Question 1

Identify how the HAART works when used on a patient that has contracted HIV.

Accepted Answer

A)  Entry inhibitors in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.AZT will interfere with the conversion of viral RNA into DNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
B)  Entry inhibitors in HAART will prevent the HIV virus from fitting through the protein channels of the cell membranes.AZT will interfere with the conversion of viral DNA into RNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
C)  Entry inhibitors in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.AZT will interfere with the conversion of viral DNA into RNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
D)  Entry inhibitors in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.AZT will interfere with the conversion of viral RNA into the cellular proteins and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
E)  AZT in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.Inhibitors will interfere with the conversion of viral RNA into DNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.F) All of the above
G) A) and B) A

Question 2

A male accessory organ of the reproductive system that often becomes enlarged,infected,or cancerous in older men is the

Accepted Answer

A)  testis.
B)  prostate gland.
C)  epididymis.
D)  bulbourethral gland.
E)  vas deferens.F) A) and D)
G) A) and C)

Question 3

The organ that exchanges molecules between fetal and maternal blood is the

Accepted Answer

A)  vagina.
B)  oviduct.
C)  uterus.
D)  placenta.
E)  mammary gland.F) C) and E)
G) B) and D)

Question 4

What is parthenogenesis?

Accepted Answer

A)  a sexual means of internal fertilization
B)  an asexual means of reproduction involving budding
C)  an asexual means of reproduction by splitting or fission into several new individuals
D)  a modification of sexual reproduction in which an unfertilized egg develops into a complete individual
E)  a sexual means of reproduction by which cross-fertilization occurs between hermaphroditesF) B) and D)
G) All of the above

Question 5

Identify and briefly describe the function of the labeled structures on the sperm in the picture.

Accepted Answer

A.acrosome: covers the head of the sperm...

Question 6

Identify the five commonly available methods of birth control and indicate which ones provide the most protection against STDs.

Accepted Answer

Abstinence - provides protection against STDs Morning-after pills - does not provide protection against STDs Contraceptive vaccines - does not provide protection against STDs Male condom - provides protection against STDs Female condom - provides protection against STDs Intrauterine device - does not provide protection against STDs Male hormonal birth control - does not provide protection against STDs

Question 7

Identify the labeled structures in the cross section of a human penis in the picture.

Accepted Answer

A: erectile tissue B: dorsal v...

Question 8

The STD ________ causes an inflammation of the liver and is preventable by ________.

Accepted Answer

A)  hepatitis A; vaccination
B)  hepatitis B; using a male condom
C)  HIV; vaccination
D)  gonorrhea; vaccination
E)  syphilis; male condomF) B) and D)
G) None of the above

Question 9

Which of the following is not one of the stages of HIV infection?

Accepted Answer

A)  a greater than 500 CD4 + T cells per microliter of blood
B)  a CD4 + T cell count between 200 and 499 per microliter of blood
C)  a CD4 + T cell count below 200 per microliter of blood
D)  opportunistic infections
E)  flat or raised lesions on the penis or vulvaF) C) and D)
G) A) and B)

Question 10

Which of the following features is NOT an advantage of an organism that has a viviparous life history?

Accepted Answer

A)  The eggs are retained within the body of the mother until the offspring are able to fend for themselves.
B)  Development of the offspring occurs inside of the female.
C)  Offspring can live independently shortly after they are born.
D)  The mother supplies the offspring with nourishment,even after birth.
E)  The unborn offspring is supplied with a continuous flow of nutrients during development.F) C) and D)
G) B) and E)

Question 11

All of the following statements concerning activities in the female reproductive system are true EXCEPT

Accepted Answer

A)  the follicles in the ovary produce estrogen.
B)  a surge of FSH is believed to promote ovulation.
C)  the placenta can produce both estrogen and progesterone.
D)  LH stimulates the formation of the corpus luteum.
E)  the corpus luteum produces progesterone.F) A) and B)
G) A) and C)

Question 12

In most male animals,the penis or other copulatory organ achieves erection by

Accepted Answer

A)  muscle contraction.
B)  testicular pressure.
C)  bones or exoskeleton interlocking.
D)  artery dilation or hemolymph pressure.E) None of the above
F) B) and C)

Question 13

In in-vitro fertilization,sperm are placed in the vagina of a woman by a physician.

Accepted Answer

A) True 
 B)False

Question 14

Contraception (preventing conception)and birth control (preventing live birth)are not quite the same.To which category do "morning-after" pills and mifepristone (RU-486)belong,and why?

Accepted Answer

The "morning-after" pills and mifepristo...

Question 15

During the luteal phase a low level of progesterone and estrogen will bring about

Accepted Answer

A)  the disintegration of the endometrium and the rupturing of the blood vessels.
B)  the thickening of the endometrial lining in preparation for the implantation of a zygote.
C)  the development of a secondary oocyte.
D)  a spike of the luteinizing hormone causing the oocyte to be ovulated.
E)  the enlarging of the breast tissue in order to prepare for lactation.F) B) and E)
G) C) and D) A

Question 16

In a 28-day cycle,the follicular phase of the ovarian cycle occurs at about ________ and the luteal phase occurs at about ________.

Accepted Answer

A)  days 1-5; days 20-28
B)  days 6-13; days 1-5
C)  day 14; days 6-15
D)  days 1-13; days 15-28E) A) and B)
F) A) and C)

Question 17

All of the following animals are likely to undergo parthenogenesis EXCEPT

Accepted Answer

A)  humans.
B)  flatworms.
C)  fish.
D)  lizards.
E)  insects.F) C) and D)
G) A) and B)

Question 18

Which of the following statements about reproduction is NOT true?

