Exam 4: Male Sexual Anatomy, Physiology, and Response

________ is the hormone that increases sperm motility in men?

Describe the main functions of the male sex organs.

How is the male sexual response both similar to and different from the female sexual response?

The refractory period for all men ranges between 1 and 2 days.

Which of the following male structures is homologous with the labia majora in females?

Circumcision has little or no medical benefits for men

Briefly list and describe the major external male sexual structures.

The corpus spongiosum

The ________ are structures that encircles the urethra just below the urinary bladder and produces about 30% of the seminal fluid that nourishes and transports sperm.

At the root of the penis, the tips of the corpora cavernosa form the ________ and are anchored by muscle to the pubic bone.

The glans penis is important in sexual arousal because it contains a relatively high concentration of ________, making it responsive to stimulation.

Which of the following hormones stimulates sperm production in the testes?

Rocco experiences orgasm but does not ejaculate semen during masturbation or sexual intercourse. A physical examination shows that his semen is expulsed into his bladder rather than out of his urethral opening. His physician suggests that this condition might be caused by the tranquilizers that Rocco takes for treating his clinical depression. In this scenario, Rocco is most likely exhibiting the symptoms of

Gynecomastia refers to the

In puberty, gynecomastia is a normal response to hormonal changes.

Orgasm does not always occur with ejaculation.

Within each testis are around 1,000 tiny, tightly compressed tubes where sperm production takes place. These tubes are called the

The production of sperm is known as spermatotheca.

The point at which ejaculation will occur even if stimulation ceases is called

Discuss the physiological process of penile erection including the role of nitric oxide.