Free Questions and Answers for All Medical Students all over the World
Q- A young man complains of syncope, dyspnea and chest pain after exercise. A crescendo-decrescendo systolic murmur is heard over the left sternal border without radiation. What is the most likely etiology? A- Aortic dissection B- Aortic regurgitation C- Aortic stenosis D- Hypertrophic cardiomyopathy Q- A 9-month-old who was delivered after premature labor and is … Read more
Q- Which of the following types of sensations is carried to the thalamus by the anterolateral tracts after crossing the spinal cord? A- Crude touch B- Fine touch C- Position D- Vibrations Q- Gonadotropin-releasing hormones are synthesized by which of the following nuclei of the hypothalamus? A- Anterior nuclei B- Arcuate nuclei C- Dorsomedial nuclei … Read more
Q- Which one of the following medications inhibits protein synthesis by binding to 50S subunit and preventing the formation of the initiation complex? A- Azithromycin B- Clindamycin C- Linezolid D- Minocycline Q- Which of the following substances is used in mercury poisoning? A- Flumazenil B- Fomepizole C- Methylene blue D- Succimer Q- Which of the … Read more
Q- Which of the following is a characteristic finding in isopropanol poisoning? A- Blindness due to ocular accumulation B- Elevated anion gap C- Elevated serum BUN and creatinine D- Ketosis without acidosis Q- Which of the following is a major complication of central retinal vein occlusion? A- Cataract B- Glaucoma C- Lens subluxation D- Retinal … Read more
Q- Which one of the following parts of the cell is the site of steroid synthesis? A- Golgi apparatus B- Peroxisome C- Rough endoplasmic reticulum D- Smooth endoplasmic reticulum Q- Which of the following errors is considered if the researcher states that there is no difference when one exists? A- Type 1 error B- Type … Read more
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