10.30: Renal Review II

Question 1

3 partes of UA?

Answer 1

“Urine analysis”

1. Appearance
2. Dipstick
3. Microscopy

Question 2

What to do if positive protein dipstick?

Answer 2

Should be quantified

Question 3

What to do if dipstick negative?

Answer 3

Microscopy

Question 4

What does high urine PH in face of metabolic acidosis mean?

Answer 4

• Renal tubular acidosis

- Tubules are having problems excreting acid

Question 5

What is very high urine PH indicative of?

Answer 5

Proteus

Question 6

What is specific gravity?

Answer 6

• Weight of urine relative to distilled water

- Reflects number and SIZE of particles in urine

Question 7

What does positive stick test for blood indicated?

Answer 7

• Heme is present: not necessarily RBC

- Could be hemoglobin or myoglobin

Question 8

What is urobilinogen in urine indicative of?

Answer 8

Liver failure

Question 9

What is bilirubin w/o urobilinogen indicative of?

Answer 9

Biliary obstruction

Question 10

What is leukocyte esterase in dipstick indicative of?

Answer 10

UTi or inflammation

Question 11

What does nitrite in urine indicated?

Answer 11

Bacterial infection: UTI

Question 12

When is microscopic exam needed?

Answer 12

If dipstick is positive

Question 13

What are red cell casts indicative of?

Answer 13

Acute glomerulonephritis