Urine Flashcards
1
Q
The maximum absorptive capabilities of the Nephron for specific substances
A
Renal threshold
2
Q
What regulates urine volume?
A
hormone control
3
Q
Which hormone is released from the Posterior Pituitary and acts on Collecting Ducts to promote the reabsorption of water?
A
ADH
4
Q
Which hormone is secreted by the Adrenal Cortex to regulate reabsorption of sodium ions?
A
Aldosterone
5
Q
Decreased urine production
A
Oliguria
6
Q
Increased urine production
A
Polyuria
7
Q
No urine production
A
Anuria
8
Q
Analyzing urine within 30 min to 1 hr of collection avoids what two undesirable problems
A
Post collection artifacts and degenerative changes
9
Q
How long is refrigeration effective for
A
6-12 hrs
10
Q
What changes does refrigeration cause to a urine sample
A
- crystal formation
-decreased glucose and bilirubin - increased pH
11
Q
3 parts of a complete urinalysis
A
- physical
- chemical
- microscopic
