Diet and exercise alone may not lower a patient's risk for having high cholesterol. Which medication would help to lower a patient's cholesterol level?
a. Clonidine (Catapres), a central adrenergic inhibitor
b. Simvastatin (Zocor), a reductase inhibitor
c. Nadolol (Corgard), a beta-adrenergic blocker
d. Terazosin (Hytrin), an alpha1-adrenergic blocker
ANS: B
Simvastatin is an HMG-CoA reductase inhibitor and is used in the treatment of hyperlipidemia. It is also highly effective at lowering low-density lipoproteins.
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Homeostasis of the hydrogen ion concentration in body fluids depends on the ratio of carbonic acid to bicarbonate in the extracellular fluid. What is this ratio?
a. 1:5 b. 1:10 c. 1:15 d. 1:20
You are caring for a patient who is going to have a bronchoscopy. How long do you withhold food and fluid from the patient prior to the procedure?
A) 3 hours B) 4 hours C) 5 hours D) 6 hours
The nurse will plan to teach a 51-year-old man who is scheduled for an annual physical exam about a(n)
a. increased risk for testicular cancer. b. possible changes in erectile function. c. normal decreases in testosterone level. d. prostate specific antigen (PSA) testing.
A man using barbiturates to hide an addiction is an example of:
A. cross-reference B. cross-tolerance C. cross-dependence D. cross-induction