Ch. 50 Terminology

Question 1

Aldosterone

Answer 1

secreted from adrenal cortex; Water regulation and affect how kidneys work

Question 2

ADH

Answer 2

made in hypothalamus; stored in posterior pituitary. Moves to kidneys to help regulate H2O

Question 3

Carbonic anhydrase

Answer 3

enzyme that speeds up the combining of CO2 and water to form carbonic acid. Carbonic acid dissociates into H molecule the bicarb. H molecule makes urine acidic (acidity kills the bacteria–> prevents UTI). Bicarb stored or later use. Aldosterone–> from adrenal cortex. Holds onto Na, H20, and excretes K+.

Question 4

filtration

Answer 4

filters substances through kidneys

Question 5

nephron

Answer 5

functional unit of kidneys. If they die off, kidney function declines.

Question 6

reabsorption

Answer 6

body taking back some filtered items and putting back into circulation

Question 7

Renin-angiotensin-aldosterone system (RAAS)

Answer 7

occurs in kidneys

Question 8

Secretion

Answer 8

gets rid of substances