Protein digestion and absorption — Flashcards

Flashcard 1: An enteropeptidase deficiency will lead to diarrhea, failure to thrive, and edema (due to _____)

Answer: hypoproteinemia

Flashcard 2: _____ gland enzymes liberate vitamin B12 from animal-derived proteins

Answer: Gastric

Flashcard 3: Gastrin secretion is most stimulated by stomach _____

Answer: distention

Flashcard 4: Dipeptides and tripeptides are transported from the intestinal lumen into the cells by _____-mediated cotransport

Answer: H+

Flashcard 5: The _____ phase of gastric HCl secretion accounts for 30% of total HCl secreted

Answer: cephalic

Flashcard 6: Which renal tubular defect is associated with increased excretion of nearly all amino acids, glucose, HCO3-, and PO43- and all substances reabsorbed by the PCT_____

Answer: Fanconi syndrome

Flashcard 7: satiety

Answer: ventromedial area of the hypothalamus

Flashcard 8: What is the function of the area postrema?

Answer: Chemoreceptor trigger zone (CTZ) / Vomiting center

Extra: The area postrema is a circumventricular organ located in the medulla (floor of the 4th ventricle) that lacks a blood-brain barrier, allowing it to detect emetic toxins in the blood.

Flashcard 9: Give two cell types rich in rough endoplasmic reticulum (RER).

Answer: intestinal goblet cells, plasma cells

Flashcard 10: Is the plasma membrane symmetric or asymmetric?

Answer: asymmetric interior vs exterior asymmetric regionally on same side