C2 Intro to Urinalysis

Question 1

How many ml of urine does the glomerulus filter a day?

Answer 1

170,000

Question 2

What organs forms urine as an ultrafiltrate of plasma?

Answer 2

kidneys

Question 3

What is the avg daily urine output?

Answer 3

1200 ml

Question 4

What percentage of urine is water? solutes?

Answer 4

95% water, 5% solutes

Question 5

What are the major inorganic solids dissolved in urine?

Answer 5

chloride, sodium, & potassium

Question 6

oliguria

Answer 6

decrease in urine

Question 7

anuria

Answer 7

absence of urine

Question 8

nocturia

Answer 8

increase in night-time urine

Question 9

polyuria

Answer 9

increase in day-time urine

Question 10

polydipsia

Answer 10

increase in water intake

Question 11

causes for specimen rejection

Answer 11

unlabeled, QNS, fecal contamination, improper storage/prolonged delays

Question 12

Urine specimen should be tested within ___ hours of collection if left at room temp

Answer 12

2

Question 13

If testing cannot take place within 2 hrs, urine should be?

Answer 13

refrigerated or chemically preserved

Question 14

If refrigerated, urine should be back at what temp before testing?

Answer 14

room temp

Question 15

Why is freezing urine avoided?

Answer 15

destroys cells

Question 16

random specimen

Answer 16

routine screening

Question 17

first morning specimen

Answer 17

routine screening, pregnancy tests, orthostatic protein

Question 18

24-hr/timed specimen

Answer 18

quantitative chemical tests

Question 19

catheterized specimen

Answer 19

bacterial culture

Question 20

midstream clean-catch specimen

Answer 20

routine screening, bacterial culture

Question 21

suprapubic aspiration specimen

Answer 21

bladder urine for bacterial culture

Question 22

three-glass collection specimen

Answer 22

prostatic infection