Q- If the prevalence of a disease is 10%, what is the chance that randomly selected 3 persons out of this population will all have the disease? A- 0.1 B- 0.0.1 C- 0.001 D- 0.0001 Q- Which one of the following neoplasms is the most likely related to HIV infection? A- Burkitt’s lymphoma B- Hodgkin’s […]
usmle step 1
Pharmacology MCQs- 265
Q- Bioavailability of a medication is maximal when it has which of the following factors? A- High ionization B- High lipid solubility C- High plasma binding D- High water solubility Q- Which of the following is the major indication of ondansetron in patients receiving chemotherapy? A- Hair loss B- Nausea and vomiting C- Headache D- […]
Repeated USMLE Questions Step 1- 358
Q- Which of the following is responsible for the wrinkled appearance of the scrotum? A- Dartos fascia B- Pampiniform plexus C- Thickened keratinized epithelium D- Tunica albuginea Q- Which of the following is a serious complication of ergotamine? A- Depression B- Headache C- Hypotension D- Prolonged vasospasm Q- Regulation of which of the following regions […]
Pharmacology MCQs- 264
Q- Which of the following statements correctly describes the therapeutic dose of medication? A- The amount of medication that produces maximal rate of distribution B- The amount of medication that produces minimal biological effect C- The amount of medication that produces the highest plasma concentration of the drug D- The amount of medication that produces […]
Repeated USMLE Questions Step 1- 357
Q- Which of the following is the most common cancer of the lower third of esophagus in non-alcoholic, non-smoker patients? A- Adenocarcinoma B- Melanoma C- Sarcoma D- Squamous cell carcinoma . Q- Which of the following muscles are responsible for primary abduction of the arm at the shoulder joint? A- Coracobrachialis and deltoid B- Deltoid […]
Repeated USMLE Questions Step 1- 356
Q- Which one of the following medications is used for cases of Parkinson’s disease and influenza type A? A- Amantadine B- Benztropine C- Bromocriptine D- Ribavirin Q- Which of the following statements is correct regarding the apex of the upright lung compared to its base? A- Alveoli are more compliant at the apex than at […]