A nurse is teaching a group of young women about the use of oral contraceptives. The nurse should teach that taking Which of the following herbal preparations reduces the effectiveness of this birth control method?
Saw palmetto
Ginseng
St. John's wort
Gingko Siloba
The Correct Answer is C
St. John's wort is a form of alternative form of medicine used for psychiatric illnesses such as depression and other mood disorders. It increases metabolism of estrogen and progesterone reducing the effectiveness of hormonal contraceptives which can lead to unplanned pregnancies.
A, B, D have no effect of oral contraceptives.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Prednisone is a corticosteroid used in the management of inflammatory disorders like gouty arthritis, rheumatoid arthritis and connective tissue disorders. Prednisone, like other corticosteroids have a counter regulatory effect in glucose metabolism and increases insulin resistance in the peripheral tissues leading to hyperglycemia
A- Cimetidine is a histamine receptor antagonist used in management of gastric ulcers. It has no effect of glucose tolerance.
B. Dextromethorphan is a cough suppressant use in upper respiratory infections and has no effect on glucose tolerance.
D. Atorvastatin is a lipid lowering agent used to reduce the risk of cardiovascular event such as myocardial infarction and stroke. It has no effect on glucose
Correct Answer is B
Explanation
Allopurinol is a uric lowering agent that reduces the conversion on hypoxanthine to uric acid lowering its levels in blood. This prevents formation of uric acid crystals which are deposited in joints and tissues in gouty arthritis.
A. Spironolactone is a potassium sparing diuretic used in management of ascites, hypertension and heart failure
C. Zolpidem is a sedative-hypnotic agent used in management of sleep wake disorders
D. Alprazolam is a benzodiazepine used in management of anxiety disorders
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