Question 1

Many genes occur in alternative forms called alleles.

Accepted Answer

A) True 
 B)False  True

Question 2

Which of the following is derived from the neural crest cells?

Accepted Answer

A)  Spinal cord 
B)  Brain 
C)  Peripheral nervous system 
D)  All of these are correct 
A)  Spinal cord 
B)  Brain 
C)  Peripheral nervous system 
D)  All of these are correct C

Question 3

Death is defined as the loss of heartbeat and respiration.

Accepted Answer

A) True 
 B)False  False

Question 4

Which of the following is the gene expression seen in sickle-cell disease?

Accepted Answer

A)  Dominance 
B)  Incomplete dominance 
C)  Homozygous recessive 
D)  Codominance 
A)  Dominance 
B)  Incomplete dominance 
C)  Homozygous recessive 
D)  Codominance

Question 5

The prenatal period during which the major organ systems form is the

Accepted Answer

A)  fetal period. 
B)  germinal period. 
C)  embryonic period. 
D)  neonatal period. 
A)  fetal period. 
B)  germinal period. 
C)  embryonic period. 
D)  neonatal period.

Question 6

It is estimated that the newborn's central nervous system contains the adult number of neurons, but subsequent brain growth and maturation add new neuroglia.

Accepted Answer

A) True 
 B)False

Question 7

The onset of puberty is considered to be the beginning of which life stage?

Accepted Answer

A)  early childhood 
B)  late childhood 
C)  adolescence 
D)  young adult 
E)  middle age 
A)  early childhood 
B)  late childhood 
C)  adolescence 
D)  young adult 
E)  middle age

Question 8

Which of the following is the correct order of structures that the sperm must penetrate to fertilize the secondary oocyte?

Accepted Answer

A)  Corona radiata, oocyte plasma membrane and zona pellucida 
B)  Zona pellucida, corona radiata and oocyte plasma membrane 
C)  Corona radiata, zona pellucida and oocyte plasma membrane 
D)  Oocyte plasma membrane, zona radiata and corona pellucida 
A)  Corona radiata, oocyte plasma membrane and zona pellucida 
B)  Zona pellucida, corona radiata and oocyte plasma membrane 
C)  Corona radiata, zona pellucida and oocyte plasma membrane 
D)  Oocyte plasma membrane, zona radiata and corona pellucida

Question 9

Newborns lose between 5 - 10% of their body weight during the first few days of life.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is derived from the endoderm?

Accepted Answer

A)  Brain 
B)  Urinary bladder 
C)  Dermis of skin 
D)  Muscles 
A)  Brain 
B)  Urinary bladder 
C)  Dermis of skin 
D)  Muscles

Question 11

The foramen ovale is an opening that allows fetal blood to pass from the

Accepted Answer

A)  right atrium to the left atrium. 
B)  left atrium to the right atrium. 
C)  right ventricle to the left ventricle. 
D)  left ventricle to the right ventricle. 
E)  fetal liver to the inferior vena cava. 
A)  right atrium to the left atrium. 
B)  left atrium to the right atrium. 
C)  right ventricle to the left ventricle. 
D)  left ventricle to the right ventricle. 
E)  fetal liver to the inferior vena cava.

Question 12

One component of brain death is defined as

Accepted Answer

A)  loss of reflexes. 
B)  lack of spontaneous movement. 
C)  a flat electroencephalogram (EEG). 
A)  loss of reflexes. 
B)  lack of spontaneous movement. 
C)  a flat electroencephalogram (EEG).

Question 13

What is(are) the hormone(s) that the chorion secretes which maintain(s) the endometrium of the uterus?

Accepted Answer

A)  LH 
B)  Human chorionic gonadotropin 
C)  Progesterone and estrogen 
D)  Oxytocin 
A)  LH 
B)  Human chorionic gonadotropin 
C)  Progesterone and estrogen 
D)  Oxytocin

Question 14

Which of the following would NOT provide evidence for a genetic basis for aging?

Accepted Answer

A)  Children of short-lived parents live shorter lives than children of long-lived parents. 
B)  Cells only divide for a set number of divisions. 
C)  Cell lines become nonfunctional before their maximum number of divisions is reached. 
D)  Smoking and excessive alcohol intake are linked to shorter life spans. 
E)  Certain genes that code for antioxidant enzymes to detoxify free radicals are present in animals that live longer. Since smoking and alcohol consumption are not genetic factors they would not provide a genetic basis for aging. They can, however, act to increase the affects of aging. 
A)  Children of short-lived parents live shorter lives than children of long-lived parents. 
B)  Cells only divide for a set number of divisions. 
C)  Cell lines become nonfunctional before their maximum number of divisions is reached. 
D)  Smoking and excessive alcohol intake are linked to shorter life spans. 
E)  Certain genes that code for antioxidant enzymes to detoxify free radicals are present in animals that live longer. Since smoking and alcohol consumption are not genetic factors they would not provide a genetic basis for aging. They can, however, act to increase the affects of aging.

