25

PET scans are used to detect cancer, heart problems, and brain problems

Answer 25

True

Question 26

General anesthesia is needed for PET scans

Answer 26

True

Question 27

M mode controls

Answer 27

Motion

Question 28

There are _____ shades of grey in ultrasound

Answer 28

256

Question 29

_______ transducers are the type the doctor usually switch to for a high-resolution inspection, after doing a general scan first

Answer 29

Linear

Question 30

If something shows up hypoechoic on an ultrasound, this means that _____ echos were sent back to the transducer when compared to adjacent structures

Answer 30

less

Question 31

___________ structures will turn up black on an ultrasound

Answer 31

anechoic

Question 32

______ structures will appear the same shade of grey as surrounding tissues

Answer 32

Isoechoic

Question 33

Piezoelectric crystals cause the ______ that travels through tissue and creates ______

Answer 33

Soundwave, sound waves