1.1 introduction to urinalysis

Question 1

Composition of urine?

Answer 1

95% water, 5% solutes

Question 2

Urine is an ultrafiltrate of plasma

T or F

Answer 2

T

Question 3

The most abundant organic component of urine?

Answer 3

Urea

Question 4

Most abundant inorganic component of urine?

Answer 4

Chloride

Question 5

Creatinine, uric acid, ammonia

a. Organic
b. Inorganic

Answer 5

a

Question 6

Sodium, Potassium, calcium
a. Organic
b. Inorganic

Answer 6

b

Question 7

Phosphates, sulfates:

a. Organic
b. Inorganic

Answer 7

b

Question 8

Daily output for random ranging from?

Answer 8

600-2000 mL/day

Question 9

Daily output for average ranges from

Answer 9

1200-1500 ml/day

Question 10

What is the Day and Night ratio?

Answer 10

2-3:1

Question 11

Abnormal increase in urine output

Answer 11

Polyuria

Question 12

A >_______/day indicates polyuria

Answer 12

2.5 L

Question 13

Polyuria is usually seen in Diabetic insipidus only

T or F

Answer 13

F

Can be seen in Diabetic mellitus due to osmotic diuresis

Question 14

Diabetes Mellitus: Decrease Specific gravity
Diabetes Insipidus: Increase Specific gravity

T or F

Answer 14

F

Baligtad

Question 15

Persistent decrease in urine output

Answer 15

Oliguria

Question 16

Urine output of an individual is less than _____,L/day indicating oliguria

Answer 16

<400

Question 17

Decrease in RBF and obstruction of renal blood flow

a. Polyuria
b. Oliguria
c. Anuria

Answer 17

b

Question 18

Total suppresion of urine production associated with severe acute nephritis

Answer 18

Anuria

Question 19

Excretion of >500mL urine at night

Answer 19

Nocturia

Question 20

Nocturia has a urine specific gravity that is?

Answer 20

<1.018

Question 21

Transitory increase in urine volume

Answer 21

Diuresis