Question

Normal range of urea in 100 mL of human blood is

• A. $4-16$ mg
• B. $6-20$ mg
• C. $56-70$ mg
• D. $40-80$ mg

Answer 1

The correct option is B $6-20$ mg

Urea

Urea is a compound which helps in the removal of toxic ammonia from the body. Ammonia is converted into urea in the liver of human body and is transferred to kidney by blood for removal from the body. Normal range of urea in $100$ mL of human blood is $6-20$ mg.

Final answer

(C) $6-20$ mg