Normal range of urea in 100 ml of human blood is

56-70 mg

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40-80 mg

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17- 30 mg

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4-16 mg

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Solution

The correct option is A 17- 30 mg
From the glomerular filtrate, most of the urea is excreted in urine but some quantity of urea is reabsorbed hence it is found in blood. Hence it is found in blood. The normal range of urea in 100ml of human blood is 17-30 mg
So, the correct answer is '17-30mg'.

Suggest Corrections

Marks	10−20	20−30	30−40	40−50	50−60	60−70	70−80	80−90	90−100
Number of Students	4	10	16	22	20	18	8	2	5