Which cranial nerves are responsible for eye movement?
- A. CN II, III, IV
- B. CN III, IV, VI
- C. CN II, IV, VI
- D. CN III, IV, VII
Correct Answer: B
Rationale: Cranial nerves III, IV, and VI control eye movements.
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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.
Which of the following is the most appropriate treatment for trichomoniasis in a non-pregnant woman?
- A. Metronidazole (Flagyl)
- B. Doxycycline (Vibramycin)
- C. Clindamycin (Cleocin)
- D. Clotrimazole (Lotrimin)
Correct Answer: A
Rationale: Metronidazole is the first-line treatment for trichomoniasis.
A 70-year-old man has bothersome lower urinary tract syndrome (LUTS) associated with benign prostatic hyperplasia (BPH). His symptoms are no longer well managed with lifestyle modifications. He is interested in medication to reduce his urinary symptoms but is concerned about possible side effects. He notes that he is recently married and sexual activity is very important to him. Which of the following medications would be most appropriate for this patient?
- A. Alfuzosin
- B. Ditropan
- C. Dutasteride
- D. Tamsulosin
Correct Answer: D
Rationale: Tamsulosin is an alpha-1 blocker that helps alleviate urinary symptoms without significantly impacting sexual function.
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.
On examination, a patient is noted to have a "mask-like" face with decreased blinking and a characteristic stare. These features may be characteristic of:
- A. Nephrotic syndrome
- B. Myxedema
- C. Cushing’s syndrome
- D. Parkinson disease
Correct Answer: D
Rationale: A "mask-like" face is a classic feature of Parkinson’s disease.