When the process of meiosis is complete, the result is two daughter cells that are diploid. two daughter cells that are haploid. four daughter cells that are diploid. four daughter cells that are haploid.

four daughter cells that are haploid.

The process by which double-stranded, homologous chromosomes exchange genetic material is known as crossing over, and it occurs in interphase. crossing over, and it occurs in mitosis. crossing over, and it occurs in meiosis. interphase, and it occurs in meiosis. interphase, and it occurs in mitosis.

crossing over, and it occurs in meiosis.

A reduction division is one in which the chemical reactions of oxidation and reduction take place. the daughter cells receive only half as many chromosomes as the parent cell had. one daughter cell is substantially reduced in size compared to the parent cell. the size of chromosomes is reduced from double-stranded to single-stranded.

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

The daughter cells that result from meiosis I are diploid and contain single-stranded chromosomes. diploid and contain double-stranded chromosomes. haploid and contain single-stranded chromosomes. haploid and contain double-stranded chromosomes.

haploid and contain double-stranded chromosomes.

Which is not correct regarding the ovaries? Each ovary has an outer cortex and an inner medulla. The ovaries are located lateral to the uterus. The ovarian artery and vein join the ovary at its hilum. The gametes develop from the ovarian germinal epithelium. The tunica albuginea is deep to the germinal epithelium.

The gametes develop from the ovarian germinal epithelium.

In a female infant, the ovaries contain primordial oocytes within primordial follicles. primary oocytes within primordial follicles. primordial oocytes within secondary follicles. primary oocytes within corpora lutea. primordial oocytes within corpora albicans.

primary oocytes within primordial follicles.

Fimbriae are extensions of the ovarian ligament. line the ampulla of the uterine tube. enclose the ovary at the time of ovulation. are sloughed off during menstruation. assist in the movement of sperm through the female reproductive tract.

enclose the ovary at the time of ovulation.

What is the correct order for the segments of the uterine tube, beginning at the ovary? Infundibulum - isthmus - ampulla - uterine part Uterine part - infundibulum - ampulla - isthmus Ampulla - infundibulum - uterine part - isthmus Infundibulum - ampulla - isthmus - uterine part Uterine part - isthmus - ampulla - infundibulum

Infundibulum - ampulla - isthmus - uterine part

Which layer of the uterine wall is sloughed off during menstruation? Perimetrium Basal layer of endometrium Myometrium Functional layer of endometrium Epimetrium

Functional layer of endometrium

What is the correct order for the phases of the uterine cycle, beginning with day 1? Menstrual - proliferative - secretory Proliferative - secretory - menstrual Secretory - proliferative - menstrual Menstrual - secretory - proliferative Proliferative - menstrual - secretory

Menstrual - proliferative - secretory

The function of the dartos and cremaster muscles is to attach the penis to the body wall. produce erections. regulate the temperature of the testes. help the testes descend into the scrotum prior to birth. move sperm along the ductus deferens.

regulate the temperature of the testes.

The acrosome cap contains testosterone. nutrients to sustain the sperm. enzymes to allow penetration into the oocyte. mitochondria to provide energy for movement. buffers to neutralize the acidity of the female reproductive tract.

enzymes to allow penetration into the oocyte.

In men, LH stimulates hypothalamic cells to secrete GnRH. interstitial cells to secrete testosterone. anterior pituitary cells to secrete FSH. sustentacular cells to secrete testosterone. spermatogenic cells to secrete ABP.

interstitial cells to secrete testosterone.

The rete testis receives sperm from the seminiferous tubules. is the nerve plexus that supplies the testis. is a venous network that cools the arterial blood traveling to the testis. transports seminal fluid to the efferent ductules. is the site of spermiogenesis.

receives sperm from the seminiferous tubules.

The ejaculatory duct is formed by the ampulla and the proximal portion of the seminal vesicle. ductus deferens and the ducts of the prostate gland. ampulla and the distal portions of the bulbourethral glands. ductus deferens and the ducts of the prostate gland and bulbourethral glands. ampulla and the prostatic urethra.

ampulla and the proximal portion of the seminal vesicle.

What structures fuse during female development to form the uterus? The superior ends of the mesonephric ducts The anterior ends of the Wolffian ducts The caudal ends of the paramesonephric ducts The posterior ends of the gubernaculum

The caudal ends of the paramesonephric ducts

A&P: Final Exam - Ch. 28

Flashcard

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Science

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University

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Practice Problem

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Hard

Makayla Snow

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FLASHCARD QUESTION

Front

The gonads

are the male testes and female ovaries.

secrete sex hormones.

produce gametes.

are dormant until puberty.

All of the choices are correct.

Back

All of the choices are correct.

FLASHCARD QUESTION

Front

The male homologue to the labia majora is the

testis.

scrotum.

penis.

bulbourethral gland.

prostate gland.

Back

scrotum.

FLASHCARD QUESTION

Front

Puberty is initiated when a region of the brain begins secreting

luteinizing hormone.

estrogen or testosterone.

follicle-stimulating hormone.

gonadotropin-releasing hormone.

androgens.

Back

gonadotropin-releasing hormone.

FLASHCARD QUESTION

Front

The primary target cells for GnRH are located in the

hypothalamus.

gonads.

anterior pituitary gland.

adrenal gland.

genitals.

Back

anterior pituitary gland.

FLASHCARD QUESTION

Front

The perineum consists of an anterior

ischial tuberosity and a posterior anal ellipse.

urethral orifice and a posterior pubic crest.

false pelvis and a posterior true pelvis.

urogenital triangle and a posterior anal triangle.

pubic quadralateral and a posterior anal rhombus.

Back

urogenital triangle and a posterior anal triangle.

FLASHCARD QUESTION

Front

The anterior border to the perineum is the

anus.

pubic symphysis.

ischial tuberosity.

bulbospongiosus muscle.

Back

pubic symphysis.

FLASHCARD QUESTION

Front

Human somatic cells contain only one pair of

chromosomes.

autosomes.

homologous chromosomes.

sex chromosomes.

Back

sex chromosomes.

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