Quiz 1

Question 0

What characteristics of urine make it prime for testing?

Answer 0

1. Readily available
2. Easily collected
3. Simple to test
4. Inexpensive
5. Contains information about the body’s major metabolic functions
6. Direct reflection of kidney function

Question 1

What is urinalysis?

Answer 1

Study of urines

Question 2

What reasons are there to perform a urinalysis?

Answer 2

1. Gives overview of the patient’s general health
2. Aids in disease diagnosis
3. Used to screen asymptomatic patients for undetected disorders
4. Monitor disease progress and therapy effectiveness
5. Information on state of kidney and urinary tract
6. Information on metabolic and systemic disorders

Question 3

How often is urine formed by the kidneys?

Answer 3

Continuously

Question 4

What is urine composed of?

Answer 4

95% water and 5% solutes

Question 5

What influences urine composition?

Answer 5

Dietary intake
Physical activity
Body metabolism
Endocrine function
Body position
State of kidney

Question 6

Where is urea produced?

Answer 6

The liver

Question 7

What is urea?

Answer 7

Principle normal organic substance in urine

**Primary waste product of protein and amino acid metabolism

Question 8

What percentage does urea amount to of the total dissolved solids in urine?

Answer 8

About half

Question 9

Chloride

Answer 9

Major inorganic solid dissolved in urine in the form of NaCl or KCl

Question 10

Creatinine

Answer 10

From creatine which is nitrogenous substance from muscle tissue

Question 11

Uric Acid

Answer 11

Catabolism of nucleic acids in food and cell destruction/kidney stones

Question 12

What other solutes are found in urine?

Answer 12

• Sodium
• Potassium
• Hormones, vitamins, medications
• Formed elements (cells, casts, crystals, mucus, bacteria)

Question 13

Normal average adult urine output

Answer 13

1200-1500 ml/day