Nokea
Conjunctivitis in a child that is accompanied by acute otitis media is treated with:
- A. Sulfacetamide 10% ophthalmic solution (Bleph-10)
- B. Bacitracin/polymyxin B (Polysporin) ophthalmic drops
- C. Ciprofloxacin (Ciloxan) ophthalmic drops
- D. High-dose oral amoxicillin
Correct Answer: D
Rationale: Conjunctivitis with otitis suggests bacterial cause (e.g., H. influenzae), treated with oral amoxicillin.
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Drug studies generally base the recommended adult dose of a drug needed to reach a critical concentration on what measure?
- A. A 60-year-old man
- B. An average-sized woman
- C. A 150-pound adult male
- D. An obese adult
Correct Answer: C
Rationale: Drug dosages are often standardized based on a 150-pound adult male as a common reference in pharmacological studies.
Which of the following is not used for hyperthyroidism:
- A. Triiodthironine
- B. Mercazolil
- C. Diiodthironine
- D. Potassium iodide
Correct Answer: A
Rationale: Triiodothyronine (T3) is a thyroid hormone, not a treatment for hyperthyroidism, unlike the others.
Isotonic normal saline (0.9%) solution is LEAST indicated in which one of the following conditions?
- A. Vomiting
- B. Hypercalcemia
- C. Body wide sodium depletion (e.g. DKA)
- D. Volume overload (e.g. liver disease)
Correct Answer: D
Rationale: Normal saline worsens volume overload in conditions like liver disease due to sodium retention.
A nurse is teaching a client who has a new prescription for Diphenhydramine for allergic Rhinitis. The nurse should instruct the client to monitor for which of the following adverse reactions of this medication? (Select one that does not apply.)
- A. Dry mouth
- B. Nonproductive cough
- C. Urinary Hesitation
- D. Drowsiness
Correct Answer: B
Rationale: Diphenhydramine causes dry mouth , drowsiness , and urinary hesitation due to anticholinergic effects.
Drug efficacy' refers to..
- A. The range of diseases in which the drug is beneficial
- B. The maximal intensity of response that can be produced by the drug
- C. The therapeutic dose range of the drug
- D. The therapeutic index of the drug
Correct Answer: B
Rationale: Efficacy is defined as the maximum effect a drug can produce, per pharmacological principles.