Repeated USMLE Questions Step 1- Review- 81- Pharmacology

Q- Which one of the following is an estimate for the fraction of administered drug that reaches systemic circulation unchanged? A- Bioavailability B- Clearance C- Half-life D- Volume of distribution Q- Which one of the following drugs may cause pancreatitis as an adverse effect? A- Acetaminophen B- Didanosine C- Clindamycin D- Rifampin Q- Which one … Read more

Repeated USMLE Questions Step 1- Review- 80

Q- A 30-year-old man presents to the office for progressive pain with urination for 1 year. He also complains of episodes of blood in urine in different occasions. He lived in Egypt until he came to the states 6 months ago. Physical examination reveals suprapubic tenderness. Imaging shows bilateral hydroureter and hydronephrosis and calcification in … Read more

Repeated USMLE Questions Step 1- Review- 79- Pharmacology

Q- A patient taking chemotherapeutic treatment for non-Hodgkin lymphoma presents with hematuria for several days. Which one of the following drugs is responsible for this symptom? A- Bleomycin B- Cyclophosphamide C- Doxorubicin D- Vincristine Q- Which one of the following medications works to protect the gastric ulcerated tissue from damage by gastric enzymes and acid … Read more

Repeated USMLE Questions Step 1- Review- 78

Q- Increased concentration of malonyl-CoA most likely inhibits which one of the following biochemical processes? A- Fatty acid oxidation B- Fatty acid synthesis C- Glycolysis D- Oxidative phosphorylation Q- A patient presents with biliary colic for a week with pain in his right shoulder after eating a fatty meal. Examination reveals marked right upper quadrant … Read more

Repeated USMLE Questions Step 1- Review- 77- Pharmacology

Q- Which one of the following antifungal drugs acts by inhibiting the enzyme, 1, 3-beta-glucan synthase? A- Amphotericin B B- Caspofungin C- Griseofulvin D- Terbinafine Q- Which one of the following agents prevents the release of neurotransmitter at all the cholinergic terminals? A- Atropine B- Botulinum toxin C- Hemicholinium D- Reserpine Q- Which one of … Read more

Repeated USMLE Questions Step 1- Review- 76- Pathology

Q- Which of the following is the most frequent form of pericarditis associated with myocardial infarction? A- Fibrinous pericarditis B- Hemorrhagic pericarditis C- Serous pericarditis D- Suppurative pericarditis Q- Which of the following conditions is characterized by hypertension due to sodium retention, hypokalemia and decreased renin secretion? A- Conn syndrome B- Cushing syndrome C- Diabetes … Read more