Question 1

Normally,fertilization occurs in the ________ and implantation occurs in the ________.

Accepted Answer

A) vagina; uterus 
B) uterus; ovary 
C) fallopian tube (oviduct); uterus 
D) ovary; fallopian tube (oviduct) 
A) vagina; uterus 
B) uterus; ovary 
C) fallopian tube (oviduct); uterus 
D) ovary; fallopian tube (oviduct)

Question 2

The pre-embryo becomes a hollow ball of cells with a fluid-filled cavity by about day 6 of development.This stage is called a ________.

Accepted Answer

A) blastocoel 
B) morula 
C) blastula 
D) blastocyst 
A) blastocoel 
B) morula 
C) blastula 
D) blastocyst

Question 3

The ________ is the organ that delivers oxygen and nutrients and removes carbon dioxide and wastes for the embryo and later fetus.

Accepted Answer

The answer of The ________ is the organ that delivers...

Question 4

Match each definition in the first column to the correct term in the second column.
-The hormone secreted by the blastocyst that is found in the mother's urine and is the basis for most pregnancy tests.

Accepted Answer

A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula 
A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula

Question 5

The period that begins at week 9 of development is the ________.

Accepted Answer

The answer of The period that begins at week 9...

Question 6

What are some of the possible factors associated with aging?

Accepted Answer

The changes in immune system,hormone sec

Question 7

When two secondary oocytes are released from the ovaries and are fertilized by different sperm cells,it is called ________.

Accepted Answer

A) fraternal twins 
B) identical twins 
C) conjoined twins 
D) clones 
A) fraternal twins 
B) identical twins 
C) conjoined twins 
D) clones

Question 8

A male has a genetic disease coded for on his Y chromosome.Which parent passed on this trait?

Accepted Answer

A) the mom 
B) the dad 
C) either the mom or dad 
D) neither parent: it is a spontaneous mutation 
A) the mom 
B) the dad 
C) either the mom or dad 
D) neither parent: it is a spontaneous mutation

Question 9

Match each definition in the first column to the correct term in the second column.
-Another name for birth.

Accepted Answer

A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula 
A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula

Question 10

Which cells migrate to the gonads,where they differentiate into immature cells that will eventually become sperm or oocytes?

Accepted Answer

A) primordial germ cells 
B) embryonic disk 
C) allantois 
D) yolk sac 
A) primordial germ cells 
B) embryonic disk 
C) allantois 
D) yolk sac

Question 11

Match each definition in the first column to the correct term in the second column.
-A secondary oocyte is released from the ovary and travels down the oviduct.

Accepted Answer

A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula 
A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula

Question 12

Identical twins occur when ________.

Accepted Answer

A) two eggs are released and are fertilized by two different sperm 
B) two eggs are released and are fertilized by the same sperm 
C) one egg is released and is fertilized by one sperm, and the pre-embryo later splits into two 
D) one egg is released and is fertilized by one sperm, and the fetus later splits into two 
A) two eggs are released and are fertilized by two different sperm 
B) two eggs are released and are fertilized by the same sperm 
C) one egg is released and is fertilized by one sperm, and the pre-embryo later splits into two 
D) one egg is released and is fertilized by one sperm, and the fetus later splits into two

Question 13

Compare and contrast breast-feeding with bottle-feeding infants.

Accepted Answer

Breast-feeding may have several benefits

Question 14

Carla is taking a home pregnancy test to find out if she is pregnant.If this test comes back positive,which hormone has it detected in Carla's urine?

Accepted Answer

A) estrogen 
B) relaxin 
C) progesterone 
D) human chorionic gonadotropin (HCG) 
A) estrogen 
B) relaxin 
C) progesterone 
D) human chorionic gonadotropin (HCG)

Question 15

In ectopic pregnancy the vast majority of implantations occur in the ________.

