Nokea
Amphetamine should not be taken with.....
- A. Paracetamol
- B. Aspirin
- C. MAO inhibitors
- D. Benzimidazole
Correct Answer: C
Rationale: Amphetamines combined with MAO inhibitors can cause a hypertensive crisis due to excessive catecholamine accumulation, a well-known dangerous interaction.
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Cholinergic blockers are used to:
- A. Counteract the extrapyramidal symptoms (EPS) effects of phenothiazines
- B. Control tremors and relax smooth muscle in Parkinson's disease
- C. Inhibit the muscarinic action of ACh on bladder muscle
- D. All of the above
Correct Answer: D
Rationale: Cholinergic blockers address EPS, Parkinson's symptoms, and bladder overactivity.
Oral iron supplements are prescribed for a 6 year-old child with iron deficiency anemia. The nurse instructs the mother to administer the iron with which best food item?
- A. Milk
- B. Water
- C. Apple juice
- D. Orange juice
Correct Answer: D
Rationale: Vitamin C increases the absorption of iron by the body. The mother should be instructed to administer the medication with a citrus fruit or a juice that is high in vitamin C. Milk may affect absorption of the iron. Water will not assist in absorption. Orange juice contains a greater amount of vitamin C than apple juice.
Aminoglycosides work by irreversibly binding to the 30 ribosomal subunit.
- A. TRUE
- B. FALSE
Correct Answer: A
Rationale: Aminoglycosides irreversibly bind to the 30S ribosomal subunit, disrupting bacterial protein synthesis and leading to bactericidal effects.
Furosemide is added to a treatment regimen for heart failure that includes digoxin. Monitoring for this combination includes:
- A. Hemoglobin
- B. Serum potassium
- C. Blood urea nitrogen
- D. Serum glucose
Correct Answer: B
Rationale: Furosemide's potassium loss can enhance digoxin toxicity, requiring potassium monitoring.
Smokers are at risk for vitamin C deficiency. It is recommended that smokers take vitamin C supplement.
- A. 100 mg/day
- B. 500 mg/day
- C. 1,000 mg/day
- D. 35 mg/day more than nonsmokers
Correct Answer: D
Rationale: Smokers require an additional 35 mg/day of vitamin C due to increased oxidative stress.