Renal — Flashcards

Flashcard 101: In SIADH, the atria and ventricles release ANP and BNP, further contributing to urinary excretion of _____

Answer: sodium

Flashcard 102: 25-OH vitamin D3 is converted to 1,25 (OH)2 vitamin D3 in cells of the _____ of the nephron

Answer: PCT

Flashcard 103: Stimulation of hypothalamic osmoreceptors stimulates _____ and secretion of ADH

Answer: thirst

Flashcard 104: The _____ center in the cerebral cortex regulates the pontine and sacral micturition centers

Answer: medial frontal micturition

Flashcard 105: Fluid secretion in the GI tract occurs when the _____ is stimulated, activating adenylyl cyclase, increasing cAMP production and opening the CFTR channel allowing Cl- ion secretion

Answer: Gs protein

Flashcard 106: In the collecting duct, [TF/P]osm _____ 1 (high ADH)

Answer: >

Flashcard 107: A hyper-osmotic disturbance refers to an increase in _____ osmolarity

Answer: ECF

Extra: * net gain of osmoles -> ECF expands; ICF contracts Other: Goljan

Flashcard 108: The thick ascending limb (loop of Henle) is also known as the _____ segment

Answer: diluting

Flashcard 109: Intracellular fluid comprises _____ of total body water

Answer: two-thirds

Flashcard 110: Both central and nephrogenic diabetes insipidus are characterized by serum osmolality _____ 290 mOsm/kg

Answer: >