The client asks the nurse how atorvastatin (Lipitor) will help lower cholesterol. Which response by the nurse is most appropriate?
It interferes with how cholesterol is made
Its action is not understood.
It binds to cholesterol and inhibits its production.
It makes the body excrete cholesterol quicker.
The Correct Answer is A
A. Atorvastatin (Lipitor) is a statin medication that works by inhibiting the enzyme HMG-CoA reductase, which plays a key role in cholesterol synthesis in the liver, thereby lowering cholesterol levels.
B. Atorvastatin's mechanism of action is well understood; it is not accurate to say its action is not understood.
C. Atorvastatin does not bind to cholesterol; instead, it inhibits its production in the liver.
D. Atorvastatin does not directly cause the body to excrete cholesterol but rather reduces its production in the liver.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","E"]
Explanation
Explanation:
A. Imipramine commonly causes dry mouth as a side effect, so chewing sugarless gum can help alleviate this symptom.
B. Therapeutic effects of imipramine may not be felt until after several weeks of treatment, rather than within 24 to 48 hours.
C. Increasing dietary fiber intake can help alleviate constipation, a common side effect of imipramine, rather than decreasing it.
D. Discontinuing antidepressant medication abruptly, especially after a short period, can lead to withdrawal symptoms and a recurrence of depressive symptoms.
E. Imipramine can cause orthostatic hypotension, leading to dizziness upon standing, so changing positions slowly can help minimize this risk.
Correct Answer is B
Explanation
A. Aspirin is not primarily used to inhibit peptic ulcer disease; it is used to prevent cardiovascular events by decreasing platelet aggregation.
B. Aspirin decreases platelet aggregation, making it useful in preventing clot formation in conditions such as angina and myocardial infarction.
C. Aspirin is not used to reduce emphysema; it is primarily used for its antiplatelet effects.
D. Aspirin does not directly decrease carbon dioxide retention; its primary mechanism of action in cardiovascular disease is through antiplatelet effects.
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