Exam 18: The Reproductive System

Indicate which item in the following answer code best matches the description in each question by writing the appropriate letter in the blank. There is only one correct answer per question. Each answer may be used more than once. Some answers may not be used at all. -Secretes estrogen and progesterone during the first ten weeks of gestation.

Implantation normally occurs within 24 hours after fertilization.

Developing follicles that fail to reach maturity to ovulate undergo atresia and form scar tissue.

MATCHING Match the three levels of sexual distinction between males and females by writing the appropriate letters in the blanks. -gonadal sex

Spermatogenesis is directly controlled by

Human chorionic gonadotropin

Ovulation usually occurs 14 days following follicle development.

Which of the following hormones is responsible for the development and maintenance of the secondary sexual characteristics?

Genetic males have both an X and a Y sex chromosome; genetic females have two X sex chromosomes

A high level of progesterone stimulates myometrial contraction.

Prostaglandins are found only in the semen.

Testosterone

The secretory phase of the uterine cycle lasts from menstruation to ovulation.

A chemical change in which structure prevents polyspermy fertilization?

Which is the correct sequence of structures sperm travels through prior to ejaculation?

Indicate which item in the following answer code best matches the description in each question by writing the appropriate letter in the blank. There is only one correct answer per question. Each answer may be used more than once. Some answers may not be used at all. -Site of fertilization.

Ovarian estrogen production decreases during climacteric.

The prostate gland

Indicate whether the following functions are attributable to estrogen or progesterone using the following answer code: -Dominates follicular phase.

Describe the regulation of the ovarian and uterine cycles.