LECTURE 1: Urine Composition

• 95% water

• 5% solute

Urine is composed of:

UREA

What is the major metabolic waste product of urine?

UREA

Is produced in the liver from the breakdown of proteins and amino acids.

UREA

Accounts for nearly half of the total dissolved solids in the urine.

CHLORIDE

Is the major inorganic solid dissolved in the urine. If the patient has formed elements.

1. Urea

2. Creatinine

3. Uric Acid

4. Hippuric Acid

5. Other substanceS

ORGANIC:

1. NaCl (Sodium chloride)

2. K (Potassium)

3. Sulfate

4. Phosphate

5. Ammonium

6. Magnesium

7. Calcium

INORGANIC:

UREA

Major metabolic waste in organic urine composition.

UREA

Product of protein and amino acid metabolism

CREATININE

Product of creatinine metabolism by muscles.

URIC ACID

Product of nucleic acid breakdown in food and cells

CHLORIDE

Primary INORGANIC component

CHLORIDE

Found in combination with sodium (table salt)

ORGANIC

Identify if its ORGANIC or INORGANIC:

Urea

ORGANIC

Identify if its ORGANIC or INORGANIC:

Creatinine

ORGANIC

Identify if its ORGANIC or INORGANIC:

Uric Acid

ORGANIC

Identify if its ORGANIC or INORGANIC:

Hippuric Acid

ORGANIC

Identify if its ORGANIC or INORGANIC:

Other substances

INORGANIC

Identify if its ORGANIC or INORGANIC:

Sodium Chloride (NaCl)

INORGANIC

Identify if its ORGANIC or INORGANIC:

Potassium (K)

INORGANIC

Identify if its ORGANIC or INORGANIC:

Sulfate

INORGANIC

Identify if its ORGANIC or INORGANIC:

Phosphate

INORGANIC

Identify if its ORGANIC or INORGANIC:

Ammonium

INORGANIC

Identify if its ORGANIC or INORGANIC:

Magnesium

INORGANIC

Identify if its ORGANIC or INORGANIC:

Calcium