Ch 24 Test 2

Question 1

Most important excretory organ

Answer 1

Kidneys

Question 2

Kidney functions

Answer 2

Eliminate nitrog waste water electrolytes toxins drugs

Question 3

Urinary systems functions

Answer 3

Make urine
Store urine
Eliminate urine

Question 4

Bladder used for

Answer 4

Storage made of trans epithelium

Question 5

3 oarts kidney

Answer 5

Cortex medulla pelvis

Question 6

What brings blood to kidney

Answer 6

Renal artery

Question 7

When done where does blood empty from kidneys

Answer 7

inferior vena cava

Question 8

Kidneys- awetbed

Answer 8

Acud base
Water reg
Electrokyte

Bp

Question 9

Functional unit of kid ey

Answer 9

Nephr9n

1 million no more

Question 10

How many oarts ne9hron

Answer 10

2

Tubukar component - renal tubes
Vascular- blood vessels

Question 11

How is blood brouggt to kidney

Answer 11

Renal artery

Question 12

Where does blood go after entering kidney

Answer 12

Nephron units

Question 13

Howw many pricesses involved in formation of urine

Answer 13

Glomerular filtration
Tubukar reabsorption
Tubular secretion

Question 14

Where does urine formation begin

Answer 14

Glomerulus and bowmans capsule

Question 15

What percent blood through glomerukus goes to tubukes

Answer 15

20 the other 80 to eferent arterioles and oeritubukar capilaries

Question 16

Bp declines

Answer 16

Glomurular filteation pressure decrease urinary output decreasea

Question 17

Rate at which fiktration occurs

Answer 17

Glomerular filteation rate gfr

Question 18

How much filtrate formed

Answer 18

180 l 45 gals

Question 19

Hiw much urine excreted

Answer 19

1.5 l or 1500 ml

Question 20

Where does most reabsorption take place

Answer 20

Proximal convoluted tube

Question 21

What percent glucose reabsorbed

Answer 21

100

Question 22

Hyperglycemia

Answer 22

Excess glucose fiktered

Question 23

Excess glucose in urine

Answer 23

Glycosuria

Question 24

What percent water and sodium rwabsorbed

Answer 24

99 %

Question 25

Creatinine declines

Answer 25

Acumulates in plasma

Question 26

Excess secretion urine

Answer 26

Diuresis

Question 27

Tubukar secretion

Answer 27

Transport of k+h+ nh4+

Question 28

Reabsorption causes

Answer 28

Water and select substances to move from tubules to peritubukar capilaries

Question 29

Where is aldosterone secreted from

Answer 29

Adrenal cortex

Question 30

Aldoster9ne act on the

Answer 30

Distal tubule upper collecting duct

Question 31

What does aldosterone do

Answer 31

Reabsorbs sodium salt retaining hormone

Question 32

Aldosterine does what to blood volume

Answer 32

Increases it

Question 33

What does aldosterone do to bp

Answer 33

Increases it

Question 34

What causes release of aldosterone

Answer 34

Renin which is secreted when bp or blood volume declines

Question 35

What secretes renin

Answer 35

Juxtraglomerulus apparatus

Question 36

Steps angiotensing

Answer 36

1. Liver makes angioteninogen 2. Kidneys make renin 3. Angiotensinogen and renin meet up and become 4. Angio 1 5. Angio 1 meets up w converting enzyme released by lungs 6. Makes angio 2 7. Angio 2 (vasoconstriction now occurs. Then stimukates adrenal cortex to release aldosterone.

Question 37

Antidiuretic hormone

Answer 37

Kidneya to conce trate uri ADH DECREASES URINE EXCRETION ABSORBS WATER Determins permeabikity of water In presence of adh, water reabsorbed from collecting duct and oeritubukar capilaries

Question 38

Excess adh

Answer 38

Expanda blood volume

Question 39

Defislciency adh

Answer 39

Low blood volume

Question 40

What is the stimukus for adh release

Answer 40

Low blood volume concentrated plasma

Question 41

Adh

Answer 41

Does not reatin sodium only determines the membranes permeabikity to water

Question 42

Natriuresis

Answer 42

When anp and bnp cause excretion of sodium in response to increase blood volume

Question 43

Where does reabsorption take place

Answer 43

The pct 1.5 l a day reabsorbed

Question 44

What is in pct

Answer 44

Sodium water glucose