Question 1

A high level of FSH increases the likelihood of

Accepted Answer

A)  identical twins. 
B)  fraternal twins. 
C)  conjoined twins. 
D)  a single birth. 
E)  infertility. 
A)  identical twins. 
B)  fraternal twins. 
C)  conjoined twins. 
D)  a single birth. 
E)  infertility.

Question 2

The mesoderm is responsible for the formation of all of the following adult tissues EXCEPT the

Accepted Answer

A)  reproductive system. 
B)  circulatory system. 
C)  nervous system. 
D)  muscle system. 
E)  excretory system. 
A)  reproductive system. 
B)  circulatory system. 
C)  nervous system. 
D)  muscle system. 
E)  excretory system.

Question 3

Mesoderm that arises from the embryonic disk near the neural tube will become

Accepted Answer

A)  digestive organs. 
B)  reproductive organs. 
C)  the heart. 
D)  most bones and skeletal muscles of the neck and trunk. 
E)  the lungs. 
A)  digestive organs. 
B)  reproductive organs. 
C)  the heart. 
D)  most bones and skeletal muscles of the neck and trunk. 
E)  the lungs.

Question 4

The nervous system develops primarily from

Accepted Answer

A)  ectoderm. 
B)  mesoderm. 
C)  endoderm. 
D)  the placenta. 
E)  the gray crescent. 
A)  ectoderm. 
B)  mesoderm. 
C)  endoderm. 
D)  the placenta. 
E)  the gray crescent.

Question 5

Which of the following hormones is produced only when a woman is pregnant?

Accepted Answer

A)  testosterone 
B)  gonadotropic-releasing hormone 
C)  human chorionic gonadotropin 
D)  estrogen 
E)  progesterone 
A)  testosterone 
B)  gonadotropic-releasing hormone 
C)  human chorionic gonadotropin 
D)  estrogen 
E)  progesterone

Question 6

In an ectopic pregnancy, implantation occurs

Accepted Answer

A)  in the oviduct. 
B)  on the outside of the uterus. 
C)  on the abdominal wall. 
D)  on the surface of the ovary. 
E)  anywhere outside the uterus. 
A)  in the oviduct. 
B)  on the outside of the uterus. 
C)  on the abdominal wall. 
D)  on the surface of the ovary. 
E)  anywhere outside the uterus.

Question 7

The notochord will serve as a template for the formation of the

Accepted Answer

A)  spinal cord. 
B)  vertebral column. 
C)  brain. 
D)  peripheral nervous system. 
E)  brain stem. 
A)  spinal cord. 
B)  vertebral column. 
C)  brain. 
D)  peripheral nervous system. 
E)  brain stem.

Question 8

The average life expectancy for females in the United States is

Accepted Answer

A)  80 years. 
B)  79 years. 
C)  76 years. 
D)  74 years. 
E)  65 years. 
A)  80 years. 
B)  79 years. 
C)  76 years. 
D)  74 years. 
E)  65 years.

Question 9

Match between columns
                        Premises: This stage appears as a multicellular, hollow sphere.
The gut cavity of an animal forms during this stage.
The major germ layers are formed during this stage.
This stage might be described as a "solid ball".
This is the fertilized egg.

Accepted Answer

The Answer of morula and blastocyst and zygote and gastrula. is...

Question 10

During a human pregnancy, implantation occurs at which stage?

Accepted Answer

A)  zygote 
B)  early cleavage 
C)  blastocyst 
D)  gastrula 
E)  morula 
A)  zygote 
B)  early cleavage 
C)  blastocyst 
D)  gastrula 
E)  morula

Question 11

Which of the following systems is the last of those listed below to begin development in the human embryo?

Accepted Answer

A)  nervous system 
B)  excretory system 
C)  reproductive system 
D)  skeletal system 
E)  respiratory system 
A)  nervous system 
B)  excretory system 
C)  reproductive system 
D)  skeletal system 
E)  respiratory system

Question 12

The procedure in which tissue is suctioned from the placenta and analyzed for fetal abnormalities is called

Accepted Answer

A)  chorionic villus sampling. 
B)  preimplantation diagnosis. 
C)  amniocentesis. 
D)  fetoscopy. 
E)  senescence. 
A)  chorionic villus sampling. 
B)  preimplantation diagnosis. 
C)  amniocentesis. 
D)  fetoscopy. 
E)  senescence.

