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When planning care for a cardiac patient, the nurse knows that in response to an increased workload, cardiac myocardial cells will:
- A. Increase in size
- B. Decrease in length
- C. Increase in excitability
- D. Increase in number
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
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Following a knee injury, a football player is taking ibuprofen, a nonsteroidal anti-inflammatory drug, for the control of pain. Which drug action is most likely to result in diminished sensation of pain for the player?
- A. Inhibition of cyclooxygenase (COX) enzymes
- B. Activation of opioid receptors
- C. Blocking of NMDA receptors
- D. Stimulation of serotonin receptors
Correct Answer: A
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
After studying about fungi, which information indicates a correct understanding of fungi? Fungi causing deep or systemic infections:
- A. Are easily treated with penicillin
- B. Are extremely rare
- C. Never occur with other infections
- D. Are commonly opportunistic
Correct Answer: D
Rationale: Fungi causing deep or systemic infections are commonly opportunistic, especially in immunocompromised individuals.
A male patient receiving androgen therapy is concerned about side effects. What is the most serious adverse effect the nurse should monitor for during this therapy?
- A. Increased risk of cardiovascular events
- B. Increased risk of bone fractures
- C. Increased risk of venous thromboembolism
- D. Increased risk of mood changes
Correct Answer: A
Rationale: Androgen therapy can increase the risk of cardiovascular events, including heart attack and stroke, particularly in older patients.
A male patient with benign prostatic hyperplasia (BPH) is prescribed tamsulosin (Flomax). What is the primary therapeutic effect of this medication?
- A. Relaxation of the muscles in the prostate and bladder neck, leading to improved urinary flow.
- B. Reduction in prostate size and improvement in urinary symptoms.
- C. Increase in urine flow and relief of urinary obstruction.
- D. Improvement in erectile function.
Correct Answer: A
Rationale: Tamsulosin relaxes the muscles in the prostate and bladder neck, leading to improved urinary flow and reduced symptoms of BPH.
A 50-year-old woman has had a relapse of her multiple sclerosis (MS) after several years of being symptom-free. Which of the following factors is most likely to have contributed to her relapse?
- A. Emotional stress
- B. Dietary indiscretion
- C. Physical overexertion
- D. Adequate rest and relaxation
Correct Answer: C
Rationale: Physical overexertion can contribute to an MS relapse, triggering symptoms to reappear.