Question 15

What structure forms the lower jaw?

Accepted Answer

A)  mesonephros 
B)  mandibular processes 
C)  neural tube 
D)  secondary palate 
E)  somites 
A)  mesonephros 
B)  mandibular processes 
C)  neural tube 
D)  secondary palate 
E)  somites

Question 16

Which of the following is responsible for milk release or milk letdown after birth?

Accepted Answer

A)  Progesterone 
B)  Prolactin 
C)  Oxytocin 
D)  None of these are correct 
A)  Progesterone 
B)  Prolactin 
C)  Oxytocin 
D)  None of these are correct

Question 17

Which of the following is correctly matched?

Accepted Answer

A)  first stage of labor - baby exits vagina 
B)  second stage of labor - ends with cervix dilation to maximum 
C)  third stage of labor - placenta expelled from uterus 
A)  first stage of labor - baby exits vagina 
B)  second stage of labor - ends with cervix dilation to maximum 
C)  third stage of labor - placenta expelled from uterus

Question 18

Neonate is the term used to refer to a baby

Accepted Answer

A)  in the 24-48 hours preceding birth. 
B)  in the 24-48 hours after birth. 
C)  during the first month after birth. 
D)  during the six months after birth. 
E)  during the first year after birth. 
A)  in the 24-48 hours preceding birth. 
B)  in the 24-48 hours after birth. 
C)  during the first month after birth. 
D)  during the six months after birth. 
E)  during the first year after birth.

Question 19

Match the time period with the correct postnatal term.
1. Birth to 1 month after
2. 1 month to 2 years of age
3. 2 years of age to puberty
4. Puberty to 20 years of age
5. 20 years of age to death

Accepted Answer

Neonatal period 
Inf

Question 20

Which of the following structures attaches to the uterine wall and begins the process of implantation?

Accepted Answer

A)  Blastocyst 
B)  Morula 
C)  Gastrocyst 
D)  Zygote 
A)  Blastocyst 
B)  Morula 
C)  Gastrocyst 
D)  Zygote

Many genes occur in alternative forms called alleles.

Which of the following is derived from the neural crest cells?

Death is defined as the loss of heartbeat and respiration.

Which of the following is the gene expression seen in sickle-cell disease?

The prenatal period during which the major organ systems form is the

It is estimated that the newborn's central nervous system contains the adult number of neurons, but subsequent brain growth and maturation add new neuroglia.

The onset of puberty is considered to be the beginning of which life stage?

Which of the following is the correct order of structures that the sperm must penetrate to fertilize the secondary oocyte?

Newborns lose between 5 - 10% of their body weight during the first few days of life.

Which of the following is derived from the endoderm?

The foramen ovale is an opening that allows fetal blood to pass from the

One component of brain death is defined as

What is(are) the hormone(s) that the chorion secretes which maintain(s) the endometrium of the uterus?

Which of the following would NOT provide evidence for a genetic basis for aging?

What structure forms the lower jaw?

Which of the following is responsible for milk release or milk letdown after birth?

Which of the following is correctly matched?

Neonate is the term used to refer to a baby

Match the time period with the correct postnatal term. 1. Birth to 1 month after 2. 1 month to 2 years of age 3. 2 years of age to puberty 4. Puberty to 20 years of age 5. 20 years of age to death

Which of the following structures attaches to the uterine wall and begins the process of implantation?

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissuesasis of Life

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Filters

Exam 20: Development, Heredity, and Aging

Many genes occur in alternative forms called alleles.

Which of the following is derived from the neural crest cells?

Death is defined as the loss of heartbeat and respiration.

Which of the following is the gene expression seen in sickle-cell disease?

The prenatal period during which the major organ systems form is the

It is estimated that the newborn's central nervous system contains the adult number of neurons, but subsequent brain growth and maturation add new neuroglia.

The onset of puberty is considered to be the beginning of which life stage?

Which of the following is the correct order of structures that the sperm must penetrate to fertilize the secondary oocyte?

Newborns lose between 5 - 10% of their body weight during the first few days of life.

Which of the following is derived from the endoderm?

The foramen ovale is an opening that allows fetal blood to pass from the

One component of brain death is defined as

What is(are) the hormone(s) that the chorion secretes which maintain(s) the endometrium of the uterus?

Which of the following would NOT provide evidence for a genetic basis for aging?

What structure forms the lower jaw?

Which of the following is responsible for milk release or milk letdown after birth?

Which of the following is correctly matched?

Neonate is the term used to refer to a baby

Match the time period with the correct postnatal term. 1. Birth to 1 month after 2. 1 month to 2 years of age 3. 2 years of age to puberty 4. Puberty to 20 years of age 5. 20 years of age to death

Which of the following structures attaches to the uterine wall and begins the process of implantation?

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissuesasis of Life

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Filters