Question 1

The embryo implants in the of the uterus.

Accepted Answer

A) myometrium 
B) exometrium 
C) perimetrium 
D) endometrium 
A) myometrium 
B) exometrium 
C) perimetrium 
D) endometrium D

Question 2

Which of the following processes dominates the third trimester of human development?

Accepted Answer

A) rapid growth 
B) formation of hair and fingernails 
C) organ formation 
D) formation of external features such as arms and legs 
A) rapid growth 
B) formation of hair and fingernails 
C) organ formation 
D) formation of external features such as arms and legs A

Question 3

Men who take very long,hot baths are likely to

Accepted Answer

A) produce healthier sperm. 
B) produce more sperm and ones that are healthier. 
C) produce fewer sperm. 
D) produce more sperm. 
A) produce healthier sperm. 
B) produce more sperm and ones that are healthier. 
C) produce fewer sperm. 
D) produce more sperm. C

Question 4

Which of the following statements regarding infertility and fertilization procedures is true?

Accepted Answer

A) In GIFT,sperm are injected into an embryo in vitro,and the embryo is placed into the oviducts. 
B) Children conceived using reproductive technologies such as IVF and ICSI display a high rate of abnormalities resulting from these procedures. 
C) In IVF,fertilization occurs in a dish.The embryo is allowed to develop for several days,then the embryo is placed into the uterus. 
D) Embryos fertilized through assisted reproductive technologies cannot be frozen for later use,as they degrade rapidly. 
A) In GIFT,sperm are injected into an embryo in vitro,and the embryo is placed into the oviducts. 
B) Children conceived using reproductive technologies such as IVF and ICSI display a high rate of abnormalities resulting from these procedures. 
C) In IVF,fertilization occurs in a dish.The embryo is allowed to develop for several days,then the embryo is placed into the uterus. 
D) Embryos fertilized through assisted reproductive technologies cannot be frozen for later use,as they degrade rapidly.

Question 5

When does the human blastocyst implant in the wall of the uterus?

Accepted Answer

A) only after all four extraembryonic membranes become established. 
B) within a few hours of fertilization 
C) about a day after conception 
D) about a week after conception 
A) only after all four extraembryonic membranes become established. 
B) within a few hours of fertilization 
C) about a day after conception 
D) about a week after conception

Question 6

Which of the following processes is most similar to the process of cleavage?

Accepted Answer

A) stringing beads onto a string 
B) slicing up a pie into eight pieces 
C) inflating a balloon 
D) melting a stick of butter in a hot pan 
A) stringing beads onto a string 
B) slicing up a pie into eight pieces 
C) inflating a balloon 
D) melting a stick of butter in a hot pan

Question 7

Reproductive systems with external fertilization are most common in

Accepted Answer

A) animals that are widely dispersed. 
B) aquatic animals. 
C) populations with many more males than females. 
D) terrestrial animals. 
A) animals that are widely dispersed. 
B) aquatic animals. 
C) populations with many more males than females. 
D) terrestrial animals.

Question 8

In which part of the human female reproductive system does fertilization normally take place?

Accepted Answer

A) part A 
B) part B 
C) part C 
D) part D 
A) part A 
B) part B 
C) part C 
D) part D

Question 9

A major goal of developmental research is to understand

Accepted Answer

A) DNA transcription. 
B) how DNA directs formation of a three- dimensional animal. 
C) evolutionary similarities between species. 
D) hormone interactions. 
A) DNA transcription. 
B) how DNA directs formation of a three- dimensional animal. 
C) evolutionary similarities between species. 
D) hormone interactions.

Question 10

Which of the following structures contributes to the structure of the placenta as well as completely surrounding the embryo?

Accepted Answer

A) yolk sac 
B) allantois 
C) amnion 
D) chorion 
A) yolk sac 
B) allantois 
C) amnion 
D) chorion

Question 11

Which of the following options correctly lists the three stages of labor in the order in which they occur?

Accepted Answer

A) dilation,crowning,expulsion 
B) contractions,dilation,expulsion 
C) dilation,crowning,delivery of the placenta 
D) dilation,expulsion,delivery of the placenta 
A) dilation,crowning,expulsion 
B) contractions,dilation,expulsion 
C) dilation,crowning,delivery of the placenta 
D) dilation,expulsion,delivery of the placenta

Question 12

After being produced in the testes,sperm mature further in a structure called the

Accepted Answer

A) vas deferens. 
B) seminal vesicle. 
C) prostate. 
D) epididymis. 
A) vas deferens. 
B) seminal vesicle. 
C) prostate. 
D) epididymis.

Question 13

Which of the following generates the ATP that is required for movement of the sperm's tail?

