Question 1

Which statement is correct about the placenta?

Accepted Answer

A)   The placenta allows for free exchange of blood from the fetus to the mother but not the other direction.
B)   The placenta allows for free exchange of blood from the mother to the fetus but not the other direction.
C)   The placenta allows for a limited exchange of gases from the fetus to the mother but a free exchange from the mother to the fetus.
D)   The placenta does not allow the exchange of blood between the fetus and mother but allows the exchange of gases.
E)   The placenta does not allow the exchange of blood or gases between the fetus and mother.F) A) and B)
G) A) and C)

Question 2

Which of these is viviparous?

Accepted Answer

A)   salmon
B)   parrot
C)   bullfrog
D)   crayfish
E)   mooseF) B) and E)
G) C) and E)

Question 3

In which stage do the three germ layers form?

Accepted Answer

A)   gastrula
B)   blastocyst
C)   neurula
D)   morula
E)   8-cell stageF) D) and E)
G) B) and D)

Question 4

Which of these is mismatched?

Accepted Answer

A)   ovulation - luteinizing hormone (LH)  peaks
B)   menstruation - follicle-stimulating hormone (FSH)  peaks
C)   secretory phase - progesterone peaks
D)   menstruation - progesterone declines
E)   proliferative phase - estrogen levels riseF) B) and E)
G) B) and C)

Question 5

Animals with both male and female reproductive systems are

Accepted Answer

A)   hermaphroditic.
B)   chimeric.
C)   parthenogenetic.
D)   asexual.
E)   menopausal.F) A) and E)
G) C) and D)

Question 6

The second half of the ovarian cycle is termed the _____ phase.

Accepted Answer

A)   ovulatory
B)   follicular
C)   luteal
D)   menstrual
E)   menopausalF) B) and E)
G) B) and D)

Question 7

If you could mark the ectoderm of a mouse embryo so that all tissues and organs descended from ectoderm were easily identifiable, where would you expect to find the marker?

Accepted Answer

A)   skeletal muscles and dermis
B)   cardiovascular and reproductive systems
C)   nervous system and epidermis
D)   lining of the digestive and respiratory tracts
E)   urinary bladder and its liningF) None of the above
G) A) and E)

Question 8

Which of these serves as the female organ of copulation and the birth canal?

Accepted Answer

A)   uterus
B)   oviduct
C)   ovary
D)   vagina
E)   urethraF) A) and B)
G) A) and C)

Question 9

If a woman has been diagnosed with genital warts, she should be examined regularly for

Accepted Answer

A)   cervical cancer.
B)   liver cancer.
C)   pelvic inflammatory disease (PI
D)  .
D)   gummas.
E)   skin cancer.F) B) and D)
G) C) and D)

Question 10

Which of the following is 100% effective against both pregnancy and STDs?

Accepted Answer

A)   vasectomy
B)   female condom
C)   diaphragm
D)   tubal ligation
E)   abstinenceF) D) and E)
G) C) and D)

Question 11

If a man has such severe infertility that his sperm are incapable of penetrating an oocyte and achieving fertilization, then the best assisted reproductive technology for him and his partner would be

Accepted Answer

A)   IVF.
B)   AID.
C)   GIFT.
D)   ICSI.
E)   E.IUD.F) None of the above
G) A) and B)

Question 12

The failure of a couple to achieve pregnancy after a year of regular, unprotected intercourse is termed

Accepted Answer

A)   parthenogenesis.
B)   menopause.
C)   contraception.
D)   infertility.
E)   abortion.F) B) and E)
G) B) and D)

Question 13

Which lifestyle is most likely to lead to infertility in a male?

Accepted Answer

A)   a man who is a semiprofessional athlete
B)   a manwho works as a computer programmer and sits at a desk the majority of the day
C)   a manwho works as a mechanic
D)   a man who works for a company that applies pesticides to lawns
E)   a man who works as a teacherF) C) and D)
G) B) and C)

Question 14

Sperm are produced

Accepted Answer

A)   by Sertoli cells.
B)   in the epididymis.
C)   by interstitial cells.
D)   in the seminiferous tubules.
E)   in the seminal vesicles.F) All of the above
G) A) and E)

Question 15

A pregnant woman has passed her due date, and her cervix is dilated. This indicates which stage of childbirth?

