MA&P Chapter 26 Reproductive

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What is the proper arrangement of the four structures listed below into the order in which sperm pass from the testis to the urethral meatus? 1. ductus deferens 2. urethra 3. ejaculatory duct 4. epididymis

4, 1, 3, 2

How long does each menstruation typically last? (Module 26.12B)

1-7 days

In what order does sperm produced in the semiferous tubules pass through the following structures before being stored in the epididymis? 1) Efferent ductules 2) Straight ductules 3) Rete testis

2, 3, 1

How many sperm will eventually be produced from each primary spermatocyte? (Module 26.3B)

4

What is the final product of meiosis?

4 haploid cells

Which of the following interactions is incorrect regarding the reproductive system?

A vasectomy is an effective way of preventing ovulation.

Which is true regarding menses?

It marks the beginning of the uterine cycle.

Choose the correct event that occurs during the development of the testes.

Late in fetal development, each testis is pulled through the abdominal musculature into the scrotum.

What portion of the spermatozoon contains the enzymes necessary for fertilization?

acromosome

List the structures of a sperm. (Module 26.3C)

acrosome, head, neck, middle piece, and tail

Within spaces between the seminiferous tubules, the interstitial endocrine cells __________.

are responsible for the production of androgens

Which of the following muscles move the testes towards the body?

both the cremaster and the dartos

The small paired structures at the base of the penis that secrete a thick, alkaline mucus are the

bulbourethral glands

Another term for vulva is

female external genitalia.

The ________ are fingerlike projections that capture the freshly ovulated ovum.

fimbriae

Gardasil is a vaccine against ______, which is responsible for 75 percent of cervical cancers.

human papillomavirus

The recto-uterine pouch:

is formed between the posterior wall of the uterus and the anterior surface of the colon

Near the nipple, each lactiferous duct enlarges, forming an expanded structure called a:

lactiferous sinus

Name the structures of the male external genitalia. (Module 26.1B)

penis, urethra, and scrotum

Sperm are moved along the ductus deferens by

peristaltic contractions

Which structure surrounds the tip of the penis, attaches to the relatively narrow neck of the penis, and continues over the glans?

prepuce

What is the function of gonads?

produce gametes and produce hormones

What roles do the ovaries perform? (Module 26.9B)

produce oocytes, secrete female sex hormones, secrete inhibin

Functions of the accessory glands of the male reproductive system include all of the following except

producing spermatozoa

During the luteal phase of the ovarian cycle, __________.

progesterone secretion by the corpus luteum stimulates endometrial growth and secretion

Where does fertilization normally occur? (Module 26.8C)

uterine tube

The vulva includes all of the following except the

vagina

he pathogen responsible for nearly 75% of cervical cancers is

Human papillomavirus

On a warm day, would the cremaster muscle be contracted or relaxed? Why? (Module 26.2B)

The cremaster muscle would be relaxed so the scrotum could descend away from the body.

Name the three columns of erectile tissue in the penis. (Module 26.6A)

corpus spongiosum and the paired corpora cavernosa

The organ that carries sperm from the epididymis to the urethra is the

ductus deferens

Name the structures of the male internal genitalia. (Module 26.1C)

ductus deferens, seminal gland, prostate, bulbo-urethral gland, epididymis, testis

Which male accessory organ functions as the site of sperm maturation?

epididymis

The special type of cell division required to produce gametes is called

meiosis

Which stage of spermatogenesis yields four immature (undifferentiated) haploid cells?

meiosis II

Which uterine structure provides much of the force needed to move a fetus out of the uterus and into the vagina?

myometrium

The cells that are formed during spermatogenesis by the first meiosis are called

secondary spermatocytes

The ________ is/are in contact with the posterior side to the urinary bladder.

seminal glands

Which of the following processes occurs during meiosis II?

the formation of haploid cells

During menses,

the old functional layer is sloughed off.

Regarding the proliferative phase of the uterine cycle:

the uterine glands are manufacturing a glycogen-rich mucus that can be metabolized by an early embryo


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