Question 1

You are reading a patient's chart and decide that ovulation has happened.What did the chart show surging to make you think this?

Accepted Answer

A)   FSH
B)   LH
C)   estrogen
D)   progesterone
E)   GnRHF) A) and D)
G) A) and E)

Question 2

Male athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because of negative feedback on the

Accepted Answer

A)   epididymis.
B)   testes.
C)   vas deferens.
D)   prostate.
E)   hypothalamus.F) None of the above
G) B) and D) B

Question 3

In the late 1950s,some women took ________ as a tranquilizer to relieve morning sickness and it caused deformed limbs in developing embryos.

Accepted Answer

A)   acetaminophen
B)   acutane
C)   erythromycin
D)   thalidomide
E)   penicillinF) A) and B)
G) A) and C) D

Question 4

When a female cuttlefish accepts a male's mating attempt,the two animals align head-to-head,and he inserts a sperm packet into her body.This is an example of

Accepted Answer

A)   sexual internal fertilization.
B)   sexual external fertilization.
C)   asexual internal fertilization.
D)   asexual external fertilization.
E)   hermaphroditic fertilization.F) C) and D)
G) B) and E)

Question 5

A gene called the ________ must be activated at week seven of embryonic development for male sex organs and glands to develop.

Accepted Answer

A)   sex-determining gene on the Y chromosome
B)   GnRH
C)   FSH
D)   sex-determining gene on the X chromosome
E)   GHF) All of the above
G) A) and B)

Question 6

Mature human sperm cells

Accepted Answer

A)   are haploid.
B)   are secondary spermatocytes.
C)   contain 46 chromosomes.
D)   are primary spermatocytes.
E)   undergo meiosis.F) A) and B)
G) A) and D)

Question 7

Cilia sweep the released mature oocyte from an ovary into the

Accepted Answer

A)   cervix.
B)   uterine tube.
C)   labia majora.
D)   uterus.
E)   vagina.F) All of the above
G) A) and D)

Question 8

An intrauterine device (IUD)prevents pregnancy by blocking the sperms from entering into the vagina.

Accepted Answer

A) True 
 B)False

Question 9

The cap-like ________ covers the head of the sperm and releases enzymes that will help the sperm penetrate the egg.

Accepted Answer

A)   epididymis
B)   vas deferens
C)   acrosome
D)   mitochondria
E)   nucleusF) B) and D)
G) All of the above

Question 10

The causes of PMS are clearly related to hormonal fluctuations,but they are not yet fully understood.

Accepted Answer

A) True 
 B)False

Question 11

Human development exemplifies direct development,since the baby resembles the adult.

Accepted Answer

A) True 
 B)False

Question 12

The expulsion of the placenta does not occur until the final stage of labor,since up to that point the placenta

Accepted Answer

A)   removes waste from the fetus.
B)   provides nourishment to the fetus.
C)   provides oxygen to the fetus.
D)   removes carbon dioxide from the fetus.
E)   All answers are correct.F) A) and B)
G) All of the above

Question 13

Fertilization of a secondary oocyte normally occurs in the

Accepted Answer

A)   ovary.
B)   vagina.
C)   Fallopian tube.
D)   uterus.
E)   cervix.F) A) and B)
G) B) and E)

Question 14

In the Australian giant cuttlefish,males compete to mate with females.Smaller males sometimes succeed in mating by

Accepted Answer

A)   fighting and winning against larger males.
B)   attracting a female with a lavish dance.
C)   attacking a female and forcing mating with her.
D)   disguising themselves as a female to gain access to a female.
E)   releasing sperm into the water to perform external fertilization.F) A) and D)
G) A) and E)

Question 15

Often a woman may first suspect she is pregnant when she misses her period,which is due to

Accepted Answer

A)   chorionic gonadotropin causing the corpus luteum to continue producing progesterone inhibiting GnRH release.
B)   chorionic gonadotropin blocking the corpus luteum from producing progesterone inhibiting GnRH release.
C)   follicle-stimulating hormone causing the corpus luteum to continue producing progesterone inhibiting GnRH release.
D)   follicle-stimulating hormone blocking the corpus luteum from continuing to produce progesterone inhibiting GnRH release.
E)   luteinizing hormone blocking the corpus luteum from continuing to produce progesterone inhibiting GnRH release.F) A) and D)
G) A) and C) A

