Exam 34: Male Reproductive System

What reproductive duct has thick,muscular walls and can be palpated in the scrotal sac as a smooth,movable cord?

Sperm may remain in the vas deferens for over 3 weeks with no loss of fertility.

The sustentacular cells produce and secrete testosterone.

The urogenital triangle of the perineum contains the penis and scrotum.

The PSA test is used in the detection of prostate cancer.

The dartos and cremaster muscles contract in response to both cold temperatures and sexual arousal.

Match each of the terms with its corresponding definition. -male gonads

Emission is always followed by ejaculation.

Match each of the terms with its corresponding definition. -another name for Cowper gland

Sertoli cells form tight junctions that divide the wall of the seminiferous tubule into four compartments.

What is cryptorchidism? Explain the potential effect of it when not corrected.

A vasectomy involves severing the ejaculatory ducts.

Mechanical support and protection for developing germ cells in the testis are provided by:

If the anabolic steroid testosterone is taken at a young age,the epiphyses of the bones will continue to grow and the person will grow taller.

Functionally,the scrotum is necessary to ensure the testes can be maintained at a slightly higher temperature than normal body temperature.

The urethra passes through an opening in the prostate gland.

The cylindrical middle piece of a sperm provides the sperm with energy for locomotion.

The tightly coiled tube of the epididymis measures _____ feet in length.

The corpus spongiosum of the penis contains the male urethra.

When baby Steven was born,the pediatrician discovered that Steven's left testicle had not descended into the scrotum.If the situation is not corrected soon,might the baby be sterile or impotent and why or why not?