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Flashcards in Urinalysis Misc Deck (36)
0

What is the anatomy of the urimary tract?

Kidney, ureter, bladder, urethra

1

What are three functions of the lidney?

Eliminate metabolic wastes
Maintain balance of electrolytes and organic molecules
Produce important hormones

2

What are three hormones/vitamin that the kidneys produce?

Erythropoietin, renin, active Vit D3

3

What is glomerular filteration driven by?

High BP

4

What does glomerular filteration do?

Filters blood through semipermeable capillary membrane

5

What does the semipermeable capillary membrane do?

Allows passage of water and dissolved solutes of low molecular weight

6

Urine is made up of how much water?

95%

7

Urine is made up of how much ammonia?

0.05

8

Urine is made up of how much sulphate?

0.18

9

Urine is madeu up of p of how much phosphate?

0.12

10

Urine is made up of how much chloride?

0.6

11

Urine is made up of how much magnesium?

0.01

12

Urine is made up of how much calcium?

0.015

13

Urine is made up of how much potassium?

0.6

14

Urine is made up of how much sodium and creatinine?

0.1

15

Urine is made up of how much uric acid?

0.03

16

Urine is made up of how much urea?

2%

17

What happens to the majority of small molecules in glomerular filteration?

Are reabsorbed before they exit

18

What happens to 90% of filtered molecules?

Are reabsorbed in the renal tubule

19

Where are some molecules excreted as it moves through the renal tubule?

Glomerular filterate

20

Define specific gravity

Measures dissolved solids in urine

21

What is the specific gravity of distiller water?

1.000

22

Is it better for the urine to have a higher specific gravity or lower?

Higher

23

Define osmolality

Concentration of molecules in the urine

24

Define isothenuria

Same specific gravity as plasma (1.010-1.012)

25

Define hyposthenuria and hypersthenuria

Really dilute and really concentrated

26

Define azotemia

Increased Bun and creatinine

27

Define uremia

Urine in the blood aka azotemia

28

Define renal failure

Kidneys failing

29

Define pollakiruia

Frequent urination

30

Define polyuria

Increased amounts of urine

31

Define polydipsia

Increased thirst

32

Define oliguria

Decreased urine output

33

Define Anuria

Absence of urine

34

Define diuresis

Increased excretion of urine from medicinal means that promote urination

35

Define urolithiasis

Bladder stones