Zach Undergoes a Sperm Analysis and Is Upset to Learn

question 38

Multiple Choice

Zach undergoes a sperm analysis and is upset to learn that he has oligospermia.This means that

• A) he has a sexually transmitted disease.
• B) he has cancer of the spermatogonia, and his sperm will never mature.
• C) he makes too many sperm, and they will crowd and kill each other.
• D) he makes too few sperm, lowering the probability of one sperm successfully reaching and fertilizing an oocyte.
• E) his sperm have two heads, each of which contains an entire genome of DNA, making them too heavy to swim to an oocyte.

---

Definitions:

Painful Blisters

A condition characterized by small, often uncomfortable fluid-filled sacs on the skin.

Disinfectants

Chemicals used to destroy bacteria, viruses, and other microorganisms on surfaces to prevent the spread of infection.

Spores

Hard capsules formed by certain bacteria that allow them to resist prolonged exposure to heat.

Modes Of Transmission

The various ways in which infectious agents are spread from one individual to another, including direct contact, airborne spread, and vector-borne transmission.