Free Questions and Answers for All Medical Students all over the World
Dr Ray Makar Q- Anterior spinal artery arises from which of the following arteries? A- Basilar artery B- External carotid artery C- Internal carotid artery D- Vertebral artery Q- Sensations to the external auditory meatus is innervated by which of the following nerves? A- Auriculotemporal nerve B- Great auricular nerve C- Facial nerve D- Vagus nerve Q- Bicornuate … Read more
Q- Which of the following side effects occurs with both tricyclic antidepressants and phenothiazines? A- Excessive salivation B- Orthostatic hypotension C- Seizures D- Weight loss Q- Which of the following medications is useful to distinguish nephrogenic from neurogenic diabetes insipidus? A- Acetazolamide B- Demeclocycline C- Desmopressin D- Hydrochlorothiazide Q- Which of the following drugs is … Read more
Q- A study found that incidence of lung cancer in smokers is 230/100,000 and in non-smokers is 71/100,000. What is the relative risk for smokers? A-2.3 B- 3.2 C- 71 D- 230 Q- A patient with cystic fibrosis is treated by gene therapy. Which of the following types of cells should be targeted as host … Read more
Q- A liposomal preparation of which one of the following medications may reduce the incidence of renal toxicity? A- Acyclovir B- Amphotericin B C- Ketoconazole D- Vancomycin Q- Which of the following medications is the most effective immunosuppressant in cases of organ transplantation? A- Azathioprine B- Cyclophosphamide C- Cyclosporine D- Vinblastine Q- Which of the … Read more
Q- A newborn infant presents with cleft palate and hypocalcemia. Genetic testing of the blood shows 22q 11.2 deletion. Which of the following is the most likely diagnosis? A- DiGeorge Syndrome B- Down syndrome C- Stickler syndrome D- Turner’s syndrome Q- A college student is brought to the ER for fever and agitation. Examination reveals … Read more
Q- Lidocaine is an effective antiarrhythmic because of which of the following mechanisms? A- It blocks alpha-receptors B- It block beta-receptors C- It prolongs QT interval D- It prolongs PR interval E- It suppresses excitability in ischemic areas of the heart Q- Outpatient prophylaxis of superior ventricular tachycardia (SVT) is best accomplished by which of … Read more