Select the number of drops per minute to be administered for a 1200-ml IV given over 5 hours using an administration set labeled 10 drops per ml.
a. 400 drops/min
b. 240 drops/min
c. 40 drops/min
d. 4 drops/min
Which of the following statements is true of cobalamin (vitamin B12)?
a. Cobalamin is primarily found is green vegetables and fruits.
b. Strict vegetarians are more likely to develop a deficiency of cobalamin.
c. The anemia resulting from cobalamin deficiency is a microcytic hypochromic anemia.
d. Cobalamin has recognized therapeutic value in the treatment of hepatitis, allergies, and sterility.
Gastric juices mainly consist of _____.
a. HCl and gastrin
b. HCl and pepsin
c. sodium bicarbonate and gastrin
d. sodium bicarbonate and pepsin
A patient with peptic ulcer complains of severe duodenal pain. Which of the following treatment options is most likely to relieve this pain?
a. Administration of food
b. Administration of histamine H1-receptor antagonists
c. Administration of calcium channel blockers
d. Administration of cholinergic drugs
Identify the primary mechanism of action of digoxin.
a. Release of nitric oxide
b. Blockade of angiotensin receptors
c. Blockade or norepinephrine receptors
d. Increase of myocardial contraction