Question 16

A cervical cap is a silicone cup that fits within the vagina and covers the cervix.This contraceptive

Accepted Answer

A)   prevents sperm from reaching the egg.
B)   prevents ovulation.
C)   leads to a non-viable embryo.
D)   prevents implantation in the uterine wall.
E)   because it is made of silicone, kills sperm.F) D) and E)
G) A) and D)

Question 17

You are working with a male patient suffering from infertility.Examination shows no problems until a blockage in a tube that extends from the scrotum and connects to the ejaculatory duct.You tell the patient that the infertility is probably due to damage to his

Accepted Answer

A)   epididymis.
B)   ureter.
C)   urethra.
D)   seminiferous tubule.
E)   vas deferens.F) A) and B)
G) C) and D)

Question 18

Birth control pills contain a combination of estrogen and progesterone and prevent pregnancy by

Accepted Answer

A)   preventing sperm from reaching the egg.
B)   leading to a non-viable embryo.
C)   preventing implantation in the uterine wall.
D)   acting as a spermicide, killing sperm.
E)   preventing ovulation.F) A) and E)
G) A) and B)

Question 19

What evidence would cause you to think that a preembryo had split before day 12 of a patient's pregnancy?

Accepted Answer

A)   polar bodies
B)   secondary oocytes
C)   fraternal twins
D)   identical twins
E)   embryonic discsF) A) and B)
G) C) and E)

Question 20

A baby turtle growing into an adult that appears similar is an example of

Accepted Answer

A)   direct development.
B)   external fertilization.
C)   internal fertilization.
D)   indirect development.
E)   differentiation.F) None of the above
G) A) and E)

Exam 30: Animal Reproduction and Development

You are reading a patient's chart and decide that ovulation has happened.What did the chart show surging to make you think this?

Correct AnswerverifiedShow Answer

Male athletes who take synthetic steroids can become sterile due to lack of sperm production.This is because of negative feedback on the

Correct AnswerverifiedB

In the late 1950s,some women took ________ as a tranquilizer to relieve morning sickness and it caused deformed limbs in developing embryos.

Correct AnswerverifiedD

When a female cuttlefish accepts a male's mating attempt,the two animals align head-to-head,and he inserts a sperm packet into her body.This is an example of

Correct AnswerverifiedShow Answer

A gene called the ________ must be activated at week seven of embryonic development for male sex organs and glands to develop.

Correct AnswerverifiedShow Answer

Mature human sperm cells

Correct AnswerverifiedShow Answer

Cilia sweep the released mature oocyte from an ovary into the

Correct AnswerverifiedShow Answer

An intrauterine device (IUD)prevents pregnancy by blocking the sperms from entering into the vagina.

Correct AnswerverifiedShow Answer

The cap-like ________ covers the head of the sperm and releases enzymes that will help the sperm penetrate the egg.

Correct AnswerverifiedShow Answer

The causes of PMS are clearly related to hormonal fluctuations,but they are not yet fully understood.

Correct AnswerverifiedShow Answer

Human development exemplifies direct development,since the baby resembles the adult.

Correct AnswerverifiedShow Answer

The expulsion of the placenta does not occur until the final stage of labor,since up to that point the placenta

Correct AnswerverifiedShow Answer

Fertilization of a secondary oocyte normally occurs in the

Correct AnswerverifiedShow Answer

In the Australian giant cuttlefish,males compete to mate with females.Smaller males sometimes succeed in mating by

Correct AnswerverifiedShow Answer

Often a woman may first suspect she is pregnant when she misses her period,which is due to

Correct AnswerverifiedA

A cervical cap is a silicone cup that fits within the vagina and covers the cervix.This contraceptive

Correct AnswerverifiedShow Answer

You are working with a male patient suffering from infertility.Examination shows no problems until a blockage in a tube that extends from the scrotum and connects to the ejaculatory duct.You tell the patient that the infertility is probably due to damage to his

Correct AnswerverifiedShow Answer

Birth control pills contain a combination of estrogen and progesterone and prevent pregnancy by

Correct AnswerverifiedShow Answer

What evidence would cause you to think that a preembryo had split before day 12 of a patient's pregnancy?

Correct AnswerverifiedShow Answer

A baby turtle growing into an adult that appears similar is an example of

Correct AnswerverifiedShow Answer

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D

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