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Physiology

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Central Nervous System

Question
4 out of 10
 

Normal pressure of CSF in adult is: (Latest Questions)



A 6-l2mmHg (50-l80mmH2O)

B 10-l2mmHg

C 1-6mmHg

D 9-lOmmHg

Ans. A 6-l2mmHg (50-l80mmH2O)

Composition of CSF

Osmolarity 292-297 mOsm/L Q

Sodium 137-145 mmol/L (1 37-145 mEq/L) Q

Potassium 2.7-3.9 mmol/L(2.7-3.9 mEq/L)

Calcium 1.0- 1.5 mmol/L(2.1 – 3.0 mEq/L)

Magnesium 1.0-1.2 mmol/L(2.0-2.5 mEq/L)

Chloride 116-122 mmol/L(1 16-122 mEq/L)

CO2 content 20-24 mmol/L(20-24 mEq/L

PCO2 6-7 kPa (45-49 mmHg)

PH 7.31-7.34

GLUCOSE 40-70 mg/dL Q

Lactate 10-20 mg/dL

TOTAL PROTEIN 20-50 mg/dL

CSF pressure 50-180 mm H2O Q

CSF volume (adult) About 150 mL Q

TOTAL LEUKOCYTES <5 per mL Q

Lymphocytes 60-70 percent

Monocytes 30-50 percent

Neutrophils None