A 21-year-old pregnant woman visits her physician for a prenatal visit. Ultrasonography shows neural tube defects. The patient was not compliant with her medications. Assuming that the condition is caused by deficiency of a certain nutrient, which one of these abnormalities would be seen as well? A-Coagulation disorder B-Microcytic anemia C-Macrocytic anemia D-Macrocytic anemia with […]
USMLE Step 1
Repeated USMLE Questions Step 1- 295
A 40-year-old woman complains of fatigue, headache and generalized pain for 9 months. She presented to the clinic several times and had multiple negative workups. Her pain started as localized to her head, neck and shoulder but now it is generalized. On physical examination, there are multiple points of tenderness on bony prominences. What is […]
Repeated USMLE Questions Step 1- 294
A 33-year-old butcher comes to the clinic because he developed eye problems. On taking history, the patient states that he eats raw hamburgers in a regular basis. The physician orders Sabin-Feldman dye test and the results come back positive. Which is the most likely cause of this patient’s condition? A- Giardiasis B- Schistosomiasis C- Trichinosis […]
Repeated USMLE Questions Step 1- 293
A 14-year-old student is brought to the emergency room complaining of severe abdominal pain. Diagnostic tests reveal high serum levels of δ-aminolevulinate and porphobilinogen and low level of uroporphyrinogen I synthetase in urine. Given the above test results, which of the following symptoms would be presented in this case? A- Hypotension B- Polyphagia C- Neuropsychiatric […]
Repeated USMLE Questions Step 1- 292
A 35-year-old man comes to the clinic complaining of myalgias and fever. Two weeks ago, he had experienced a brief, self-limited spell of diarrhea after going to a barbecue party. After that, there were no more symptoms and the patient remained asymptomatic. Yesterday evening, he developed fever of 103 F (39.4oC), severe muscle pain, and […]
Repeated USMLE Questions Step 1- 291
A 49-year-old man who is recently diagnosed with hypertension and has a history of bronchial asthma and Raynaud syndrome visits his physician for initiation of his treatment plan. In selecting the appropriate antihypertensive drug, which of the following is the best treatment for this patient? A-Atenolol B-Captopril C-Diltiazem D-Metoprolol E-Verapamil Answer A calcium channel blocker […]