Nokea
A nurse in the post-anesthesia recovery unit is caring for a client who received a nondepolarizing neuromuscular blocking agent and has muscle weakness. The nurse should anticipate a prescription for which of the following medications?
- A. Neostigmine
- B. Naloxone
- C. Dantrolene
- D. Vecuronium
Correct Answer: A
Rationale: Neostigmine reverses nondepolarizing neuromuscular blockers by increasing acetylcholine.
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Sally has been prescribed aspirin 320 mg per day for her atrial fibrillation. She also takes aspirin four or more times a day for arthritis pain. What are the symptoms of aspirin toxicity for which she would need to be evaluated?
- A. Tinnitus
- B. Diarrhea
- C. Hearing loss
- D. Photosensitivity
Correct Answer: A
Rationale: Tinnitus is an early sign of aspirin toxicity (salicylism); diarrhea or photosensitivity are less specific, and hearing loss is later.
All the following cross placenta except
- A. Warfarin
- B. Heparin
- C. Phenindione
- D. Morphine
Correct Answer: B
Rationale: Heparin, a large molecule, does not cross the placenta; others do.
Which of the following diagnostic studies would NOT indicate a problem related to a reductase inhibitor?
- A. Elevated serum transaminase
- B. Increased serum creatinine
- C. Elevated creatinine kinase
- D. Increased white blood cell counts
Correct Answer: D
Rationale: WBC elevation is unrelated to reductase inhibitors; others indicate liver, kidney, or muscle issues.
In clinical practice glucocorticoids are used for:
- A. Cavernosus tuberculosis
- B. Syphilis
- C. Fungal disease
- D. Colagenosis (Systemic connective tissue disorders, e.g. rheumatism, systemic lupus erythematosus, etc.)
Correct Answer: D
Rationale: Glucocorticoids are used for collagenoses like lupus due to their anti-inflammatory and immunosuppressive effects.
Why is diclofenac combined with misoprostol?
- A. They are synergistic
- B. They are additive
- C. To reduce hepatic side effects
- D. To prevent diclofenac-related gastric ulcers
Correct Answer: D
Rationale: Misoprostol protects against diclofenac-induced gastric ulcers.