Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
What 4 things does the kidneys regulate during homeostasis?
|
* blood volume
* " " composition * removal of metabolic waste * controls blood PH * production of hormones |
|
|
What is the structural and functional unit of the kidney?
|
nephron
|
|
|
What do the 2 million nephrtons of the Kidney's produce?
|
urine
|
|
|
Filtration reabsorbtion and secreation are the function of what in the Kidney?
|
nephron
|
|
|
Small molecules moving from the Glomerulus into the capsuleis called?
|
filtration
|
|
|
Filtration occurs across the?
|
filtration membrane
|
|
|
The filtration membrane is a very permiable?
|
capillary wall
|
|
|
What 2 thing are not filtered
|
RBCs
lg plasma protiens |
|
|
Name 5 things that cross the filtration membrane?
|
*H20
*glucose *sm. protiens/amino acids *nitrogenous wastes *Ions |
|
|
What are the 2 nitrogenous wastes
|
urea
uric acid |
|
|
Urea and uric acid come from the break down of what 2 diff. molecules respectively?
|
amino acids
nucleic acids |
|
|
What 4 main ions cross the filtration membrane?
|
Na+
Cl- K+ H+ |
|
|
What is the movement of the molecule from the nephron tubules back into the paritubular capillaries called?
|
reabsorbtion
|
|
|
What is reabsorbed?
|
H2O
glucose small protiens Ions |
|
|
What 2 hormones control the reabsorbtion of water?
|
Aldosterone
Antidiuretic hormone |
|
|
Aldosterone is produced by?
Antidiuretic hormone(ADH) is produced by? |
Adrenal Cortex
Posterior Pituitary |
|
|
Which hormone works by stimulating the reabsorbtion of the Na which causes water to fallow, for homeostasis effects?
|
Aldosterone
|
|
|
What hormone decreases urine volume by stimulating the reabsorbtion of water in the convoluted tubules making them more permiable to water
|
Antidiuretic hormone (ADH)
|
|
|
A decrease in water in the body increases what levels?
|
ADH
|
|
|
The movement of molecules from the peritubular capillaries into mainly the Lop of Henle and the Distal convoluted tubule is called ?
|
secreation
|
|
|
What ions are in the waste seceations from the cells of the peritubular capillaries?
|
H+
K+ |
|
|
Urine normal PH?
|
5-7.8
|
|
|
Urine normal output in pints?
|
3pints per day
|
|
|
What diuretics can increase urine volume?
|
medications
foods caffine |
|
|
What does an increase in body temp do to urine output?
|
deceases it
|
|
|
Emotions can do what to urinr production?
|
increase it
|
|
|
Kidneys detect O2 level and increase or decrease what hormone?
|
erythropoietin
|
|
|
Increased Erythropoietin increases?
Where? |
RBC production in the red bone marrow and the spongy bone
|
|
|
What enzyme is produced by the juxtaglomerular apparatus located near the afferent arteriole and distal tubules?
|
renin
|
|
|
What does renin activate?
|
Renin Angiotensin pathway
|
