Free Questions and Answers for All Medical Students all over the World
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 … Read more
Q- A group of drugs that bind to a receptor but do not produce any pharmacological effect is called Which one of the following? A- Agonist B- Antagonist C- Partial agonist Q- Which one of the following amines is permanently charged? A- Primary amines B- Secondary amines C- Tertiary amines D- Quaternary amines Q- Administration … Read more
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. … Read more
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 … Read more
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 … Read more
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 … Read more