Heparin is not measured in milligrams but in:
A. international units
B. micrograms
C. grains
D. cubic centimeters
a
Rationale: Heparin is measured in international units, not in milligrams. The dose must be determined on an individual ba-sis.
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For PA axial oblique cervical projection,
1. the midcoronal plane is aligned at a 45-degree angle with the IR. 2. the central ray is angled 15 degrees caudally. 3. the head's midsagittal plane is aligned perpendicular to the IR. 4. an increased caudal angle is needed to demonstrate the lower vertebrae on a severely kyphotic patient. a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 4 only
Most dentists prefer to be interrupted while chairside to attend to business that may arise during the day
a. True b. False Indicate whether the statement is true or false