Question 1

The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called

Accepted Answer

A)   estrogen.
B)   progesterone.
C)   luteinizing hormone (LH) .
D)   follicle-stimulating hormone (FSH) .
E)   human chorionic gonadotropin (HCG) .F) All of the above
G) B) and D)

Question 2

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 lutenizing hormone causing the oocyte to be ovulated.
E)   the enlarging of the breast tissue in order to prepare for lactation.F) B) and C)
G) A) and B)

Question 3

Luteinizing hormone (LH)  triggers ovulation in females. What is its role in males?

Accepted Answer

A)   It does not exist since males lack ovaries.
B)   It exists in rudimentary levels since LH is made by the anterior pituitary.
C)   It controls production of testosterone.
D)   It is exactly the opposite chemical from male hormones, in an antibody-antigen fashion.E) All of the above
F) None of the above

Question 4

What is the correct order of the passage of sperm, starting at the site of development and exiting the body?

Accepted Answer

A)   Initial production occurs in the seminiferous tubules, sperm mature in the epididymis, they then enter the vas deferens, they then pass through the ejaculatory duct and exit the body through the urethra.
B)   Initial production occurs in the seminiferous tubules, sperm mature in the epididymis, they then enter the fallopian tubes, they then pass through the ejaculatory duct and exit the body through the urethra.
C)   Initial production occurs in the epididymis, sperm mature in the seminiferous tubules, they then enter the vas deferens, they then pass through the ejaculatory duct and exit the body through the urethra.
D)   Initial production occurs in the seminiferous tubules, sperm mature in the epididymis, they then enter the vas deferens, they then pass through the ejaculatory duct and exit the body through the ureters.
E)   Initial production occurs in the seminiferous tubules, sperm mature in the uterus, they then enter the vas deferens, they then pass through the ejaculatory duct and exit the body through the urethra.F) B) and C)
G) A) and D)

Question 5

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) B) and C)
G) None of the above A

Question 6

Trace the correct path of the sperm during ejaculation.

Accepted Answer

A)   urethra, vas deferens, seminal vesicles, testes
B)   testes, urethra, vas deferens, penis
C)   seminiferous tubules, epididymis, vas deferens, urethra
D)   seminiferous tubules, vas deferens, epididymis, urethra
E)   vas deferens, seminiferous tubules, epididymis, urethraF) D) and E)
G) C) and E)

Question 7

Which of the following birth control methods can help prevent the spread of sexually transmitted diseases?

Accepted Answer

A)   Male and female condoms.
B)   male condom and intrauterine device
C)   Female condom and the morning-after pill.
D)   Vaccines and female condoms.
E)   None of these will prevent the spread of sexually transmitted diseases.F) B) and D)
G) A) and D)

Question 8

Semen is composed of secretions or cells produced in all of the following structures EXCEPT

Accepted Answer

A)   the prostate gland.
B)   vas deferens.
C)   bulbourethral glands.
D)   seminal vesicles.
E)   the testes.F) A) and E)
G) B) and E)

Question 9

Fertilization in humans normally occurs in the

Accepted Answer

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

Question 10

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 11

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) All of the above
F) C) and D)

Question 12

Which of the following features is not an advantage of an organism that has a vivaparous 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) A) and E)
G) C) and D)

Question 13

List the structures involved in the production of semen and indicate their contribution.

Accepted Answer

Testes - produce sperm and sex hormones
...

Question 14

Inhibin is a hormone that

Accepted Answer

A)   decreases sexual urges.
B)   is involved in a positive feedback relationship with the hypothalamus to regulate maturation of eggs in the oviduct.
C)   is involved in a negative feedback relationship with the anterior pituitary and hypothalamus to regulate testosterone levels.
D)   is involved in a negative feedback relationship with the anterior pituitary and hypothalamus to trigger ovulation in females.
E)   prevents or inhibits erection.F) None of the above
G) D) and E)

Question 15

Which of the following associations of reproductive strategies and their descriptions are correct?

Accepted Answer

A)   oviparous - egg is deposited in external environment
B)   ovoviviparous - produce eggs but retain them inside the female body until hatching occurs
C)   viviparous - the embryo develops inside the body of the female from which it gains nourishment
D)   All of the choices are correct.E) B) and D)
F) B) and C)

Question 16

Ultimate control of testes development is by the _____ which secretes _____.

Accepted Answer

A)   anterior pituitary; gonadotropin-releasing hormone
B)   anterior pituitary; testosterone
C)   seminiferous tubules; inhibin
D)   hypothalamus; gonadotropin-releasing hormone
E)   hypothalamus; testosteroneF) A) and E)
G) A) and C)

Question 17

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) C) and D)
G) B) and D)

Question 18

Which type of life history produces a larval stage that feeds on a different food source than the adult stage?

Accepted Answer

A)   oviparous
B)   ovoviviparous
C)   vivaparous
D)   Both ovoviviparous and vivaparous.
E)   Both vivaparous and oviparous.F) All of the above
G) B) and D)

Question 19

Which of the following associations of STD etiologic agent and clinical presentation is NOT correct?

Accepted Answer

A)   Candida - vaginal yeast infection
B)   Treponema pallidum - chancre, blindness, insanity
C)   Chlamydia - mild burning on urination, mucoid discharge, possible pelvic inflammatory disease
D)   Hepatitis viruses - liver infections and inflammationE) A) and D)
F) A) and C) D

Question 20

What is the main sex hormone of the human male?

Accepted Answer

A)   testosterone
B)   estrogen
C)   luteinizing hormone (LH) 
D)   follicle-stimulating hormone (FSH) 
E)   interstitial cell-stimulating hormone (ICSH) F) C) and E)
G) B) and E)

Exam 41: Reproductive Systems

The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Luteinizing hormone (LH) triggers ovulation in females. What is its role in males?

Correct AnswerverifiedShow Answer

What is the correct order of the passage of sperm, starting at the site of development and exiting the body?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

Trace the correct path of the sperm during ejaculation.

Correct AnswerverifiedShow Answer

Which of the following birth control methods can help prevent the spread of sexually transmitted diseases?

Correct AnswerverifiedShow Answer

Semen is composed of secretions or cells produced in all of the following structures EXCEPT

Correct AnswerverifiedShow Answer

Fertilization in humans normally occurs in the

Correct AnswerverifiedE

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

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

Correct AnswerverifiedShow Answer

Which of the following features is not an advantage of an organism that has a vivaparous life history?

Correct AnswerverifiedShow Answer

List the structures involved in the production of semen and indicate their contribution.

Correct AnswerverifiedTestes - produce sperm and sex hormones...View AnswerShow Answer

Inhibin is a hormone that

Correct AnswerverifiedShow Answer

Which of the following associations of reproductive strategies and their descriptions are correct?

Correct AnswerverifiedShow Answer

Ultimate control of testes development is by the _____ which secretes _____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which type of life history produces a larval stage that feeds on a different food source than the adult stage?

Correct AnswerverifiedShow Answer

Which of the following associations of STD etiologic agent and clinical presentation is NOT correct?

Correct AnswerverifiedD

What is the main sex hormone of the human male?

Correct AnswerverifiedShow Answer

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A

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E

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The "morning-after" pills and mifepristo...
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Testes - produce sperm and sex hormones
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Ultimate control of testes development is by the _ which secretes _.

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D

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