Q- Which of the following types of receptors are associated with the slowest response time? A- G-protein coupled receptors B- Ion channel receptors C- Steroid receptors D- Transmembrane enzyme receptors Q- Which of the following tests would most likely indicates the etiology of vitamin B12 deficiency anemia? A- Complete blood count (CBC) B- Coomb’s test […]
Repeated USMLE Questions Step 1- 352
Q- Which of the following organisms is responsible for the development of oral hairy leukoplakia in HIV patients? A- Bartonella henselae B- Candida albicans C- Epstein-Barr virus D- Human papilloma virus Q- Which of the following pathological terms describes the disordered, non-neoplastic cell growth? A- Anaplasia B- Dysplasia C- Metaplasia D- Neoplasia Q- Which of […]
Repeated USMLE Questions Step 1- 351
Q- Which of the following laboratory tests could be slightly increased in Gilbert’s syndrome? A- Bilirubin, direct B- Bilirubin, indirect C- Haptoglobin D- Triglyceride Q- A neonate presents by renal failure and pulmonary hypoplasia. What is your diagnosis? A- Niemann-Pick disease B- Phenylketonuria C- Pompe disease D- Recessive polycystic kidney disease Q- Which of the […]
Repeated USMLE Questions Step 1- 350
Q- Which of the following conditions is considered a physiological change for normal pregnancy? A- Decreased blood volume B- Decreased body weight C- Decreased GI tone and motility D- Decreased respiratory tidal volume Q- A decrease of J chain due to a genetic defect will cause a decrease of the which of the following? A- […]
Repeated USMLE Questions Step 1- 349
Q- Which of the following agents reduce the blood levels of certain drugs through its action on hepatic P450 system? A- Grapefruit juice B- Guava juice C- Kava D- St. John’s wart Q- Which of the following is the most common cause of nasal obstruction and bleeding in adolescents? A- Angiofibroma B- Nasal cancer C- […]
Repeated USMLE Questions Step 1- 348
Q- Deficiency of the enzyme argininosuccinate in urea cycle leads to the accumulation of which one of the following? A- Arginine B- Argininosuccinate C- Citrulline D- Ornithine Q- Epinephrine acts on which one of the following receptors to constrict vascular smooth muscle? A- α1-Adrenoceptors B- α2-Adrenoceptors C- β1-Adrenoceptors D- β2-Adrenoceptors Q- Which of the following […]