Magnesium handling — Flashcards

Flashcard 1: Constipation, polyuria, polydipsia, lethargy, and hyporeflexia are signs of which calcium imbalance? _____

Answer: Hypercalcemia

Flashcard 2: Mg2+ is reabsorbed in the thick ascending limb (on Henle) via a _____ route

Answer: paracellular

Flashcard 3: In addition to Na+, what two other ions are reabsorbed through the lumen of the thick ascending limb? _____

Answer: K+, Cl- (Na+-K+-2Cl- cotransporter)

Flashcard 4: The bulk of Mg2+ reabsorption occurs in the _____ (60%)

Answer: thick ascending limb (of Henle)

Flashcard 5: What drives Mg2+ reabsorption in the thick ascending limb (of Henle)?_____

Answer: Lumen-positive potential difference

Flashcard 6: The outer rim of the islet of Langerhans contains mostly _____ cells

Answer: alpha

Extra:   https://onlinemeded.org/spa/surgery-general/pancreas/acquire?ref=anki Atlas: 

Flashcard 7: The [TF/P]glucose and [TF/P]AA ratios _____ over the course of the PCT

Answer: decrease

Extra:   https://onlinemeded.org/spa/renal?ref=anki 

Flashcard 8: The corticopapillary osmotic gradient is established, in part, by _____ multiplication

Answer: countercurrent

Extra:  https://onlinemeded.org/spa/nephrology?ref=anki 

Flashcard 9: The Na+ reabsorption mechanism of the thick ascending limb is _____-dependent (increased Na+ delivery causes increased reabsorption)

Answer: load

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/nephron-transporters?index=4] https://onlinemeded.org/spa/renal?ref=anki 

Flashcard 10: Glomerulotubular balance describes a balance between filtration in the _____ and reabsorption in the _____

Answer: glomerulus

Extra:   https://onlinemeded.org/spa/renal?ref=anki