Q- A 59-year-old man presents with progressive exertional dyspnea and fatigue. Cardiac exam reveals a harsh systolic murmur best heard at the right upper sternal border that radiates to the carotids.
What is the most likely diagnosis?
A- Aortic regurgitation
B- Aortic stenosis
C- Mitral regurgitation
D- Mitral stenosis
Q- A 26-year-old woman presents with lower abdominal pain, fever, and purulent cervical discharge. Pelvic exam reveals cervical motion tenderness.
What is the most appropriate initial treatment?
A- Azithromycin alone
B- Azithromycin plus doxycycline
C- Metronidazole alone
D- Oral fluconazole
Q- A 71-year-old man presents with an acute onset of confusion, tachycardia, and fever after recent hip surgery. Labs show elevated creatine kinase and leukocytosis.
What is the most likely diagnosis?
A- Malignant hyperthermia
B- Neuroleptic malignant syndrome
C- Serotonin syndrome
D- Thyroid storm
Q- A 33-year-old woman presents with episodic vertigo, tinnitus, and hearing loss. Symptoms last several hours and resolve spontaneously.
What is the most likely diagnosis?
A- Acoustic neuroma
B- Benign paroxysmal positional vertigo
C- Ménière disease
D- Vestibular neuritis
Q- A 48-year-old man presents with dark urine, jaundice, and fatigue. Labs show elevated indirect bilirubin and increased reticulocyte count.
What is the most likely diagnosis?
A- Acute viral hepatitis
B- Autoimmune hepatitis
C- Hemolytic anemia
D- Primary biliary cholangitis