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Flashcards in reproductive system Deck (56)
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1

Male and female external genitalia develop from the same primordial structures.

True

2

Resolution phase of the male sexual response is followed by a refractory period, during which the man cannot attain another erection.

True

3

Puberty is initiated when the hypothalamus significantly increases secretion of

nadotropin-releasing hormone (GnRH).

4

The normal chromosome number in a human cell is

46

5

During embryonic development, male reproductive organs develop as a result of which of the following factors?

Testis-determining factor (TDF) region on the Y chromosome

6

The developing ___________ cells are responsible for influencing the development of male reproductive structures through the production of anti-Mullerian hormone.

sustentacular

7

A female is born with approximately 1.5 million _____ follicles, and these are the only follicle type that develops before puberty.

primordial

8

Ovulation involves the release of the _____________ from a vesicular follicle.

secondary oocyte

9

What are the phases of the male sexual response? Check all that apply.

Refractory periodRefractory period Incorrect
Excitement phaseExcitement phase Correct
Resolution phaseResolution phase Correct
Orgasm

10

The primary target cells for GnRH are located in the

anterior pituitary gland.

11

The anterior border to the perineum is the

pubic symphysis.

12

The perineum consists of an anterior

urogenital triangle and a posterior anal triangle.

13

In both males and females, primary sex organs called _________________ produce the gametes.

Gonads

14

When a cell's genetic content is designated as 1n, the cell is said to be _________.

Haploid

15

A reduction division is one in which

the daughter cells receive only half as many chromosomes as the parent cell had.

16

A child has the same number of chromosomes as each of his parents. This is because the gametes that combined when that child was conceived each contained _____ chromosomes.

23

17

Sister chromatids are pulled apart in

anaphase II.

18

Normally, the uterus is angled anterosuperiorly within the body, a position referred to as _________________.

anteverted

19

Progesterone levels are highest during the ________ phase.

luteal

20

The fold of the labia minora that forms a hood over the clitoris is the ________.

prepuce

21

Throughout childhood, primary oocytes are arrested in

prophase I.

22

The portion of the uterine wall that includes the basal layer is the

endometrium.

23

The rete testis

receives sperm from the seminiferous tubules.

24

Where are spermatozoa stored until they are fully mature?

Epididymis

25

Which of the male accessory glands encircles the urethra?

Prostate gland

26

The external urethral orifice is found at the _________ of the penis.

glans

27

What structures fuse during female development to form the uterus?

The caudal ends of the paramesonephric ducts

28

The expression of the ________ gene results in the production of proteins that stimulate synthesis of androgens that initiate development af a male phenotype.

SRY

29

_____ is a period in adolescence where the reproductive organs become fully functional and the external sex characteristics become more prominent.

puberty

30

Oxytocin is released from the fetus and plays a role in true labor.

True