Nokea
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.
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Select the first choice drug for acute gout:
- A. Colchicine
- B. Indomethacin
- C. Allopurinol
- D. Dexamethasone
Correct Answer: B
Rationale: Indomethacin, an NSAID, is the first-line treatment for acute gout due to its rapid anti-inflammatory action; colchicine is an alternative, while allopurinol is for prophylaxis.
Metformin is a primary choice of drug to treat hyperglycemia in type 2 diabetes because it:
- A. Substitutes for insulin usually secreted by the pancreas
- B. Decreases glycogenolysis by the liver
- C. Increases the release of insulin from beta cells
- D. Decreases peripheral glucose utilization
Correct Answer: B
Rationale: Metformin reduces hepatic glucose output (glycogenolysis), key in type 2 diabetes; it doesn't mimic insulin or increase release .
Rho immune globulin (RhoGAM) is given to:
- A. Infants born to women who are Rh positive
- B. Sexual partners of Rh-positive women
- C. Rh-negative women after a birth, miscarriage, or abortion
- D. Rh-negative women at 36 weeks gestation
Correct Answer: C
Rationale: RhoGAM prevents Rh sensitization in Rh-negative women post-delivery; it's not for infants , partners , or late gestation alone.
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.
A young adult is receiving a maintenance dose of aminophylline, 3 mg/kg PO q6h. The patient weighs 50 kg. How much should the patient receive in a 24-hour period?
- A. 200 mg
- B. 400 mg
- C. 600 mg
- D. 800 mg
Correct Answer: C
Rationale: Use the formula, amount of drug prescribed weight of the patient in kg 4 (q6h in a 24-hour period = 4). 3 50 = 150 mg to be given every 6 hours. To determine how much the patient will receive in a 24-hour period, divide 6 into 24 to equal 4 doses. 4 150 = 600 mg.