Part 8

Question 1

Renal mechanisms of acid base balance

Answer 1

-Excrete bicarbonate ions if needed
- conserve or generate new bicarbonate ions if needed
-urine pH varies from 4.5 to 8.0

Question 2

Development aspects of the urinary system

Answer 2

Functional kidneys developed by 3rd month
urinary system of newborn
-bladder is small
-urine cannot be concentrated
Control of the voluntary urethral sphincter doe not start until 18 months
Urinary infections are the only common problems before old age

Question 3

Aging and the urinary system

Answer 3

There is a progressive decline in urinary function
The bladder shrinks with aging
Urinary retention is common in males