Nokea
Probiotics are recommended to be co-administered when are prescribed:
- A. Antacids
- B. Antihypertensives
- C. Antidiarrheals
- D. Antibiotics
Correct Answer: D
Rationale: Probiotics help restore gut flora disrupted by antibiotics.
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The antidote for paracetamol poisoning is:
- A. Acetylsalicylic acid
- B. Acetylcysteine
- C. Prostacyclin
- D. Omeprazole
Correct Answer: B
Rationale: Acetylcysteine replenishes glutathione, detoxifying paracetamol's toxic metabolite.
Plasma concentration of drug at time 0 is 96(g/ml). If t½ is 2 hours concentration in plasma at 10 hours will be
- A. 48
- B. 24
- C. 12
- D. 3
Correct Answer: D
Rationale: In first-order kinetics, the concentration halves every half-life (t½ = 2 hours). At 10 hours (5 half-lives), 96 → 48 → 24 → 12 → 6 → 3 µg/ml.
The following class of drugs may be used to treat Parkinsonian syndrome arising from the use of phenothiazines:
- A. Nicotinic receptor antagonists
- B. Muscarinic receptor antagonists
- C. Adrenoceptor antagonists
- D. Anticholinesterases
Correct Answer: B
Rationale: Antimuscarinics (e.g., benztropine) relieve parkinsonism from phenothiazines.
Which of the following is the indication for glucocorticoid prescribing?
- A. Cataract
- B. Prevention of respiratory distress
- C. Hypofunction of thyroid gland
- D. Hypocalcemia
Correct Answer: B
Rationale: Glucocorticoids prevent respiratory distress, such as in neonatal respiratory distress syndrome.
Which action will the nurse take when it is determined that the narcotic count is incorrect while obtaining a medication from the narcotic area?
- A. Determine the cause of the discrepancy at the end of the shift.
- B. Notify the health care provider stat.
- C. Call the nurse from the previous shift to determine if there was a discrepancy earlier.
- D. Report the discrepancy to the charge nurse immediately.
Correct Answer: D
Rationale: Reporting the discrepancy to the charge nurse immediately enables the supervisory staff to narrow the time frame during which a medication was taken and not documented. The discrepancy needs to be addressed immediately, and therefore determining the cause of the discrepancy at the end of the shift is not the most appropriate action for the nurse to take. It is not appropriate to contact the health care provider for an incorrect narcotic count. The count would have been verified at shift change; calling the nurse from the previous shift is not an appropriate action for the nurse to take.