Q- A 79-year-old woman presents with back pain for 3 months. Radiology of the spines shows compression of T11 and T12 vertebrae. There is no other lesion detected. Which of the following is the most likely diagnosis? A- Ewing sarcoma B- Metastatic adenocarcinoma C- Osteoporosis D- Osteosarcoma Q- A 29-year-old woman presents with bloody discharge […]
usmle step 1
Pharmacology MCQs- 293
Q- Which one of the following drugs is the most fatal in suicidal overdose? A- Bupropion B- Citalopram C- Imipramine D- Phenelzine Q- Which of the following medications is used in opioid overdose? A-Flumazenil B- Naloxone C- Norepinephrine D- Phencyclidine Q- Amoxicillin inhibits which one of the following enzymes? A-Beta lactamase B- Squalene epoxidase C- […]
USMLE Review- 5
Q- Which one of the following liver disorders occurs due to hepatic vein thrombosis? A- Alcoholic hepatitis B- Budd-Chiari syndrome C- Fatty liver D- Pyogenic liver abscess Q- Administration of which one of the following substances most likely reverses the course of Wernicke-Korsakoff syndrome? A- Niacin B- Riboflavin C- Thiamine D- Vitamin K Q- Which […]
Repeated USMLE Questions Step 1- 377
Q- A 32-year old woman presents with burning micturition, frequency and pain in the suprapubic region. There is no fever, vaginal discharge or pruritus. She had no similar episodes and she is not taken any medications. Which of the following is the most likely causative organism of this condition? A- Campylobacter B- Escherichia coli C- […]
Pathology MCQ- 6
Q- Which of the following conditions is characterized by irregular blotchy patches of hyperpigmentation localized mostly on the face caused by sun exposure, pregnancy and contraceptive pills? A- Benign lentigo B- Freckles C- Melasma D- Vitiligo Q- Which one of the following conditions characterized by hemolytic episodes caused by increased erythrocyte sensitivity to complement lytic […]
Pharmacology MCQs- 292
Q- Which of the following is the mechanism of action of selegiline in treating Parkinson’s disease? A- Agonist at dopamine receptors B- Blocks catechol-O-methyltransferase (COMT) C- Inhibition of MAO type B to reserve dopamine D- Precursor of dopamine Q- Which of the following is the mechanism of action of zileuton for asthma? A- Inhibition of […]