Deck 27: The Reproductive System

Question 1

Figure 27.3
Using Figure 27.3, match the following:

A) E
B) A
C) C
D) D
E) B
Vesicular (Graafian)follicle.

Answer 1

C

Question 2

Figure 27.2
Using Figure 27.2, match the following:

A) C
B) B
C) A
D) D
Area of compacted DNA.

Answer 2

A

Question 3

Figure 27.1
Using Figure 27.1, match the following:

A) A
B) C
C) D
D) E
E) B
First cells with n number of chromosomes.

Answer 3

C

Question 4

Figure 27.3
Using Figure 27.3, match the following:

A) E
B) A
C) C
D) D
E) B
Primary follicles.

Question 5

Figure 27.3
Using Figure 27.3, match the following:

A) E
B) A
C) C
D) D
E) B
Corpus luteum.

Question 6

Figure 27.2
Using Figure 27.2, match the following:

A) C
B) B
C) A
D) D
Flagellum.

Question 7

Figure 27.1
Using Figure 27.1, match the following:

A) A
B) C
C) D
D) E
E) B
Early spermatids.

Question 8

Match the following:

A) Meiosis
B) Meiosis
C) Mitosis
D) Mitosis
Produces cells for growth and tissue repair.

Question 9

Figure 27.1
Using Figure 27.1, match the following:

A) A
B) C
C) D
D) E
E) B
Type B spermatogonia.

Question 10

Figure 27.3
Using Figure 27.3, match the following:

A) E
B) A
C) C
D) D
E) B
Primordial follicle.

Question 11

Figure 27.2
Using Figure 27.2, match the following:

A) C
B) B
C) A
D) D
Location of nucleus.

Question 12

Figure 27.2
Using Figure 27.2, match the following:

A) C
B) B
C) A
D) D
Midpiece.

Question 13

Figure 27.3
Using Figure 27.3, match the following:

A) E
B) A
C) C
D) D
E) B
Mature follicle.

Question 14

Figure 27.3
Using Figure 27.3, match the following:

A) E
B) A
C) C
D) D
E) B
The stage called ovulation.

Question 15

Match the following:

A) Meiosis
B) Meiosis
C) Mitosis
D) Mitosis
Produces haploid cells.

Question 16

Match the following:

A) Meiosis
B) Meiosis
C) Mitosis
D) Mitosis
One division consisting of prophase,metaphase,anaphase,and telophase.

Question 17

Figure 27.2
Using Figure 27.2, match the following:

A) C
B) B
C) A
D) D
Location of mitochondria.

Question 18

Figure 27.1
Using Figure 27.1, match the following:

A) A
B) C
C) D
D) E
E) B
Stem cell.

Question 19

Figure 27.2
Using Figure 27.2, match the following:

A) C
B) B
C) A
D) D
Acrosome.

Question 20

Figure 27.1
Using Figure 27.1, match the following:

A) A
B) C
C) D
D) E
E) B
Primary spermatocyte.

Question 21

Match the following:

A) Meiosis
B) Meiosis
C) Mitosis
D) Mitosis
Forms tetrads.

Question 22

Match the following:

A) Gonorrhea
B) Syphilis
C) Chlamydia
D) Genital warts
E) Genital herpes
Organism responsible for up to half of the diagnosed cases of pelvic inflammatory disease.

Question 23

The prostate atrophies as a man ages,and it usually causes no health problems.

Question 24

Match the following:

A) Gonorrhea
B) Syphilis
C) Chlamydia
D) Genital warts
E) Genital herpes
Human herpes virus type 2.

Question 25

Match the following:

A) Gonorrhea
B) Syphilis
C) Chlamydia
D) Genital warts
E) Genital herpes
Urethritis in males.

Question 26

When a couple is having difficulty conceiving a child,it is necessary to investigate the sperm of the male.

Question 27

Sexually transmitted infections are the most important cause of reproductive disorders.

Question 28

The adenohypophyseal hormone that triggers ovulation is estrogen.

Question 29

Ovarian follicles contain mature eggs.

Question 30

It is necessary for the testes to be kept below body temperature for abundant,viable sperm formation.

Question 31

Match the following:

A) Gonorrhea
B) Syphilis
C) Chlamydia
D) Genital warts
E) Genital herpes
Treponema pallidum.

Question 32

The amount of testosterone and sperm produced by the testes is dependent on the influence of FSH alone.

Question 33

Match the following:

A) Meiosis
B) Meiosis
C) Mitosis
D) Mitosis
Occurs in two stages.

Question 34

A human egg or sperm contains 23 pairs of chromosomes.

Question 35

The smaller cell produced by oogenesis meiosis I,called the first polar body,is essentially a packet of discarded nuclear material.

Question 36

Match the following:

A) Gonorrhea
B) Syphilis
C) Chlamydia
D) Genital warts
E) Genital herpes
Human papillomavirus.

