The commissural fiber to appear first embryologically.

In an unvaccinated person, positive PPD skin test is necessarily indicative of

In a patient with Cushing syndrome, which of the following is unlikely to be seen in the adrenals?

The form of Cushing syndrome in which cortisol secretion is suppressed by low dose dexamethasone is

Butterfly appearance on gross examination:

Developmentally, which cranial nerve originates from the metencephalon but moves to the mesencephalon?

White matter is to gray matter, as

A 64-year-old diabetic undergoes coronary angiography. Baseline creatinine 1.0 mg/dL increases to 2.1 mg/dL at 48 hours. Urine microscopy shows muddy brown granular casts. Most likely diagnosis?

ICU patient with septic shock develops AKI.
FeNa >2%, muddy casts present. Primary mechanism?

Hypovolemic patient receives adequate fluids, yet oliguria continues and FeNa rises to 3%. What transition occurred?

A 45-year-old man with a history of alcohol-induced acute pancreatitis presents 6 weeks later with persistent epigastric fullness and early satiety. CT scan shows a 7-cm well-defined fluid collection adjacent to the pancreas with a mature wall. Next step?

A 38-year-old woman is found incidentally to have a 4-cm pancreatic pseudocyst 3 weeks after mild pancreatitis. She is asymptomatic. What is the most appropriate management?

During central venous catheter removal, a patient suddenly develops dyspnea and hypotension. What is the immediate first step in management?

During central venous catheter removal, a patient suddenly develops dyspnea and hypotension. What is the immediate first step in management?