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Chapter 16: Problem 16

Semen does not contain a. prostate fluid. b. urine. c. fructose. d. prostaglandins. e. Both b and d are correct.

Short Answer

Expert verified
Urine is not a component of semen.

Step by step solution

01

Option a: Prostate fluid

Prostate fluid is indeed a component of semen, making up about 20-30% of its volume. It is released by the prostate gland, which plays a vital role in preparing sperm for fertilization. Therefore, option a is not the correct answer.
02

Option b: Urine

Urine is not a component of semen. Semen is composed of sperm and various other fluid secretions, primarily from the seminal vesicles, prostate gland, and bulbourethral glands. Urine is produced by the kidneys and excreted through the urethra, which is separate from the ducts that carry semen. Thus, option b could be the correct answer.
03

Option c: Fructose

Fructose is present in semen as it acts as an energy source for sperm cells. It mainly comes from the seminal vesicles, which contribute to about 60-70% of the volume of semen. Therefore, option c is not the correct answer.
04

Option d: Prostaglandins

Prostaglandins are hormone-like substances found in semen, playing various roles in the reproductive process, such as helping sperm to move more effectively through the female reproductive tract and promoting the survival of sperm outside the male body. They are primarily synthesized in the seminal vesicles. Thus, option d is not the correct answer.
05

Option e: Both b and d are correct

As we have already established that prostaglandins are indeed a component of semen, this option is not correct either. Based on our analysis, the correct answer is:
06

Answer

b. Urine

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