NM112 Exam #2 review

Question 1

How often must survey meters be calibrated?Annually

Accepted Answer

Annually

Question 2

Intermittent GI bleeds are best visualized with what radiopharmaceutical?

Accepted Answer

Tc99m - Tagged RBCs

Question 3

What is the connecting tissue in between the lobes of the thyroid?

Accepted Answer

isthmus

Question 4

All of the following are approved radiopharmaceuticals for treatment of bone pain except

Accepted Answer

In123

Question 5

What is the primary symptom of a child with Meckel's diverticulum?

Accepted Answer

rectal bleeding

Question 6

Tc99m - Arcitumomab is used for imaging what type of cancer?

Accepted Answer

Colorectal

Question 7

Where are the kidneys located?

Accepted Answer

Between T12 - L3

Question 8

What is the most common clinical indication for a VQ scan?

Accepted Answer

Pulmonary embolism

Question 9

If you see the bladder, kidneys, and ureters on a bone scan, what should you do?

Accepted Answer

Nothing, this is normal

Question 10

What are the two different types of bone tissue?

Accepted Answer

Compact and Spongy

Question 11

What type of device is used if you are trying to detect the presence of radiation on an object?

Accepted Answer

GM

Question 12

At what time intervals are thyroid uptake percentages obtained?

Accepted Answer

4 hours and 24 hours

Question 13

When performing a gastroesophageal reflux study, what percentage of activity represents reflux?

Accepted Answer

4% or higher

Question 14

Besides Ga-67 and In-111, what radiopharmaceutical can be used for infection imaging?

Accepted Answer

Tc99m exametazime

Question 15

What pharmaceutical is commonly used during renal studies to increase urine output?

Accepted Answer

Lasix

Question 16

What are the three standardized views for myocardial perfusion imaging?

Accepted Answer

Short axis, vertical long axis, and horizontal long axis

Question 17

Pediatric hospitals are likely to use _____ collimators.

Accepted Answer

converging

Question 18

What is the most common scintillation material used in gamma cameras?

Accepted Answer

Thallium activated sodium iodide

Question 19

Radionuclide cisternography is used primarily to diagnose _______.

Accepted Answer

hydrocephalus

Question 20

What is the brand name for Tc99m - ECD?

Accepted Answer

Neurolite

Question 21

When imaging for CSF dynamics, how is the radiopharmaceutical administered?

Accepted Answer

Intrathecal

Question 22

When evaluating a CSF fluid shunt, how is the RPH injected?

Accepted Answer

Into the shunt reservoir

Question 23

What is the half-life of Xenon-133?

Accepted Answer

5.2 days

Question 24

What is the only approved radiopharmaceutical for imaging CSF dynamics?

Accepted Answer

In-111

Question 25

What two materials are used for collimators?

Accepted Answer

Lead and Tungsten

Question 26

What is a standard meal for a gastric emptying study?

Accepted Answer

2 eggs, a piece of toast, strawberry jam, and a glass of water

Question 27

What portion of the gamma camera converts scintillation photons into an electrical signal?

Accepted Answer

Photomultiplier tube

Question 28

If a three-phase bone scan is ordered, the first two phases are to look at the vascularity of the region of interest.

Accepted Answer

True

Question 29

In-111 Pentetreotide is used to visualize?

Accepted Answer

Neuroendocrine tumors

Question 30

What is the radiopharmaceutical of choice for bone scans?

Accepted Answer

Tc99m MDP

Question 31

When imaging the parathyroid gland, at what time interval do the delayed images take place?

Accepted Answer

90 - 120 minutes after injection

Question 32

What type of gas is contained within a dose calibrator?

Accepted Answer

Argon

Question 33

When imaging with Ga-67, how long must you wait before starting to image?

Accepted Answer

6 hours

Question 34

What type of image acquistion is used for myocardial perfusion studies?

Accepted Answer

SPECT

Question 35

When imaging neuroendocrine tumors, what is the target analog?

Accepted Answer

Somatostatin

Question 36

How should the patient be positioned for myocardial perfusion imaging?

Accepted Answer

Supine with the left arm elevated

Question 37

Which portion of the gamma camera contains a lower and upper-level discriminator?

Accepted Answer

Pulse height analyzer

Question 38

If urine moves retrograde from the bladder into the ureter, what is this process called?

Accepted Answer

vesicouretral reflux

Question 39

Image Quality Definition - determines whether two objects have different activity concentrations

Accepted Answer

contrast

Question 40

Where are pheochromocytomas normally located?

Accepted Answer

Adrenal glands

Question 41

What is the diameter of an MAA particle?

Accepted Answer

10 - 90 micrometers

Question 42

How many particles are in a typical VQ MAA dose?

Accepted Answer

200,000 - 700,000 particles

Question 43

What is the radiopharmaceutical used for parathyroid imaging?

Accepted Answer

Tc99m- Sestamibi

Question 44

In111 - Capromab Pendetide is used for what?

Accepted Answer

Prostate cancer

Question 45

What are the two radiopharmaceuticals of choice for functional renal imaging?

Accepted Answer

Tc99 MAG3 and Tc99 DTPA

Question 46

What is the half-life of indium-111?

Accepted Answer

67.4 hours

Question 47

What are the two primary radiopharmaceuticals for myocardial perfusion imaging?

Accepted Answer

Tc99m Sestamibi and Tc99m Tetrofosmin, Tc99m Sestamibi and Tc99m Tetrofosmin

Question 48

What is the purpose of performing a myocardial perfusion test?

Accepted Answer

detect ischemia of the myocardium

Question 49

When imaging the thyroid gland, what type of collimator should be used?

Accepted Answer

pinhole

Question 50

What is the downfall of Ga-67 citrate in regards to image quality?

Accepted Answer

Bowel uptake

Question 51

MIBG acts as an analog to what?

Accepted Answer

norepinephrine

Question 52

When performing the perfusion portion of a VQ study, what should you do if the patient only has one lung?

Accepted Answer

Reduce the number of particles by half

Question 53

What is the radiopharmaceutical used to treat thyroid cancer?

Accepted Answer

I-131

Question 54

What is the therapy agent used to treat malignant effusions in the abdomen?

Accepted Answer

P-32 chromic phosphate

Question 55

If you do not see the gallbladder on a HIDA scan, what is the likely diagnosis?

Accepted Answer

acute cholecystitis

Question 56

What is the radiopharmaceutical used to treat pheochromocytomas?

Accepted Answer

I-123 MIBG

Question 57

At what time interval should the patient return for the osseous portion of a bone scan?

Accepted Answer

2 - 4 hours after injection

Question 58

Non-hodgkins lymphoma can be treated using?

Accepted Answer

Y-90 ibritumomab tiuxetan (Zevalin)

Question 59

What is the most common clinical indication for an infection imaging study?

Accepted Answer

Fever of unknown origin (FUO)

Question 60

Which kidney sits higher in the abdomen and why?

Accepted Answer

Left kidney is higher, right kidney is lower because of the liver

NM112 Exam #2 review

Questions 60

NM112 Exam #2 review

Questions 60