9. Urinary system

Question 1

how do we control acid-base balance

Answer 1

• blood buffers
• respiratory system
• bicarbonate ion exchange in kidneys

Question 2

how do we control water balance in the body

Answer 2

through reabsorption of ions, urine output.

-renin produces aldosterone which acts on the tubules to increase sodium reabsorption

Question 3

urines pH

Answer 3

slightly acidic and usually around 6- it is sterile

Question 4

if theirs too much acid in the blood we secrete what?

Answer 4

hydrogen

Question 5

why do we reabsorb amino acids?

Answer 5

for the kidneys

Question 6

why do we reabsorb ions- bicarbonate, hydrogen ions, and potassium ions and salt ?

Answer 6

plays a role in water balance.

Question 7

why do we reabsorb glucose

Answer 7

for energy, to maintain blood glucose levels.

Question 8

incontinence means:

Answer 8

the inability to hold urine. usually a probem with the voluntary sphincer. It is usually a nervous system problem in anyone over the age of 2. Emotional or food elated sensitivities, lesions or lack of tone

Question 9

urinary retention

Answer 9

the blockage or inability to release urine- tumor, enlarged prostate, stone..

Question 10

4 processes of the kidney

Answer 10

1. filter- RBC production
2. Secrete- water balance, acid base balance
3. Reabsorb- water balance, acid base balance,
4. excrete- urine