Question 37

When it is cold,the scrotum is pulled away from the body.

Question 38

The Pap smear is a test to detect cancerous changes in cells of the cervix.

Question 39

The testis is divided into seminiferous tubules which contain the lobules that produce sperm and the ejaculatory duct that allows the sperm to be ejected from the body.

Question 40

Match the following:

A) Meiosis
B) Meiosis
C) Mitosis
D) Mitosis
Produces four daughter cells.

Question 41

The corpus luteum secretes progesterone only.

Question 42

The first sign of puberty in females is budding breasts.

Question 43

Sperm are ejaculated from the corpora cavernosa of the penis.

Question 44

Which of the following statements is true of metaphase I of meiosis I?

A) Joined homologous pair uniformly line up on the equatorial spindle with chromosome one at the top and chromosome 23 on the bottom.
B) Tetrads align randomly on the spindle equator with all the maternal homologs on one side and all the paternal homologs on the opposite side.
C) Homologous pairs align randomly on the spindle equator with a mix of paternal and maternal homologs destined for each of the daughter cells.
D) The sister chromatids line up randomly on the spindle equator with some maternal and paternal chromatids on both sides of the equator.

Question 45

Extremely stressful physical activity in young females can result in excessive bone mass due to large amounts of estrogen production.

Question 46

Ovulation occurs near the end of the ovarian cycle.

Question 47

Sperm from the male parent determines the sex of the child.

Question 48

All of the following things occur during meiosis I with the exception of one thing.Select the statement below that does not occur during meiosis I.

A) A single diploid (2n) cell has become two haploid (n) cells.
B) Portions of maternal chromosomes crossover with equivalent portions of paternal chromosomes.
C) The sister chromatids are separated from each other.
D) The homologous chromosomes are separated from each other.

Question 49

Select the statement which is false.

A) Meiosis II is essential the same process as mitosis except the starting cells are haploid (n).
B) Further genetic variation typically does not occur after meiosis I.
C) Crossing over is a source of genetic variability seen in meiosis while independent assortment is a source of genetic variability seen in mitosis.
D) Meiosis II is essential the same process as mitosis except the genetic material will not replicate before division takes place.

Question 50

Select the statement below that is false.

A) Meiosis results in haploid cells while mitosis results in diploid cells.
B) A cell undergoing meiosis results in 4 cells while a cell undergoing mitosis results in two cells.
C) Meiosis occurs only in stem cells while mitosis can occur in any of the body's cells.
D) Meiosis occurs only after the onset of puberty and produces genetically unique cells while mitosis occurs throughout an entire life time and produces genetically identical cells.

Question 51

The molecule that enhances the ability of testosterone to promote spermatogenesis is inhibin.

Question 52

The testes are innervated by the sympathetic division of the ANS only.

Question 53

The soft mucosal lining of the uterus is the endometrium.

Question 54

Select the statement which is true regarding independent assortment.

A) Its effects are significant in meiosis and in mitosis.
B) It only occurs in meiosis II.
C) It is a significant source of genetic variation only during meiosis I.
D) It is a significant source of genetic variation that occurs in meiosis I and meiosis II.

Question 55

A scrotal muscle that contracts in response to cold environmental temperature is the cremaster.

Question 56

The primary function of the testes is to produce testosterone.

Question 57

The zona pellucida is formed as the follicle becomes a secondary follicle.

Question 58

The stage in meiosis where chromosomal exchange takes place is telophase.

Question 59

Female orgasm is required for conception.

Question 60

The secretions of the bulbourethral glands neutralize traces of acidic urine in the urethra and serve as a lubricant during sexual intercourse.

Question 61

How do the testes respond to exposure to excessive body warmth?

A) They move away from the pelvic cavity.
B) Excessive warmth is actually beneficial in that it speeds up the maturation of sperm.
C) They move close to the pelvic cavity.
D) Excessive warmth has no effect on the testicles because of their location in the scrotum.

Question 62

The ability of sperm cells to move along the ductus deferens is due to ________.

A) peristaltic contractions
B) enzymatic activity
C) hormonal action
D) gravity

Question 63

Human egg and sperm are similar in that ________.

A) about the same number of each is produced per month
B) they have the same degree of motility
C) they are about the same size
D) they have the same number of chromosomes

Question 64

The oral contraceptive pill,informally called "the pill" contains an estrogen and progesterone or a synthetic mimic of this hormone.The combination of these two hormones taken in the pill and circulating in the blood work because.

A) The hormones cause the woman's body to mimic the activities of a pregnancy and disrupt the ovarian cycle, preventing ovulation.
B) The hormones create an acid condition in the vagina that acts as a spermicide.
C) The hormones prevent the proliferative or secretory phase of the menstrual cycle and the embryo will have no place to implant.
D) The hormones cause a thickening of the mucus plug at the cervix that prevents sperm from penetrating the womb and reaching the ovulated egg.