Accepted Answer

A)   first
B)   second
C)   third
D)   fourth
E)   fifthF) A) and B)
G) All of the above

Question 16

Which list contains the correct sequence of structures a sperm nucleus must penetrate in order to fertilize an egg?

Accepted Answer

A)   egg plasma membrane→follicle cells→zona pellucida
B)   follicle cells→egg plasma membrane→zona pellucida
C)   follicle cells→zona pellucida→egg plasma membrane
D)   egg plasma membrane→zona pellucida→follicle cells
E)   zona pellucida→follicle cells→egg plasma membraneF) D) and E)
G) A) and E)

Question 17

Ovulation usually occurs on day _____ of a woman's cycle.

Accepted Answer

A)   0
B)   7
C)   14
D)   21
E)   28F) All of the above
G) B) and E)

Question 18

Which type of assisted reproductive technology allows the doctor to evaluate the embryo for genetic defects before it is placed into the uterus?

Accepted Answer

A)   ICSI
B)   AID
C)   IVF
D)   GIFT
E)   It is impossible to test the embryo for genetic diseases prior to assisted reproductive technology.F) A) and B)
G) C) and E)

Question 19

How does follicle-stimulating hormone (FSH)  affect the male reproductive system?

Accepted Answer

A)   promotes testosterone production
B)   causes erection
C)   promotes spermatogenesis
D)   stimulates ovulation
E)   triggers ejaculationF) B) and E)
G) C) and D)

Question 20

In the figure shown here, which of the following is the prostate gland?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) A) and D)
G) B) and D)

Exam 29: Reproduction and Embryonic Development

If a woman has been diagnosed with genital warts, she should be examined regularly for

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

Which type of assisted reproductive technology allows the doctor to evaluate the embryo for genetic defects before it is placed into the uterus?

Correct AnswerverifiedShow Answer

A pregnant woman has passed her due date, and her cervix is dilated. This indicates which stage of childbirth?

Correct AnswerverifiedShow Answer

How does follicle-stimulating hormone (FSH) affect the male reproductive system?

Correct AnswerverifiedShow Answer

Which of the following is 100% effective against both pregnancy and STDs?

Correct AnswerverifiedShow Answer

Which list contains the correct sequence of structures a sperm nucleus must penetrate in order to fertilize an egg?

Correct AnswerverifiedShow Answer

The second half of the ovarian cycle is termed the _____ phase.

Correct AnswerverifiedShow Answer

Which lifestyle is most likely to lead to infertility in a male?

Correct AnswerverifiedShow Answer

Which of these is viviparous?

Correct AnswerverifiedShow Answer

In which stage do the three germ layers form?

Correct AnswerverifiedShow Answer

Animals with both male and female reproductive systems are

Correct AnswerverifiedShow Answer

Ovulation usually occurs on day _____ of a woman's cycle.

Correct AnswerverifiedShow Answer

The failure of a couple to achieve pregnancy after a year of regular, unprotected intercourse is termed

Correct AnswerverifiedShow Answer

If you could mark the ectoderm of a mouse embryo so that all tissues and organs descended from ectoderm were easily identifiable, where would you expect to find the marker?

Correct AnswerverifiedShow Answer

Which of these serves as the female organ of copulation and the birth canal?

Correct AnswerverifiedShow Answer

In the figure shown here, which of the following is the prostate gland?

Correct AnswerverifiedShow Answer

If a man has such severe infertility that his sperm are incapable of penetrating an oocyte and achieving fertilization, then the best assisted reproductive technology for him and his partner would be

Correct AnswerverifiedShow Answer

Which statement is correct about the placenta?

Correct AnswerverifiedShow Answer

Sperm are produced

Correct AnswerverifiedShow Answer

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