<prompt> All of the following are true about prostate specific antigen except -Normal level is 10-14 ngmlIt may Elavated in BPH and Ca ProstateIt is produced by prostateIt is a glycoprotein  <response>: Ans. is a i.e., Normal level is 10-14 ngml Prostate specific antigeno It is a glycoprotein produced only in the prostatic cells both benign malignant. It facilitates liquefaction of semen.o It is neither sensitive nor specific for early prostate carcinoma it is prostate specific and not prostate cancer specific, nevertheless it gives some help in making a diagnosis. Normal serum level - less than 4 ngml 4 - 10 ngml - this range is common for both BHP and Ca. More than 10 ngml - approx 75 will have cancer. 