Urine Character and Output

Question 1

There are many non-disease related factors that affect urine volume. Name a few.

Answer 1

Fluid Intake
External losses (respiratory and GI)
Environmental Temperature
Humidity
Amount & Type of Food
Level of Physical Activity
Size & Species of Animal

Question 2

What are some normal causes of Oliguria?

Answer 2

-Restricted access to water
-Increased environmental temperature causing excess loss through the repiratory system.

Question 3

What are some abnormal causes of Oliguria?

Answer 3

-Acute Nephritis
-Fever
-Shock
-Heart Disease
-Dehydration

Question 4

What are some causes of Anuria?

Answer 4

1. Complete Urethral Obstruction
2. Urinary Bladder Rupture
3. Renal Shutdown

Question 5

What are some clinical signs that accompany polyuria?

Answer 5

-Pale or light yellow urine
- Low specific gravity
- Polydipsia (increased thirst)

Question 6

What are some pathologic causes of Polyuria?

Answer 6

-Nephritis
-Diabetes Mellitus
- Diabetes Insipidus
- Pyometra
-Liver disease

Question 7

What meds can cause polyuria?

Answer 7

Diuretics, Corticosteroids, and Fluids

Question 8

What usually accompanies colorless urine?

Answer 8

Low usg and polyuria

Question 9

What usuallu accompanies dark yellow- brown urine?

Answer 9

High usg and oliguria

Question 10

What causes yellow-brown to green foamy urine

Answer 10

bile pigments

Question 11

What is the usual cause of red- red-brown urine

Answer 11

RBC/ hematuria
hemoglobin/ hemoglobinuria

Question 12

What is a possible cause of brown urine

Answer 12

myoglobin/ myoglobinuria usually indicates muscle lysis