Question 65

The genetic determinate for male reproductive development is ________.

A) inhibition of estrogen
B) the SRY gene
C) presence of testosterone
D) lack of an X chromosome

Question 66

All but one of the events described below occur during spermiogenesis.Select the event that does not occur during spermiogenesis.

A) The centrioles migrate to the posterior end of the developing sperm to form the microtubules that make up the flagellum.
B) Mitochondrial DNA is packaged into the nucleus to be delivered to the egg during fertilization.
C) Excessive cytoplasm will be shed to reduce unneeded mass of the maturing sperm.
D) Mitochondria form around the proximal end of the flagellum. They will provide the ATP to drive the motion of the flagellum.

Question 67

If gametes were diploid like somatic cells,how many chromosomes would the zygote contain?

A) Twice the diploid number, and with every succeeding generation, the chromosome number would continue to double and normal development could not occur.
B) Half the diploid number with no change in development.
C) Triple the diploid number, and with every succeeding generation, the chromosome number would continue to triple and normal development would not occur.
D) There is no relationship between gametes and somatic cells.

Question 68

Which of the following glands are responsible for 70% of the synthesis of semen?

A) the prostate
B) the seminal vesicles
C) the pituitary
D) the bulbourethral glands

Question 69

During spermiogenesis ________.

A) the acrosome migrates towards the posterior end of the spermatid because its hydrolytic enzymes will be needed for digestion of the excessive cytoplasm around the flagella of the developing sperm
B) the acrosome migrates towards the anterior end of the spermatid because its hydrolytic enzymes will be needed for penetration when the sperm contacts the egg during fertilization
C) the acrosome migrates towards the anterior end of the spermatid because its pointy shape helps the sperm to move more efficiently
D) the acrosome migrates towards the posterior end of the spermatid because of its ability to propel the flagella moving the sperm through the female reproductive system towards the egg

Question 70

The dartos and cremaster muscles are important to the integrity of the male reproductive system.Which of the following is true about the role they play?

A) They regulate the temperature of the testes.
B) They contract to allow ejaculation.
C) They contract to push sperm along the ductus deferens.
D) They are responsible for penile erection.

Question 71

The structures that receive the ovulated oocyte,providing a site for fertilization,are called the ________.

A) infundibula
B) fallopian tubes
C) Graafian follicles
D) fimbriae

Question 72

All but one of the following statements are true regarding the differences between early and late spermatids.Select the answer below that does not reflect a difference between early and late spermatids.

A) Early spermatids are round and have excessive cytoplasm.
B) Early spermatids have not undergone meiosis and are still diploid.
C) Early spermatids have not undergone spermiogenesis.
D) Early spermatids have not formed a flagella.

Question 73

All but one of the following statements describes the necessity of the blood testis barrier.Select the one statement that does not describe a necessity of the blood testis barrier.

A) Spermatogenesis produces new combinations of genes and chromosomes that results in unique antigens that the immune system may see as foreign.
B) Spermatocytes undergo meiosis only during puberty, well after the immune system has come to recognize "self" from "non-self" cells.
C) Sperm can only be produced at temperatures lower than body temperature. Inflammation in the testis could raise the temperature too high to produce sperm.
D) Foreign antigens produced by the newly formed sperm could initiate an autoimmune response against the developing sperm.

Question 74

Effects of estrogen include ________.

A) growth of the larynx
B) deepening of the voice
C) growth of the breasts at puberty
D) increased oiliness of the skin

Question 75

All but one of the following statements is true of uterine function.Select the statement that is not true of uterine function.

A) The endometrium has a functional layer that the embryo will implant into.
B) Its rhythmic, reverse peristalsis can propel sperm toward the egg.
C) The narrow portion of the uterus near the cervix is the most typical site of fertilization.
D) The myometrium contracts to expel the fetus during child birth.

Question 76

Which of the following hormones controls the release of anterior pituitary gonadotropins?

A) LH
B) GnRH
C) testosterone
D) FSH

Question 77

The most important risk for testicular cancer in young males is ________.

A) sexually transmitted infections
B) a diet high in fat
C) smoking
D) failure of the testis to make their normal decent

Question 78

Fertilization generally occurs in the ________.

A) uterus
B) fallopian tubes
C) vagina
D) ovary

Question 79

In humans,separation of the cells at the two-cell state following fertilization may lead to the production of twins,which in this case would be ________.

A) genetically identical
B) fraternal
C) dizygotic
D) potentially of different sexes

Question 80

All but one of the following statements is true with regard to the blood testis barrier.Select the one statement that is false.

A) The barrier is made up of astrocytes that surround blood vessels in the testis.
B) The barrier marks the border between the basal compartment and the adluminal compartment.
C) The barrier separates the spermatocytes dividing by meiosis from exposing their unique antigens to the immune system.
D) Sustentocytes form the barrier with tight junctions.