A 23-year-old woman was involved in a motor car accident three days ago. She was hypotensive and diagnosed with internal bleeding. She received several units of blood. Today her urine output is very low for the last six hours. Her urinalysis showed hematuria, proteinuria, muddy brown epithelial cells and granular casts. Her lab tests also […]
Pharmacology MCQs- 214
1- A group of drugs bind to a receptor but do not produce any pharmacological effect is called: A-Agonist B-Antagonist C- Partial agonist 2- Which of these amines is permanently charged? A-Primary B-Secondary C-Tertiary D-Quaternary 3- Administration of which one of these can increase the excretion of a weak acid i.e. Aspirin toxicity? A-A weak […]
Repeated USMLE Questions Step 2 CK- 436
A 28-year-old woman with a history of normal delivery 3 days ago after an uneventful pregnancy is admitted to the ICU because of high fever and foul-smelling vaginal discharge. General examination reveals temperature of 103.3 F, pulse 96/min and blood pressure 100/70 mmHg. Pelvic examination reveals bloody yellowish discharge and dilated, enlarged and bulky cervix. […]
Pharmacology MCQs- 213
A 26-year-old man complains of cough, night fever, loss of weight, anorexia and night sweats for six weeks presents to his physician. Physical examination reveals vital signs within normal limits except for slight fever. Chest x-ray shows a small cavity in the right middle lobe and enlarged bronchopulmonary lymph nodes. Blood analysis reveals lymphocytosis and […]
Repeated USMLE Questions Step 1- 289
A 23-year-old man visits his physician for routine examination. He has a history of HIV infection for 3 months and he is compliant with his medications. He is concerned about developing AIDS. Which of the following is the most useful test to address his concern? A-HIV antibody test B-HIV RT PCR C-HIV p24 antigen D-CD4 […]
Repeated USMLE Questions Step 1- 288
A study is conducted to evaluate the action of a new oral antidiabetic drug in patients with new onset type II diabetes. All patients involved in the study are informed that they would be treated with a new oral antidiabetic drug. They are divided into three groups and each group would be treated with a […]