Free Questions and Answers for All Medical Students all over the World
Q- A 32-year-old man presents with dry mouth, blurred vision, and urinary retention after taking an over-the-counter cold medication. Which component is most likely responsible for these symptoms? A- Dextromethorphan B- Diphenhydramine C- Guaifenesin D- Phenylephrine Q- A 45-year-old woman treated with methimazole for hyperthyroidism develops fever and sore throat. What is the most … Read more
Q- A 3-year-old boy has recurrent infections, thrombocytopenia, and eczema. Labs show prolonged bleeding time and low IgM. Which mutation is most likely responsible? A-Adenosine deaminase deficiency B-Bruton tyrosine kinase mutation C-CD18 gene defect D-WASP gene mutation Q- A newborn has a continuous machinery-like murmur. What embryologic structure failed to close? A-Bulbus cordis B-Ductus … Read more
Q- A 40-year-old man is treated with chloramphenicol for a severe infection. Later, he develops pancytopenia. What is the most likely mechanism of this adverse effect? A- Immune-mediated hemolysis B- Irreversible aplastic anemia C- Megaloblastic anemia due to folate deficiency Q- A 70-year-old woman with hypertension and type 2 diabetes is started on a … Read more
Q- A patient who was involved in a motor vehicle accident 2 years ago now has chronic pain. He tells his doctor he thinks he is becoming addicted to his short-acting morphine. He has been visiting multiple physicians to obtain prescription refills. Which of the following is the most appropriate treatment for his opioid use … Read more
Q- A patient taking haloperidol develops muscle rigidity, high fever, and confusion. What is the best initial management step? A- Administer dantrolene B- Give epinephrine C- Start propranolol D- Stop the antipsychotic . Q- A 25-year-old man presents with tremors, tachycardia, and anxiety after taking an excessive amount of caffeine. Which of the following … Read more
Q- A 55-year-old woman presents with multiple café-au-lait spots and soft, pedunculated skin tumors. Which genetic defect is associated with this condition? A- Deletion of chromosome 22q B- Mutation of the RB tumor suppressor gene C- Mutation of the NF1 tumor suppressor gene D- Trinucleotide repeat expansion on chromosome 4 Q- A 30-year-old woman … Read more