A periodic blood count is not recommended as a method for monitoring occupational radiation exposure because
1. biologic damage from ionizing radiation cannot be determined from a blood test.
2. biologic damage has already been sustained when an irregularity is seen in the blood count.
3. a traditional blood count is a relatively insensitive test that is unable to indicate exposures of less than 10 cGy.
a. 1 only
b. 2 only
c. 3 only
d. 2 and 3 only
d. 2 and 3 only
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What route of administration provides the most predictable availability of the drug?
A) skin B) intravenous C) respiratory tract D) intramuscular
For an AP knee projection, the central ray is directed to a point 
inch distal to the apex of the patella. What is the result if the central ray is directed to a point 
inch proximal to the apex of the patella?
A. The femorotibial joint will remain open B. The femorotibial joint will close C. Articular facets will appear on end, minimal surface area visualized D. Intercondylar eminence will be shifted lateally