Page 30 - Practical Handout bio 2 mnu 2025_Neat

Level two – Semester 4 - PharmD Biochemistry-II PB-403 (Practical course) 2024/2025

Urine analysis

A) Urine Composition and physical characters

Urine Composition:

Water Total solids

50 g/day

Inorganic
Organic salts
salts

15 g/day 35 g/day
1-2
❖ CHO
L/day
❖ proteins

e.g. NaCl ❖ acids

❖ non-protein nitrogenous compounds: urea,

uric acid, creatine, and creatinine
N.B:

1- Urea & uric acid are the main solids excreted in urine.

2- Solids must be hydrated to be excreted so withdraw water from the

body →  solids →  rate of urination.

1. Volume
2. Odor
Physical
3. Color
characteristics of
4. Aspect and Sediment
urine:
5. pH

6. Specific gravity

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