Nokea
Isoniazid (INH) may induce a deficiency of which vitamin?
- A. B6
- B. C
- C. D
- D. E
Correct Answer: A
Rationale: Isoniazid interferes with vitamin B6 (pyridoxine) metabolism, increasing deficiency risk.
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A nurse is assessing a male client who recently began taking Haloperidol. Which of the following findings is the highest priority to report to the provider?
- A. Shuffling gait
- B. Neck spasms
- C. Drowsiness
- D. Impotence
Correct Answer: B
Rationale: Neck spasms indicate dystonia, an acute extrapyramidal symptom requiring immediate attention.
Which of the following drug can cause hypoglycemia:
- A. Acarbose
- B. Glipizide
- C. Metformin
- D. Pramlintide
Correct Answer: B
Rationale: Glipizide, a sulfonylurea, can cause hypoglycemia by excessively stimulating insulin release from pancreatic beta cells.
Vincristine toxicity frequently presents as:
- A. Anemia
- B. Neutropenia
- C. Thrombocytopenia
- D. Polyneuritis
Correct Answer: D
Rationale: Vincristine commonly causes neurotoxicity, including polyneuritis.
Which of the following produced by the pancreatic beta cells:
- A. Insulin
- B. Gastrin
- C. Somatostatin
- D. Glucagon
Correct Answer: A
Rationale: Insulin is produced by pancreatic beta cells to regulate blood glucose.
Which is the most important drug in the treatment of organophosphate poisoning?
- A. Atropine sulfate
- B. Pralidoxime
- C. Diazepam
- D. Adrenaline
Correct Answer: A
Rationale: Atropine sulfate is the most critical initial treatment for organophosphate poisoning, counteracting muscarinic effects like bronchorrhea and bradycardia, while pralidoxime regenerates cholinesterase later.