Which of the following antibiotics is contraindicated in patients with myasthenia gravis?
- A. Vancomycin
- B. Gentamicin
- C. Daptomycin
- D. Cephalexin
Correct Answer: B
Rationale: Gentamicin, an aminoglycoside, worsens neuromuscular blockade in myasthenia gravis, making it contraindicated.
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The trial period to determine effective anti-inflammatory activity when starting a patient on aspirin for rheumatoid arthritis is:
- A. 48 hours
- B. 4 to 6 days
- C. 4 weeks
- D. 2 months
Correct Answer: B
Rationale: Aspirin's anti-inflammatory effect for RA takes 4-6 days; 48 hours is too short.
I.V. fluphenzine decanoate is drug of choice in:
- A. Simple Schizophrenia
- B. Hebephrenic Schizophrenia
- C. Catatonic Schizophrenia
- D. Paranoid Schizophrenia
Correct Answer: A
Rationale: Fluphenazine decanoate is used in chronic schizophrenia, often simple type.
Inhaled corticosteroids in Bronchial Asthma:
- A. Produce modest immediate bronchodilation
- B. Are synergistic with inhaled methacholine
- C. Are antagonized by atropine
- D. Inhibit IgE-antigen binding
Correct Answer: D
Rationale: Inhaled corticosteroids reduce inflammation by inhibiting IgE-mediated responses.
Patient education regarding prescribed medication includes:
- A. Instructions written at the high school reading level
- B. Discussion of expected adverse drug reactions
- C. How to store leftover medication such as antibiotics
- D. Verbal instructions always in English
Correct Answer: B
Rationale: Discussing adverse reactions is key to patient safety and adherence, unlike rigid reading levels , language limits , or leftover storage (C, less critical).
The nurse is teaching a patient about rifampin. Which statement by the patient indicates understanding of the teaching?
- A. I should not wear soft contact lenses while taking rifampin
- B. I will need regular eye examinations while taking this drug
- C. I will report orange urine to my provider immediately
- D. I understand that renal toxicity is a common adverse effect
Correct Answer: A
Rationale: Rifampin stains fluids red-orange, risking soft lens damage; eye exams are for ethambutol, and urine color is benign. Patients taking rifampin should be warned that urine, feces, saliva, sputum, sweat, and tears may turn a harmless red-orange color.
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