Chester Is Irritable, Loud, and Negative Most of the Time

question 231

Multiple Choice

Chester is irritable, loud, and negative most of the time. He doesn't like it when new people pick him up, and he has irregular sleeping, eating, and waking schedules. What temperament does he exhibit?

• A) active
• B) slow-to-warm-up
• C) difficult
• D) easy

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Definitions:

Primary Spermatocyte

Spermatocyte arising by a growth phase from a spermatogonium; gives rise to secondary spermatocytes after the first meiotic division.

Secondary Spermatocyte

Spermatocyte derived from a primary spermatocyte by the first meiotic division; each secondary spermatocyte gives rise by the second meiotic division to two spermatids.

Spermatid

Cell derived from the secondary spermatocyte; gives rise to a spermatozoon.

Scrotum

An external sac of skin and muscle containing the testicles in males.