Accepted Answer

A) a mitochondrion in the neck and middle piece 
B) the acrosome 
C) mitochondria in the sperm tail 
D) the sperm plasma membrane 
A) a mitochondrion in the neck and middle piece 
B) the acrosome 
C) mitochondria in the sperm tail 
D) the sperm plasma membrane

Question 14

Which of the following STDs is caused by a virus that can also cause cancer?

Accepted Answer

A) syphilis 
B) candidiasis 
C) gonorrhea 
D) genital warts 
A) syphilis 
B) candidiasis 
C) gonorrhea 
D) genital warts

Question 15

Which of the following events occurs first during embryonic development?

Accepted Answer

A) gastrulation 
B) cleavage 
C) neurulation 
D) organ formation 
A) gastrulation 
B) cleavage 
C) neurulation 
D) organ formation

Question 16

Hermaphrodites are animals that

Accepted Answer

A) possess both male and female reproductive systems. 
B) develop from unfertilized eggs. 
C) must fertilize themselves. 
D) have the gonads of one sex but the external appearance of the other. 
A) possess both male and female reproductive systems. 
B) develop from unfertilized eggs. 
C) must fertilize themselves. 
D) have the gonads of one sex but the external appearance of the other.

Question 17

Contractions in uterine smooth muscle during labor are initiated by

Accepted Answer

A) oxytocin. 
B) prolactin. 
C) estrogen. 
D) epinephrine. 
A) oxytocin. 
B) prolactin. 
C) estrogen. 
D) epinephrine.

Question 18

Cells migrate from one place to another during gastrulation using

Accepted Answer

A) flagella. 
B) cellular protrusions. 
C) peristalsis. 
D) cilia. 
A) flagella. 
B) cellular protrusions. 
C) peristalsis. 
D) cilia.

Question 19

Which of the following is not a potential advantage of asexual reproduction?

Accepted Answer

A) It saves the time and energy required to produce gametes. 
B) It allows animals that are genetically well suited to a particular environment to quickly expand their populations. 
C) It allows animals that do not move around to produce offspring without finding mates. 
D) It produces genetically diverse populations. 
A) It saves the time and energy required to produce gametes. 
B) It allows animals that are genetically well suited to a particular environment to quickly expand their populations. 
C) It allows animals that do not move around to produce offspring without finding mates. 
D) It produces genetically diverse populations.

Question 20

At which gestational age does a developing human fetus first look obviously human and not like other vertebrate embryos?

Accepted Answer

A) 4 weeks 
B) 9 weeks 
C) 4 months 
D) 2 weeks 
A) 4 weeks 
B) 9 weeks 
C) 4 months 
D) 2 weeks

Exam 27: Reproduction and Embryonic Development

The embryo implants in the of the uterus.

Which of the following processes dominates the third trimester of human development?

Men who take very long,hot baths are likely to

Which of the following statements regarding infertility and fertilization procedures is true?

When does the human blastocyst implant in the wall of the uterus?

Which of the following processes is most similar to the process of cleavage?

Reproductive systems with external fertilization are most common in

In which part of the human female reproductive system does fertilization normally take place?

A major goal of developmental research is to understand

Which of the following structures contributes to the structure of the placenta as well as completely surrounding the embryo?

Which of the following options correctly lists the three stages of labor in the order in which they occur?

After being produced in the testes,sperm mature further in a structure called the

Which of the following generates the ATP that is required for movement of the sperm's tail?

Which of the following STDs is caused by a virus that can also cause cancer?

Which of the following events occurs first during embryonic development?

Hermaphrodites are animals that

Contractions in uterine smooth muscle during labor are initiated by

Cells migrate from one place to another during gastrulation using

Which of the following is not a potential advantage of asexual reproduction?

At which gestational age does a developing human fetus first look obviously human and not like other vertebrate embryos?

Biology: Exploring Life

The Chemical Basis of Life

The Molecules of Cells

A Tour of the Cell

The Working Cell

How Cells Harvest Chemical Energy

Photosynthesis: Using Light to Make Food

The Cellular Basis of Reproduction and Inheritance

Patterns of Inheritance

Molecular Biology of the Gene

How Genes Are Controlled

Dna Technology and Genomics

How Populations Evolve

The Origin of Species

Tracing Evolutionary History

Microbial Life: Prokaryotes and Protists

The Evolution of Plant and Fungal Diversity

The Evolution of Invertebrate Diversity

The Evolution of Vertebrate Diversity

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Gas Exchange

Circulation

The Immune System

Control of Body Temperature and Water Balance

Hormones and the Endocrine System

Nervous Systems

The Senses

How Animals Move

Plant Structure,growth,and Reproduction

Plant Nutrition and Transport

Control Systems in Plants

The Biosphere: an Introduction to Earths Diverse Environments

Behavioral Adaptations to the Environment

Population Ecology

Communities and Ecosystems

Conservation Biology

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