Free Questions and Answers for All Medical Students all over the World
Q- Which of the following groups of medications prolongs GABA activity in the brain? A- Alcohols B- Barbiturates C- Benzodiazepines D- Methamphetamines B- Barbiturates- Barbiturates prolong the duration of chloride channel opening at the GABA-A receptor, thereby prolonging GABA activity. Benzodiazepines increase the frequency, Q- Which of the following medications inhibits folic acid synthesis through … Read more
Q- Which one of the following is the best first step of action for a case of posterior myocardial infarction? A- Aspirin 325 mg administration B- Metoprolol 60 mg administration C- Stress test D- Tissue plasminogen activator Q- Which of the following conditions is characterized by painless blisters on the back of the hands with … Read more
Q- Which of the following differentiates Dubin-Johnson syndrome from Rotor syndrome? A- Black pigmentation of the liver B- Conjugated hyperbilirubinemia C- Level of liver enzymes D- Mode of inheritance Q- At which of these vertebral levels does the trachea bifurcate? A- Seventh cervical B- First thoracic C- Fourth thoracic D- Sixth thoracic Q- Which one … Read more
Q- Which of the following characterizes the intravenous (IV) route of administration? A- Efficacy is affected by liver disorders B- Maximum bioavailability C- Rapidly excreted D- Undergo first pass metabolism Q- Which of the following medications reduces the effectiveness of oral contraceptives? A- Carbamazepine B- Ketoconazole C- Omeprazole D- Ritonavir Q- Which of the following … Read more
Q- Which one of the following drugs is the best treatment for seizures of eclampsia? A- Carbamazepine B- Haloperidol C- Magnesium sulfate D- Phenobarbital Q- Which of the following is an absolute contraindication of fibrinolytic therapy in MI? A- History of diabetes B- History of ischemic stroke 4 years ago C- History of hemorrhagic stroke … Read more
Q- Prophylaxis in HIV patients with TMP-SMX should be initiated at which of the following CD4 counts? A- Under 300 B- Under 200 C- Under 100 D- Under 50 Q- Which one of the following tests is diagnostic for acromegaly? A- Fasting blood glucose level B- Serum cortisol level C- Serum growth hormone level D- … Read more