Explain why late inspiratory crackles in the lower third of the chest are indicative of heart failure rather than other respiratory conditions.
- A. They indicate airway obstruction typical of asthma.
- B. They suggest fluid accumulation in the alveoli due to heart failure.
- C. They are a sign of chronic bronchial inflammation.
- D. They are associated with hyperinflation of the lungs in COPD.
Correct Answer: B
Rationale: Late inspiratory crackles indicate fluid in the alveoli, a hallmark of heart failure.
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Children born with Down syndrome often have other anomalies. They especially require evaluation of what body system?
- A. Orthopedic
- B. Gastrointestinal
- C. Cardiac
- D. Endocrine
Correct Answer: C
Rationale: Children with Down syndrome often have congenital heart defects.
A 42-year-old woman with a history of migraine headaches is requesting prophylactic medication treatment. Which medication should the Nurse Practitioner prescribe?
- A. Sumatriptan (Imitrex)
- B. Amitriptyline (Elavil)
- C. Verapamil (Verelan)
- D. Metoprolol (Lopressor)
Correct Answer: B
Rationale: Amitriptyline is used off-label for migraine prophylaxis.
The most common treatment for Helicobacter pylori is a triple therapy, interpreted as
- A. 2 antibiotics and proton pump inhibitor for 7-14 days
- B. 3 different antibiotics for 7-20 days
- C. 3 rounds of the same antibiotic over 3 weeks
- D. 2 proton pump inhibitors and 1 antibiotic for 7-14 days
Correct Answer: A
Rationale: Triple therapy for H. pylori typically includes 2 antibiotics and a proton pump inhibitor for 7-14 days.
A nurse practitioner examines the skin of an elderly patient. Which finding below is NOT a benign lesion associated with the aging process?
- A. Xerosis
- B. Cherry angiomas and senile purpura
- C. Senile keratosis and senile lentigines
- D. Dermatophytosis
Correct Answer: D
Rationale: Dermatophytosis is a fungal infection and is not a normal aging change.
Which of the following is true about tolterodine?
- A. It should be avoided in men with prostatic hypertrophy.
- B. It increases the risk of constipation compared with oral oxybutynin.
- C. It acts by ablating detrusor spasms.
- D. It has greater risk of adverse effects with its twice-daily formulation.
Correct Answer: C
Rationale: Tolterodine is an anticholinergic that reduces detrusor spasms to alleviate symptoms of overactive bladder.
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