Question 13

A deficiency of which nutrient will interfere with the proper development of the neural tube?

Accepted Answer

A)  vitamin A 
B)  vitamin D 
C)  vitamin C 
D)  vitamin B12 
E)  folic acid 
A)  vitamin A 
B)  vitamin D 
C)  vitamin C 
D)  vitamin B12 
E)  folic acid

Question 14

The first evidence of where the nerve cord will lie in the embryo is the

Accepted Answer

A)  neural tube. 
B)  chorionic villus. 
C)  embryonic somite. 
D)  primitive streak. 
E)  neural plate. 
A)  neural tube. 
B)  chorionic villus. 
C)  embryonic somite. 
D)  primitive streak. 
E)  neural plate.

Question 15

In humans, the fluid immediately surrounding the embryo functions to

Accepted Answer

A)  nourish the embryo. 
B)  isulate the embyo. 
C)  remove waste products. 
D)  house the yolk sac. 
E)  produce hCG. 
A)  nourish the embryo. 
B)  isulate the embyo. 
C)  remove waste products. 
D)  house the yolk sac. 
E)  produce hCG.

Question 16

The process by which body tissues and organs form is

Accepted Answer

A)  cleavage 
B)  differentiation 
C)  morphogenesis 
D)  metamorphosis 
E)  ovulation 
A)  cleavage 
B)  differentiation 
C)  morphogenesis 
D)  metamorphosis 
E)  ovulation

Question 17

Selecting the Exception Four of the five answers listed below are events associated with the aging process. Select the exception.

Accepted Answer

A)  skin wrinkling 
B)  increased metabolism 
C)  decreased muscle mass 
D)  altered collagen 
E)  increased fat deposition 
A)  skin wrinkling 
B)  increased metabolism 
C)  decreased muscle mass 
D)  altered collagen 
E)  increased fat deposition

Question 18

What is the name of the birth defect in which the neural tube fails to close completely?

Accepted Answer

A)  neurulation 
B)  fossa ovalis 
C)  organogenesis 
D)  spina bifida 
E)  capacitation 
A)  neurulation 
B)  fossa ovalis 
C)  organogenesis 
D)  spina bifida 
E)  capacitation

Question 19

The procedure by which embryos produced during in vitro fertilization are tested for defects is called

Accepted Answer

A)  chorionic villus sampling. 
B)  preimplantation diagnosis. 
C)  amniocentesis. 
D)  fetoscopy. 
E)  senescence. 
A)  chorionic villus sampling. 
B)  preimplantation diagnosis. 
C)  amniocentesis. 
D)  fetoscopy. 
E)  senescence.

Question 20

Pharyngeal arches will become all of the following EXCEPT

Accepted Answer

A)  the face. 
B)  the neck. 
C)  the mouth. 
D)  structures associated with the head region. 
E)  lower stomach. 
A)  the face. 
B)  the neck. 
C)  the mouth. 
D)  structures associated with the head region. 
E)  lower stomach.

Exam 17: Development and Aging

A high level of FSH increases the likelihood of

The mesoderm is responsible for the formation of all of the following adult tissues EXCEPT the

Mesoderm that arises from the embryonic disk near the neural tube will become

The nervous system develops primarily from

Which of the following hormones is produced only when a woman is pregnant?

In an ectopic pregnancy, implantation occurs

The notochord will serve as a template for the formation of the

The average life expectancy for females in the United States is

During a human pregnancy, implantation occurs at which stage?

Which of the following systems is the last of those listed below to begin development in the human embryo?

The procedure in which tissue is suctioned from the placenta and analyzed for fetal abnormalities is called

A deficiency of which nutrient will interfere with the proper development of the neural tube?

The first evidence of where the nerve cord will lie in the embryo is the

In humans, the fluid immediately surrounding the embryo functions to

The process by which body tissues and organs form is

Selecting the Exception Four of the five answers listed below are events associated with the aging process. Select the exception.

What is the name of the birth defect in which the neural tube fails to close completely?

The procedure by which embryos produced during in vitro fertilization are tested for defects is called

Pharyngeal arches will become all of the following EXCEPT

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA, Genes, and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

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