Question 1

During spermiogenesis ________.

Accepted Answer

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 
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 2

Match the following:
-Produces cells for growth and tissue repair.

Accepted Answer

A) Meiosis 
B) meiosis 
C) Mitosis 
D) mitosis 
A) Meiosis 
B) meiosis 
C) Mitosis 
D) mitosis

Question 3

Select the statement which is false.

Accepted Answer

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. 
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 4

The soft mucosal lining of the uterus is the endometrium.

Accepted Answer

A) True 
 B)False

Question 5

Spermatogenesis ________.

Accepted Answer

A)  results in the formation of diploid cells 
B)  is the process of releasing mature sperm cells into the lumen of the seminiferous tubule 
C)  involves a kind of cell division limited to the gametes 
D)  uses mitosis to produce gamete cells 
A)  results in the formation of diploid cells 
B)  is the process of releasing mature sperm cells into the lumen of the seminiferous tubule 
C)  involves a kind of cell division limited to the gametes 
D)  uses mitosis to produce gamete cells

Question 6

The ________ of the testis nourish the newly formed sperm cells.

Accepted Answer

The answer of The ________ of the testis nourish the...

Question 7

Figure 27.2
Using Figure 27.2, match the following:
-Location of mitochondria.

Accepted Answer

A) C 
B) B 
C) A 
D) D 
A) C 
B) B 
C) A 
D) D

Question 8

A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released,but LH is normal.After he grows to maturity,one would expect that he would ________.

Accepted Answer

A)  be unable to produce viable sperm 
B)  be impotent (unable to have an erection) 
C)  have impaired function of interstitial cells 
D)  not develop secondary sex characteristics 
A)  be unable to produce viable sperm 
B)  be impotent (unable to have an erection) 
C)  have impaired function of interstitial cells 
D)  not develop secondary sex characteristics

Question 9

Occasionally three polar bodies are found clinging to the mature ovum.One came from an unequal division of the ovum,but from where did the other two arise?

Accepted Answer

A)  One is an undeveloped primary oocyte that failed to mature. 
B)  There were originally four polar bodies and one disappeared. 
C)  What you really see are two polar bodies and the sperm that will fertilize the egg. 
D)  The first polar body has also divided to produce two polar bodies. 
A)  One is an undeveloped primary oocyte that failed to mature. 
B)  There were originally four polar bodies and one disappeared. 
C)  What you really see are two polar bodies and the sperm that will fertilize the egg. 
D)  The first polar body has also divided to produce two polar bodies.

Question 10

A 38-year-old male is upset about his low sperm count and visits a "practitioner" who commonly advertises his miracle cures of sterility.The practitioner is a quack who treats conditions of low sperm count with megadoses of testosterone.Although his patients experience a huge surge in libido,their sperm count is even lower after hormone treatment.Explain why.

Accepted Answer

Megadoses of testosterone would inhibit

Question 11

A human egg or sperm contains 23 pairs of chromosomes.

Accepted Answer

A) True 
 B)False

Question 12

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.

Accepted Answer

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. 
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 13

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

Accepted Answer

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. 
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 14

Ovarian follicles contain mature eggs.

Accepted Answer

A) True 
 B)False

Question 15

Select the statement which is true regarding independent assortment.

Accepted Answer

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. 
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 16

What is the name given to the female homologue to the penis?

Accepted Answer

The female clitoris is homolog

Question 17

The midpiece of the sperm tail contains mostly ________.

Accepted Answer

The answer of The midpiece of the sperm tail contains...

Question 18

Figure 27.3
Using Figure 27.3, match the following:
-Primary follicles.

Accepted Answer

A) E 
B) A 
C) C 
D) D 
E) B 
A) E 
B) A 
C) C 
D) D 
E) B

Question 19

Normally menstruation occurs when ________.

Accepted Answer

A)  blood levels of estrogen and progesterone decrease 
B)  blood levels of FSH fall off 
C)  the corpus luteum secretes estrogen 
D)  blood levels of estrogen and progesterone increase 
A)  blood levels of estrogen and progesterone decrease 
B)  blood levels of FSH fall off 
C)  the corpus luteum secretes estrogen 
D)  blood levels of estrogen and progesterone increase

Question 20

Figure 27.3
Using Figure 27.3, match the following:
-Corpus luteum.

Accepted Answer

A) E 
B) A 
C) C 
D) D 
E) B 
A) E 
B) A 
C) C 
D) D 
E) B

Exam 27: The Reproductive System

During spermiogenesis ________.

Match the following: -Produces cells for growth and tissue repair.

Select the statement which is false.

The soft mucosal lining of the uterus is the endometrium.

Spermatogenesis ________.

The ________ of the testis nourish the newly formed sperm cells.

Figure 27.2 Using Figure 27.2, match the following: -Location of mitochondria.

A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released,but LH is normal.After he grows to maturity,one would expect that he would ________.

Occasionally three polar bodies are found clinging to the mature ovum.One came from an unequal division of the ovum,but from where did the other two arise?

A human egg or sperm contains 23 pairs of chromosomes.

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.

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

Ovarian follicles contain mature eggs.

Select the statement which is true regarding independent assortment.

What is the name given to the female homologue to the penis?

The midpiece of the sperm tail contains mostly ________.

Figure 27.3 Using Figure 27.3, match the following: -Primary follicles.

Normally menstruation occurs when ________.

Figure 27.3 Using Figure 27.3, match the following: -Corpus luteum.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

Pregnancy and Human Development

Heredity

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