Question 1

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)  penicillin 
A)  acetaminophen 
B)  acutane 
C)  erythromycin 
D)  thalidomide 
E)  penicillin D

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. 
A)  epididymis. 
B)  testes. 
C)  vas deferens. 
D)  prostate. 
E)  hypothalamus. B

Question 3

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. 
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. A

Question 4

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 discs 
A)  polar bodies 
B)  secondary oocytes 
C)  fraternal twins 
D)  identical twins 
E)  embryonic discs

Question 5

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. 
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.

Question 6

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. 
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.

Question 7

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

Question 8

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)  GH 
A)  sex-determining gene on the Y chromosome 
B)  GnRH 
C)  FSH 
D)  sex-determining gene on the X chromosome 
E)  GH

Question 9

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

Accepted Answer

A) True 
 B)False

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

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. 
A)  direct development. 
B)  external fertilization. 
C)  internal fertilization. 
D)  indirect development. 
E)  differentiation.

Question 12

Fertilization of a secondary oocyte normally occurs in the

Accepted Answer

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

Question 13

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. 
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.

Question 14

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)  nucleus 
A)  epididymis 
B)  vas deferens 
C)  acrosome 
D)  mitochondria 
E)  nucleus

Question 15

Mature human sperm cells

Accepted Answer

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

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

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)  GnRH 
A)  FSH 
B)  LH 
C)  estrogen 
D)  progesterone 
E)  GnRH

Question 18

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. 
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.

Question 19

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

Question 20

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. 
A)  cervix. 
B)  uterine tube. 
C)  labia majora. 
D)  uterus. 
E)  vagina.

Exam 30: Animal Reproduction and Development

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

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

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

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

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

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

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

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

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

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

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

Fertilization of a secondary oocyte normally occurs in the

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

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

Mature human sperm cells

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

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

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

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

Cilia sweep the released mature oocyte from an ovary into the

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Filters