Gastroenterology — Flashcards

Flashcard 111: How is Pasteurella multocida most commonly transmitted? _____

Answer: Dog or Cat bites

Flashcard 112: In addition to Ceftriaxone for Gonorrhea, what other possible co-infection should you treat? _____

Answer: Chlamydia

Flashcard 113: Achlorhydria can result in abdominal discomfort, diarrhea, malabsorption, _____ anemia and infections by vibrio species

Answer: iron deficiency

Flashcard 114: Osteoporosis is characterized by _____ serum Ca2+

Answer: normal

Extra: Atlas:

Flashcard 115: One cause of _____ anemia is lack of intrinsic factor, which leads to vitamin B12 deficiency

Answer: pernicious

Extra: * intrinsic factor needed to absorb vitamin B12 (cobalamin) in the intestine - Due to lack of intrinsic factor/B12 absorption (terminal ileum) - Presents as macrocytic, megaloblastic anemia - autoimmune destruction of parietal cells (chronic autoimmune gastritis) leads to intrinsic factor deficiency - other causes include gastrectomy (no IF), veganism, alcoholism, Crohn's disease (terminal ileum), ileal resection, blind loop syndrome, Diphyllobothrium latum

Flashcard 116: Achalasia is characterized by disordered esophageal motility due to inability to relax the _____ esophageal sphincter

Answer: lower

Flashcard 117: What is the most common cause of vitamin B12 deficiency? _____

Answer: Pernicious anemia

Extra: Other: - other causes include gastrectomy (no IF), veganism, alcoholism, Crohn's disease (terminal ileum), ileal resection, blind loop syndrome, Diphyllobothrium latum

Flashcard 118: Secondary lactase deficiency occurs due to loss of the intestinal _____

Answer: brush border

Flashcard 119: Which hormone-secreting pancreatic tumor is associated with necrolytic migratory erythema? _____

Answer: Glucagonoma

Flashcard 120: _____ may present with lymphadenopathy and hepatosplenomegaly due to infiltration by monoclonal B cells

Answer: Waldenstrom macroglobulinemia