Accepted Answer

A)  Gametes are produced by meiosis and may be specialized as eggs or sperm.
B)  Hydras may reproduce asexually by budding new individuals from the parent.
C)  Asexual reproduction is most advantageous when the environment is continually changing.
D)  A hermaphrodite produces both male and female gametes in different specialized gonads.
E)  A starfish can be cut into several pieces,and each piece will regenerate all the other parts of the individual.F) B) and E)
G) B) and C)

Question 19

Fertilization in humans normally occurs in the

Accepted Answer

A)  uterus.
B)  vagina.
C)  abdominal cavity.
D)  ovarian follicle.
E)  uterine tube.F) B) and D)
G) A) and E)

Question 20

When an egg erupts from a follicle,the chamber that remains and secretes hormones is the

Accepted Answer

A)  oocyte.
B)  stroma.
C)  corpus luteum.
D)  primary follicle.
E)  Graafian follicle.F) All of the above
G) D) and E)

Exam 41: Reproductive Systems

Identify how the HAART works when used on a patient that has contracted HIV.

Correct Answer
verified
A

A male accessory organ of the reproductive system that often becomes enlarged,infected,or cancerous in older men is the

Correct Answer
verified

The organ that exchanges molecules between fetal and maternal blood is the

Correct Answer
verified

What is parthenogenesis?

Correct Answer
verified

Identify and briefly describe the function of the labeled structures on the sperm in the picture.

Correct Answer
verified
A.acrosome: covers the head of the sperm...
View Answer

Identify the five commonly available methods of birth control and indicate which ones provide the most protection against STDs.

Identify the labeled structures in the cross section of a human penis in the picture.

Correct Answer
verified
A: erectile tissue B: dorsal v...
View Answer

The STD causes an inflammation of the liver and is preventable by .

Correct Answer
verified

Which of the following is not one of the stages of HIV infection?

Correct Answer
verified

Which of the following features is NOT an advantage of an organism that has a viviparous life history?

Correct Answer
verified

All of the following statements concerning activities in the female reproductive system are true EXCEPT

Correct Answer
verified

In most male animals,the penis or other copulatory organ achieves erection by

Correct Answer
verified

In in-vitro fertilization,sperm are placed in the vagina of a woman by a physician.

Correct Answer
verified

Contraception (preventing conception)and birth control (preventing live birth)are not quite the same.To which category do "morning-after" pills and mifepristone (RU-486)belong,and why?

Correct Answer
verified
The "morning-after" pills and mifepristo...
View Answer

During the luteal phase a low level of progesterone and estrogen will bring about

Correct Answer
verified
A

In a 28-day cycle,the follicular phase of the ovarian cycle occurs at about and the luteal phase occurs at about .

Correct Answer
verified

All of the following animals are likely to undergo parthenogenesis EXCEPT

Correct Answer
verified

Which of the following statements about reproduction is NOT true?

Correct Answer
verified

Fertilization in humans normally occurs in the

Correct Answer
verified

When an egg erupts from a follicle,the chamber that remains and secretes hormones is the

Correct Answer
verified

Exam 41: Reproductive Systems

Identify how the HAART works when used on a patient that has contracted HIV.

Correct AnswerverifiedA

A male accessory organ of the reproductive system that often becomes enlarged,infected,or cancerous in older men is the

Correct AnswerverifiedShow Answer

The organ that exchanges molecules between fetal and maternal blood is the

Correct AnswerverifiedShow Answer

What is parthenogenesis?

Correct AnswerverifiedShow Answer

Identify and briefly describe the function of the labeled structures on the sperm in the picture.

Correct AnswerverifiedA.acrosome: covers the head of the sperm...View AnswerShow Answer

Identify the five commonly available methods of birth control and indicate which ones provide the most protection against STDs.

Identify the labeled structures in the cross section of a human penis in the picture.

Correct AnswerverifiedA: erectile tissue B: dorsal v...View AnswerShow Answer

The STD ________ causes an inflammation of the liver and is preventable by ________.

Correct AnswerverifiedShow Answer

Which of the following is not one of the stages of HIV infection?

Correct AnswerverifiedShow Answer

Which of the following features is NOT an advantage of an organism that has a viviparous life history?

Correct AnswerverifiedShow Answer

All of the following statements concerning activities in the female reproductive system are true EXCEPT

Correct AnswerverifiedShow Answer

In most male animals,the penis or other copulatory organ achieves erection by

Correct AnswerverifiedShow Answer

In in-vitro fertilization,sperm are placed in the vagina of a woman by a physician.

Correct AnswerverifiedShow Answer

Contraception (preventing conception)and birth control (preventing live birth)are not quite the same.To which category do "morning-after" pills and mifepristone (RU-486)belong,and why?

Correct AnswerverifiedThe "morning-after" pills and mifepristo...View AnswerShow Answer

During the luteal phase a low level of progesterone and estrogen will bring about

Correct AnswerverifiedA

In a 28-day cycle,the follicular phase of the ovarian cycle occurs at about ________ and the luteal phase occurs at about ________.

Correct AnswerverifiedShow Answer

All of the following animals are likely to undergo parthenogenesis EXCEPT

Correct AnswerverifiedShow Answer

Which of the following statements about reproduction is NOT true?

Correct AnswerverifiedShow Answer

Fertilization in humans normally occurs in the

Correct AnswerverifiedShow Answer

When an egg erupts from a follicle,the chamber that remains and secretes hormones is the

Correct AnswerverifiedShow Answer

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A.acrosome: covers the head of the sperm...
View Answer

Correct Answer
verified
A: erectile tissue B: dorsal v...
View Answer

The STD causes an inflammation of the liver and is preventable by .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The "morning-after" pills and mifepristo...
View Answer

Correct Answer
verified
A

In a 28-day cycle,the follicular phase of the ovarian cycle occurs at about and the luteal phase occurs at about .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified