Nokea
Sarah developed a rash after using a topical medication. This is a type __ allergic drug reaction.
- A. I
- B. II
- C. III
- D. IV
Correct Answer: D
Rationale: A rash from topical medication is a Type IV (delayed hypersensitivity) reaction , typically contact dermatitis, not immediate (I), cytotoxic (II), or immune complex (III).
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A 75-year-old woman with diabetes is taking an oral antidiabetic drug. One day she goes without eating for 18 \mathrm{~h}. Her serum glucose concentration is 48 \mathrm{mg} / \mathrm{dL} (hypoglycemic) upon arrival at the emergency department, where she is deemed to be in critical condition. Which of the following drugs most likely aggravated this fasting hypoglycemia?
- A. Acarbose
- B. Glyburide
- C. Metformin
- D. Pioglitazone
Correct Answer: B
Rationale: Glyburide, a sulfonylurea, can cause severe hypoglycemia, especially during fasting, due to prolonged insulin release.
The following drugs are correctly paired with a clinical use EXCEPT:
- A. Tiludronate to treat Paget's disease of bone
- B. Raloxifene to prevent osteoporosis
- C. Picamycin to treat hypercalcemia
- D. Parathyroid hormone treats hypocalcemia
Correct Answer: D
Rationale: Parathyroid hormone treats osteoporosis, not hypocalcemia; calcitonin or bisphosphonates treat hypocalcemia.
Aminoglycosides lack activity against streptococci.
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: Aminoglycosides are effective against some streptococci (e.g., when combined with cell wall-active agents), though they are primarily used for gram-negative bacteria.
All are true except
- A. Acidic drugs bind to albumin & basic to acid glucoprotein
- B. All drugs have the same binding sites and mev compete for them
- C. Increased dosage will cause decrease in free drug in plasma throughout the therapeutic range
Correct Answer: D
Rationale: Acidic drugs bind albumin, basic drugs bind alpha-1-acid glycoprotein; binding sites differ, and increased dosage increases free drug levels.
While studying for the test, the nursing student encounters the following drug: papaverine (Pavabid). What does the nursing student identify the name Pavabid as?
- A. The generic name
- B. The chemical name
- C. The brand name
- D. The chemical and generic name
Correct Answer: C
Rationale: Several clues indicate the brand name including capitalization of the first letter in the name and in parentheses. Generic names are not capitalized; chemical names are descriptions of the chemistry of the medication resulting in complicated names.