Repeated USMLE Questions Step 1- 301

A 52-year-old man who is recently diagnosed with gout is presented to his physician to discuss his treatment plan. One of the treatments that will be taken is allopurinol. Which of these enzymes is targeted by this medication? A-Hypoxanthine guanine phosphoribosyltransferase B-Phosphoribosylpyrophosphate synthase C-Guanase D-Xanthine oxidase Answer Allopurinol is used to treat chronic gout due … Read more

Repeated USMLE Questions Step 1- 300

A 45-year-old woman working as a secretary visits her physician complaining of tingling and numbness in her hands. Upon conducting a physical examination, the doctor finds that the patient also has decreased sensation in all her fingers, except for the fifth digit. Keeping these in mind, which of the following muscles is usually weakened in … Read more

Repeated USMLE Questions Step 1- 299

A 3-month-old baby is recognized to have a horseshoe kidney. In this case, which of the following structure is known to prevent this abnormally shaped kidney from occupying the correct position? A- Abdominal aorta B- Celiac trunk C- Inferior mesenteric artery D-Superior mesenteric artery Answer A horseshoe kidney is a resultant of a condition where … Read more

Repeated USMLE Questions Step 1- 298

A 56-year-old man presents to the clinic due to recurrent attacks of severe pain in his right big toe for the last few weeks. During the attacks, his toe becomes painful, red, warm and swollen. Significant improvement occurs after treatment with colchicine. Synovial fluid analysis is performed to confirm the diagnosis. What is the most … Read more

Repeated USMLE Questions Step 1- 297

A 4-year-old boy visits you in the clinic with his mother for evaluation of an increasing size of his genitalia. She tells you that her boy had aggressive behavior for the last six months. Besides progressive increase of the length of his penis, he has excessive pubic hair. On examination, his pulse is 80/min. and … Read more