Repeated USMLE Questions Step 1- Review- 33

Q- Which one of the following structures provides the majority of noradrenergic innervation to the cerebral cortex? A- Caudate nucleus B- Locus coeruleus C- Raphe nucleus D- Substantia nigra Q- Which of the following physiological changes is expected in a person comping on a mountain at an altitude of 4500 meters? A- Decreased 2,3-diphosphoglycerate B- … Read more

Repeated USMLE Questions Step 1- Pharmacology- 305

Q- A 73-year-old patient with multiple myeloma has been treated with high doses of doxorubicin. Which of the following may develop during this treatment? A-Bladder hemorrhage B-Cardiomyopathy C-Papilledema D-Hemolytic anemia Q- Heparin acts by binding to which of the following substances to achieve its anticoagulant activity? A-Antithrombin III B-Factor V C-Factor VIII D-Prothrombin Q- Prolonged … Read more

Repeated USMLE Questions Step 2 CK- Review- 6

Q- A 28-year-old man is brought by his father to the emergency room with flaccid coma for 15 minutes. His father mentions that his son had seizures on a regular basis. This time, he lost his consciousness, fell to the ground and his body started jerking for about 3 minutes. While talking to his father, … Read more

Repeated USMLE Questions Step 1- Review- 32

Q- A 39-year-old woman presents with an inflamed ulcer on the sole of her foot not healed for 2 months. Peripheral sensations are reduced bilaterally. Elevation of which of the following laboratory tests most likely explains this condition? A- Alanine aminotransferase (ALT) B- Blood glucose C -Serum creatinine D- Urinary sodium Q- A newly born … Read more

Repeated USMLE Questions Step 1- Pharmacology- 304

Q- Which one of the following medications enters the cell and acts on a cytoplasmic receptor? A- Adrenaline B- Dexamethasone C- Insulin D- Propranolol Q- Which one of the following local anesthetics causes local vasoconstriction and may lead to hypertension? A- Cocaine B- Etidocaine C- Lidocaine D- Tetracaine Q- Which one of the following drugs … Read more

Repeated USMLE Questions Step 2 CK- Review- 5

Q- A 55-year-old man with a history of type 2 diabetes, hypertension and hypercholesterolemia presents for his routine examination. He is tall and obese. His vital signs are pulse 88/min, blood pressure 156/86 and oxygen saturation 98%. Which of the following is the most important action to reduce the risk of stroke in this patient? … Read more