Urinary - Developmental Aspects Flashcards
1
Q
How many times does a newborn void a day? Why?
A
5 to 40x
Urine cannot be concentrated
2
Q
How much does a 4 month old void compared to adult?
A
4 month old = 400 mL
Adult = 1500 mL
3
Q
When does a child develop voluntary control of urethral sphincter
A
18 months (2 years)
4
Q
What happens to filtration as we age?
A
Rate decreases and tubule cells become less efficient at concentrating urine, leading to urgency, frequency and incontinence
