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Questions and Answers for Medical Students- Immunology- 1

October 9, 2026 by Dr. Ray Makar

Five USMLE Step 1 immunology questions with answers and explanations: type I hypersensitivity, DiGeorge syndrome, chronic granulomatous disease, MHC, and transplant rejection.

Categories Basic Sciences, Immunology Tags immunology, medical questions, medical student, USMLE Leave a comment

Questions and Answers for Medical Students- Pediatrics- 1

October 8, 2026October 8, 2026 by Dr. Ray Makar
Strawberry tongue and red, cracked lips in Kawasaki disease

Five USMLE pediatrics questions with answers and explanations: Kawasaki disease, intussusception, pyloric stenosis, milestones, and neonatal jaundice.

Categories Clinical Sciences, Pediatrics Tags Clinical, medical questions, medical student, pediatrics, USMLE, USMLE Step 2 CK Leave a comment

Questions and Answers for Medical Students- Biochemistry- 1

October 8, 2026October 7, 2026 by Dr. Ray Makar
Diagram of glycogen structure showing alpha-1,4 chains and alpha-1,6 branch points

Five USMLE Step 1 biochemistry questions with answers and explanations: glycogen storage disease, thiamine, PKU, Lesch-Nyhan syndrome, and familial hypercholesterolemia.

Categories Basic Sciences, Biochemistry Tags biochemistry, medical questions, medical student, USMLE Leave a comment

Questions and Answers for Medical Students- Internal Medicine- 1

October 8, 2026October 6, 2026 by Dr. Ray Makar
12-lead ECG showing ST elevation in an inferior myocardial infarction

Five USMLE internal medicine questions with answers and explanations: inferior MI, DKA, Graves disease, COPD, and SIADH.

Categories Clinical Sciences, Internal Medicine Tags Clinical, internal medicine, medical questions, medical student, USMLE, USMLE Step 2 CK Leave a comment

Questions and Answers for Medical Students- Physiology- 1

October 8, 2026October 5, 2026 by Dr. Ray Makar
Diagram of nephron physiology showing reabsorption and secretion along the tubule

Five USMLE Step 1 physiology questions with answers and explanations: high altitude, baroreceptor reflex, renal sodium handling, the oxygen-hemoglobin curve, and GI hormones.

Categories Basic Sciences, Physiology Tags medical questions, medical student, physiology, USMLE Leave a comment

Questions and Answers for Medical Students- Microbiology- 1

October 8, 2026October 5, 2026 by Dr. Ray Makar
Encapsulated Cryptococcus neoformans yeast on India ink stain

Five USMLE Step 1 microbiology questions with answers and explanations: bacterial toxins, culture media, fungal meningitis, bacterial genetics, and viral rashes.

Categories Basic Sciences, Microbiology Tags medical questions, medical student, microbiology, USMLE Leave a comment
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By Dr. Ray Makar

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