Nokea
Alcohol should not be given with
- A. Sulphonamides
- B. Clonidine
- C. Reserpine
- D. Metronidazole
Correct Answer: D
Rationale: Metronidazole with alcohol causes a disulfiram-like reaction (flushing, nausea).
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What is the mechanism of action of miglitol?
- A. Decreased glucagon release
- B. Increased insulin release
- C. Increased insulin sensitivity in peripheral tissues
- D. Inhibits intestinal brush border enzymes
Correct Answer: D
Rationale: Miglitol inhibits intestinal brush border enzymes, slowing carbohydrate digestion and absorption.
Several classes of drugs have interactions with cholinergic blockers. Which of the following is true about these interactions?
- A. Drugs with a narrow therapeutic range given orally may not stay in the GI tract long enough to produce an action.
- B. Additive antimuscarinic effects may occur with antihistamines.
- C. Cholinergic blockers may decrease the sedative effects of hypnotics.
- D. Cholinergic blockers are contraindicated with antipsychotics.
Correct Answer: B
Rationale: Additive antimuscarinic effects with antihistamines can enhance side effects like sedation.
Which of the following class of agonists can precipitate hyperglycemia in diabetics?
- A. a 1-agonists
- B. α2-agonists
- C. β1-agonists
- D. β2-agonists
Correct Answer: D
Rationale: Beta-2 agonists (e.g., salbutamol) increase glycogenolysis, raising blood glucose.
Which of the following drug shows foetal hydantoin syndrome?
- A. Alcohol
- B. Phenytoin
- C. Ethosuximide
- D. Phenobarbitone
Correct Answer: B
Rationale: Phenytoin is associated with fetal hydantoin syndrome, characterized by craniofacial abnormalities and growth deficits, due to its teratogenic effects during pregnancy.
Decongestants such as pseudoephedrine (Sudafed):
- A. Are Schedule III drugs in all states
- B. Should not be prescribed or recommended for children under 4 years of age
- C. Are effective in treating the congestion children experience with the common cold
- D. May cause drowsiness in patients of all ages
Correct Answer: B
Rationale: Pseudoephedrine is unsafe for children under 4 due to serious side effects; it's not Schedule III , variably effective in kids , or typically sedating .