Q- A 67-year-old man presents with sudden onset left arm weakness and facial droop that resolved completely within 30 minutes. CT scan of the head is normal.
What is the most likely diagnosis?
A- Intracerebral hemorrhage
B- Ischemic stroke
C- Subarachnoid hemorrhage
D- Transient ischemic attack
Q- A 34-year-old woman presents with heat intolerance, tremor, and palpitations. Labs show low TSH and elevated free T4.
What is the most appropriate initial treatment?
A- Methimazole
B- Propranolol
C- Radioactive iodine
D- Thyroidectomy
Q- A 72-year-old hospitalized patient develops acute confusion and agitation. He has a fluctuating level of consciousness and visual hallucinations.
What is the most likely diagnosis?
A- Acute psychosis
B- Alzheimer disease
C- Delirium
D- Major depressive disorder
Q- A 45-year-old man presents with epigastric pain that improves with meals. Endoscopy shows a duodenal ulcer.
Which organism is most commonly associated with this condition?
A- Campylobacter jejuni
B- Escherichia coli
C- Helicobacter pylori
D- Staphylococcus aureus
Q- A 60-year-old woman presents with progressive dyspnea and dry cough. CT scan shows bilateral ground-glass opacities. She has been on amiodarone for several years.
What is the most likely diagnosis?
A- Acute respiratory distress syndrome
B- Amiodarone-induced pulmonary toxicity
C- Community-acquired pneumonia
D- Pulmonary embolism