Repeated USMLE Questions Step 2 CK- Review- 28

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Q- A middle-aged woman presents with fever, difficulty breathing and severe cough. Her COVID test is negative. She is diagnosed with acute viral bronchitis. Which of the following is the best next step of management?

A- Albuterol and antitussives

B- Broad spectrum antibiotics

C- Corticosteroids

D- Sputum gram stain

A- Albuterol and antitussives- Symptomatic treatment is the best next step for this patient. Antibiotics and Gram staining are not used unless this is a proof of bacterial infection. Corticosteroids can be used later if there will be no improvement.



Q- A patient with a history of Marfan syndrome presents for a routine examination. He is found to have mid-systolic click. Which of the following treatments is shown to slow the rate of his condition?

A- Lisinopril

B- Losartan

C- Propranolol

D- Verapamil

C- Propranolol- Dilatation of the aortic root is significant complication of Marfan syndrome. Beta blockers slow the rate of aortic dilatation.



Q- A 27-year-old man with a history of diarrhea for a month presents with inability to walk for the past 3 days. Examination reveals 0/5 power and areflexia in both lower extremities. Which of the following is the most likely diagnosis?

A- Guillain-Barre syndrome

B- Lyme disease

C- Multiple sclerosis

D- Poliomyelitis

A- Guillain-Barre syndrome- It is an autoimmune disease usually following a viral illness. It is characterized by bilateral ascending muscle weakness.



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