Nuclear Medicine Exam 2 Questions and
answers with 100% Complete solutions |
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Explain the different acquisition types used for bone imaging. -
✔✔dynamic-blood flow
static- 5-10 minute picture
whole body- all bones
SPECT- to see deeper within bone area
Describe the parts of a three phase bone scan and identify one bone pathology
which a three phase scan is indicated. - ✔✔immediate flow- right when injected
immediate planar- right after injection
2-3 hour delay- after previous images are taken
Describe the primary visual difference on a bone scan that indicates the image is
of a child. - ✔✔hot areas at epiphyseal plates in children
,-joints of knees/elbows
-but occurs in all joints, not just one
Define the following terms in relation to nuclear medicine imaging: hot, cold,
focal, metastatic. - ✔✔hot- more radiopharmaceutical uptake
cold- no radiopharmaceutical uptake
focal- one specific area opp of diffuse
metastatic- cancer spread to bone
Identify the following conditions on a bone scan film: metastatic disease, Paget's
disease, and osteomyelitis. - ✔✔metastatic- cancer spread to bone
Paget's- increased uptake in an entire bone
osteomyelitis- 3 phase scan, increased uptake at site in all 3 images, infection in
bone
, Identify the five GI studies covered in class and name the radio pharmaceutical
and method of dose administration for each study. - ✔✔-gastroesophageal
reflux-99mTc sulfer colloid (in liquid)
-gastric emptying-99mTc sulfer colloid (in food), 111-I DTPA (in liquid)
-GI bleed- 99mTc labeled red blood cells
-hemangioma- 99mTc labeled red blood cells
-hepatobiliary- 99mTc IDA derivative (mebrofenin or disofenin)
Identify the interventional agent utilized in a hepatobiliary study, and describe its
action. - ✔✔cholecystokinen (CCK)
-admin IV 0.02 mcg/kg
-forces gallbladder to contract if healthy
Given a patient's weight in pounds, calculate the dosage of interventional agent
for a hepatobiliary study. - ✔✔195 lbs. Calculate.
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