Page 66 - Practical Handout bio 2 mnu 2025_Neat

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

Serum and urine glucose level

In normal conditions:

✓ Fasting blood glucose level is 70-110 mg/dl.

✓ Postprandial blood glucose level is < 140 mg/dl.

✓ Absent in the urine, as the renal threshold level is > 180 mg/dl in

normal condition.

Sources of blood glucose: Fates of blood glucose:

1. Dietary carbohydrate. 1. Oxidation

2. Glycogenolysis 2. Glycogenesis

3. Gluconeogenesis 3. Lipogenesis

Examples of physiological changes in serum glucose concentration

Increased fasting glucose Decreased fasting glucose

concentration in: concentration in:

Normal pregnancy:

(mild hypoglycemia).

Severe hypoglycemia occurs in
Due to the increased adrenaline
normal neonates born to diabetic
level in the circulation:
mothers.
❖ Hard physical activity.
Within 2-4 hours postnatally, blood
❖ Strong emotions, e.g., fear.
glucose falls to the lowest level,

returning to the birth value in 3-5

days.

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