Gastroenterology — Flashcards

Flashcard 1401: A secretin stimulation test is positive if gastrin levels _____ after administration of secretin

Answer: Increase (paradoxically)

Extra: In normal individuals, secretin inhibits gastrin release from G cells. In Zollinger-Ellison syndrome, secretin paradoxically stimulates gastrin release from gastrinoma cells. A positive test is usually defined as an increase in serum gastrin of >200 pg/mL.

Flashcard 1402: The staghorn calculi seen in struvite kidney stones may act as a nidus for _____ infection

Answer: urinary tract

Flashcard 1403: Symptoms of Coltivirus (Colorado tick virus) include fevers, vomiting, and _____

Answer: myalgia

Flashcard 1404: Infectious mononucleosis is associated with increased risk for _____ rupture

Answer: splenic

Flashcard 1405: Is pemphigus vulgaris associated with a positive Nikolsky sign (separation of epidermis with manual stroking of skin)? _____

Answer: Yes

Flashcard 1406: Gastric MALTomas may regress with treatment of _____

Answer: H. pylori

Flashcard 1407: How does gastrin secretion change with Zollinger-Ellison syndrome? _____

Answer: Very increased

Flashcard 1408: Binge eating disorder is associated with increased risk for obesity and _____

Answer: diabetes mellitus

Flashcard 1409: What cause of viral gastroenteritis is more commonly seen in adults?_____

Answer: Norovirus

Flashcard 1410: Gastroesophageal reflux disease (GERD) may present with chronic cough and adult-onset _____

Answer: asthma