A client is prescribed cimetidine 400 mg PO twice daily. It is available as an oral liquid of 100 mg per teaspoon. How many teaspoons should the client take per dose?
4 teaspoons
2 teaspoons
1 teaspoon
3 teaspoons
The Correct Answer is B
A. 4 teaspoons – This is incorrect because 4 teaspoons would provide 400 mg (100 mg x 4 = 400 mg), but the correct dose per administration is 400 mg. However, this is not the correct calculation, as only 2 teaspoons are needed.
B. 2 teaspoons – This is correct. The prescribed dose is 400 mg, and since the medication concentration is 100 mg per teaspoon, 2 teaspoons (100 mg x 2 = 200 mg) is the correct dose for each administration.
C. 1 teaspoon – This is incorrect because 1 teaspoon would only provide 100 mg, and the prescribed dose is 400 mg. This is not enough to meet the prescribed dose.
D. 3 teaspoons – This is incorrect because 3 teaspoons would provide 300 mg (100 mg x 3 = 300 mg), which is not enough to meet the prescribed 400 mg dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Glucagon is not used to treat thyroid cancer; treatments for thyroid cancer often include radioactive iodine therapy or surgery.
B. Glucagon is used to treat severe hypoglycemia in diabetic patients when they are unable to take oral glucose. It works by stimulating the liver to release stored glucose into the bloodstream, rapidly raising blood sugar levels.
C. Diabetes insipidus involves a deficiency of antidiuretic hormone or kidney insensitivity to it and is treated with desmopressin or adequate hydration, not glucagon.
D. Type 2 diabetes mellitus is typically managed with lifestyle changes, oral antidiabetic agents, or insulin. Glucagon is not used for routine management but is reserved for severe hypoglycemia emergencies.
Correct Answer is A
Explanation
A. Lipohypertrophy – This is correct. Lipohypertrophy is the thickening of subcutaneous fat that can occur from repeated insulin injections at the same site. This can interfere with insulin absorption, leading to inconsistent glucose control. Rotating injection sites prevents this complication and ensures even absorption of insulin.
B. Injection pain – This is incorrect. Injection pain is typically related to technique or needle size rather than the location. Rotating injection sites does not specifically address this issue.
C. Rapid absorption – This is incorrect. Rotating injection sites does not necessarily prevent rapid absorption but ensures more consistent absorption rates.
D. Intradermal injection – This is incorrect. Intradermal injection occurs when the needle is not inserted deep enough, unrelated to rotating injection sites.
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