Accepted Answer

A) oviduct 
B) uterus 
C) vagina 
D) ovary 
A) oviduct 
B) uterus 
C) vagina 
D) ovary

Question 16

Which of the following is the correct sequence of events during pre-embryonic development?

Accepted Answer

A) morula → cleavage → implantation → blastocyst 
B) implantation → cleavage → morula → blastocyst 
C) cleavage → morula → blastocyst → implantation 
D) cleavage → blastocyst → morula → implantation 
A) morula → cleavage → implantation → blastocyst 
B) implantation → cleavage → morula → blastocyst 
C) cleavage → morula → blastocyst → implantation 
D) cleavage → blastocyst → morula → implantation

Question 17

The fetal period is characterized by ________.

Accepted Answer

A) the formation of organ systems 
B) neurulation 
C) germ layer formation 
D) growth and preparation of fetal organ systems for their eventual functions 
A) the formation of organ systems 
B) neurulation 
C) germ layer formation 
D) growth and preparation of fetal organ systems for their eventual functions

Question 18

Match each definition in the first column to the correct term in the second column.
-An abnormal condition in which more than one sperm fertilizes the egg.

Accepted Answer

A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula 
A) Ovulation 
B) Cleavage 
C) Implantation 
D) Human chorionic gonadotropin 
E) Chorion
F)Zygote
G)Parturition
H)Blastocyst
I)Fertilization
J)Placenta
K)Polyspermy
L)Morula

Question 19

About a day after fertilization,the zygote undergoes ________,which is a rapid series of cell divisions.

Accepted Answer

The answer of About a day after fertilization,the zygote undergoes...

Question 20

Heart cells in the embryo will be derived from which germ layer?

Accepted Answer

A) mesoderm 
B) endoderm 
C) ectoderm 
D) none of the above 
A) mesoderm 
B) endoderm 
C) ectoderm 
D) none of the above

Exam 18: Development Throughout Life

Normally,fertilization occurs in the ________ and implantation occurs in the ________.

The pre-embryo becomes a hollow ball of cells with a fluid-filled cavity by about day 6 of development.This stage is called a ________.

The ________ is the organ that delivers oxygen and nutrients and removes carbon dioxide and wastes for the embryo and later fetus.

Match each definition in the first column to the correct term in the second column. -The hormone secreted by the blastocyst that is found in the mother's urine and is the basis for most pregnancy tests.

The period that begins at week 9 of development is the ________.

What are some of the possible factors associated with aging?

When two secondary oocytes are released from the ovaries and are fertilized by different sperm cells,it is called ________.

A male has a genetic disease coded for on his Y chromosome.Which parent passed on this trait?

Match each definition in the first column to the correct term in the second column. -Another name for birth.

Which cells migrate to the gonads,where they differentiate into immature cells that will eventually become sperm or oocytes?

Match each definition in the first column to the correct term in the second column. -A secondary oocyte is released from the ovary and travels down the oviduct.

Identical twins occur when ________.

Compare and contrast breast-feeding with bottle-feeding infants.

Carla is taking a home pregnancy test to find out if she is pregnant.If this test comes back positive,which hormone has it detected in Carla's urine?

In ectopic pregnancy the vast majority of implantations occur in the ________.

Which of the following is the correct sequence of events during pre-embryonic development?

The fetal period is characterized by ________.

Match each definition in the first column to the correct term in the second column. -An abnormal condition in which more than one sperm fertilizes the egg.

About a day after fertilization,the zygote undergoes ________,which is a rapid series of cell divisions.

Heart cells in the embryo will be derived from which germ layer?

Humans in the World of Biology

Chemistry Comes to Life

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Body Organization and Homeostasis

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Neurons: the Matter of the Mind

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Chromosomes and Cell Division

Genetics and Human Inheritance

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Evolution and Our Heritage

Ecology, the Environment, and Us

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Food Safety and Defense

Drugs and the Mind

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a Cardiovascular Disease

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Normally,fertilization occurs in the and implantation occurs in the .