Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
1. The venous phase of a cerebral blood flow study is signaled by:
a. visualization of the jugular veins b. appearance of the radiopharmaceutical in the superior saggital sinus c. disappearance of radiopharmaceutical from the carotid arteries d. appearance of radiopharmaceutical in the middle cerebral arteries |
b
|
|
|
4. The function of cerbrospinal fluid is to:
a. protect the brain and spinal cord against shock b. filter plasma c. produce neurotransmitters d. all of the above |
a
|
|
|
6. Exametazime is also known as:
a. DTPA b. MAG3 c. HMPAO d. EDC |
c
|
|
|
9. The dose which would commonly be used for radionuclide angiogram with 99m Tc DTPA is:
a. 5 mCi b. 10 mCi c. 20 mCi d. 25 mCi |
b
|
|
|
11. Which dose could be used for 99m Tc EDC of 99mTc HMPAO for SPECT brain imaging?
a. 2-5 mCi b. 5-7 mCi c. 7-10 mCi d. 20 mCi |
d
|
|
|
13. Ictal SPECT and PET studies require an injection of radiophamaceutical:
a. during a seizure b. immediately after a seizure c. between seizures d. both a and b |
a
|
|
|
16. Planar images of the brain using 99mTc DTPA are obtained:
a. 15 minutes after injection b. 30 minutes after injection c. 1 hour after injection d. 1.5 hours after injection |
c
|
|
|
21. The injection for a CSF shunt patency study is:
a. intravenous b. subcutaneous c. intrathecal d. into the shunt reservoir or tubing |
d
|
|
|
29. What is the usual dose for a radionuclide cisternogram in adults?
a. 5 mCi of 111 In DTPA b. 100 uCi of 111 In DTPA c. 500 uCi of 111 In DTPA d. 2.5 mCi of 111 In DTPA |
c
|
|
|
30. What is the purpose of pledget placement in suspected CSF leak?
a. to make the patient more comfortable during subarachnoid puncture b. to alter the biodistribution of the radiotracer c. to test them for contamination suggesting the presence of leaking CSF in the nose or ears d. to avoid contamination of the scintillation detection system |
c
|
|
|
32. 99mTc labeled lipophilic radiopharmaceuticals are preferable to radioiodinated amines because:
a. they are more rapidly extracted from the bloodstream b. they deliver a lower radiation dose to the patient c. administered activity is higher, providing superior images d. all of the above e. b and c only |
e
|
