X A&P - Chp 22 - The Urinary System

Question 1

Aldosterone

Answer 1

a steroid hormone secreted by the adrenal glands. Aldosterone serves as the principal regulator of the salt and water balance of the body

Question 2

Mineralocorticoid

Answer 2

are a class of steroid hormones characterized by their influence on salt and water balances. The primary mineralocorticoid is aldosterone

Question 3

Functional unit of the kidney

Answer 3

Nephron

Question 4

Diuresis

Answer 4

Increased excretion of urine, mostly when taking diuretic which prevents loss of Na which H2O will follow. stops that so patient urinates more

Question 5

Juxtaglomerular Apparatus (JGA)

Answer 5

cells between Afferent and Efferent arterioles, that sense BP and release Renin to start process of water retention.

Question 6

Osmostic

Answer 6

draws , attracts H2O

Question 7

Oncotic

Answer 7

high in protein, attracts H2O

Question 8

RAAS

Answer 8

Renin, Angiotensin I/II, Aldosterone System

system stimulated by JGA at low bp

Question 9

How Angiotensin I become II?

Answer 9

ANG I encounters ACE (angiotensin converting enzyme) to become Angiotensin II

Question 10

Angiotensin II

Answer 10

powerful vasoconstrictor

Question 11

Aldosterone function

Answer 11

absorbs Na and therefore H2O in blood to increase BP.

Question 12

Passive Immunity

Answer 12

someone else gives it to you

Question 13

Active immunitiy

Answer 13

my body creates antibodies

Question 14

plasma cells

Answer 14

also called plasma B cells, plasmocytes, and effector B cells, are white blood cells that secrete large volumes of antibodies. They are transported by the blood plasma and the lymphatic system. Like all blood cells, plasma cells originate in the bone marrow; however, these cells leave the bone marrow as B cells, before terminal differentiation into plasma cells, normally in lymph nodes.

Question 15

What stimulates production of Erythropoeitin?

Answer 15

decreased O2 stimulates KIDNEY to produce the hormone.