When given subcutaneously, how long until neutral protamine Hagedorn insulin begins to take effect (onset of action) after administration?
1. 15 to 30 minutes
2. 60 to 90 minutes
3. 3 to 4 hours
4. 6 to 8 hours
2
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The diagnostic test allowing direct observation of portions of the intestinal tract is the
A) colonoscopy. B) decubitus abdominal film. C) gastrointestinal endoscopy. D) barium contrast study.
A high school soccer player “blew out his knee” when the opposing goalie's head and shoulder struck his flexed knee while the goalie was diving for the ball. All of the following structures were involved in some way in his injury, but which of the following is actually an extra-articular structure?
A) Synovium B) Joint capsule C) Juxta-articular bone D) Tendons
A patient with a head injury has a pO2 of 88 and a pCO2 of 58. The nurse realizes that which physiologic process will occur in this patient?
1. Cerebral blood vessels will constrict. 2. Cerebral blood vessels will dilate. 3. Blood flow to the cerebral cortex will slow. 4. Blood will be shunted from the cerebral cortex.
What does U 100 on an insulin label mean exactly?
a. 100 units of total contents in the bottle b. 100 units per mL c. 100 units is the usual dose d. 100 units per hr is recommended