Uworld - Medicine #2

Question 1

Which pathology is characterized by short, annular strictures alternating with a normal bile duct (“beads on a string”) visible on U/S?

Answer 1

Primary sclerosing cholangitis

Question 2

What is Charcot’s triad for acute cholangitis and what is Reynolds pentad?

Answer 2

• Fever + jaundice + RUQ pain = triad

- Confusion + hypotension = pentad

Question 3

What is the major cause of death within the first 24 hours of subarachnoid hemorrhage?

Answer 3

Rebleeding

Question 4

What is the major cause of delayed morbidity 3-10 days after a subarachnoid hemorrhage?

Answer 4

Vasospasm

Question 5

Which drug can be used prophylactically to prevent vasospasm following a subarachnoid hemorrhage?

Answer 5

Nimodipine

Question 6

Why may ferritin be elevated in anemia of chronic disease (microcytic anemia)?

Answer 6

Is an Acute Phase Reactant

Question 7

What is the most common psychiatric complication assoc. with multiple sclerosis?

Answer 7

Depression

Question 8

What is the appropriate antibiotic to use for inpatient management of acute pyelonephritis in patients who live in communities with fluororquinolone resistance or if tx fails?

Answer 8

Meropenem

Question 9

What is the tx for Guillain-Barre syndrome?

Answer 9

IVIG or Plasma Exchange

Question 10

Low levels of which mineral is a common cause of refractory hypokalemia due to renal potassium wasting?

Answer 10

Hypomagnesemia

Question 11

Which cause of jaundice is associated with a black liver on MRI?

Answer 11

Rotor’s = conjugated hyperbilirubinemia