Question 1

What type of gene expression are the ABO blood types an example of?

Accepted Answer

A)  complete dominance 
B)  codominance 
C)  incomplete dominance 
D)  recessiveness 
E)  polymorphism 
A)  complete dominance 
B)  codominance 
C)  incomplete dominance 
D)  recessiveness 
E)  polymorphism

Question 2

Before parturition,

Accepted Answer

A)  the placenta secretes increased amounts of oxytocin. 
B)  the uterus stretches, causing the release of ACTH from the adenohypophysis. 
C)  there is an increase in the stimulatory effects of progesterone on the uterine muscle. 
D)  prostaglandin synthesis is inhibited. 
E)  fetal glucocorticoids decrease the production of progesterone by the placenta. 
A)  the placenta secretes increased amounts of oxytocin. 
B)  the uterus stretches, causing the release of ACTH from the adenohypophysis. 
C)  there is an increase in the stimulatory effects of progesterone on the uterine muscle. 
D)  prostaglandin synthesis is inhibited. 
E)  fetal glucocorticoids decrease the production of progesterone by the placenta.

Question 3

In females, the genital tubercle becomes the

Accepted Answer

A)  uterus. 
B)  ovary. 
C)  clitoris. 
D)  vagina. 
E)  labia. 
A)  uterus. 
B)  ovary. 
C)  clitoris. 
D)  vagina. 
E)  labia.

Question 4

-The picture shows a full term pregnancy. What does "D" represent?

Accepted Answer

A)  placenta 
B)  umbilical cord 
C)  urinary bladder 
D)  mucus plug in cervical canal 
E)  vagina 
A)  placenta 
B)  umbilical cord 
C)  urinary bladder 
D)  mucus plug in cervical canal 
E)  vagina

Question 5

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 6

The central cavity of the neural tube becomes the

Accepted Answer

A)  cerebrum. 
B)  mid-brain. 
C)  cranial cavity. 
D)  ventricles of the brain. 
E)  epidural space. 
A)  cerebrum. 
B)  mid-brain. 
C)  cranial cavity. 
D)  ventricles of the brain. 
E)  epidural space.

Question 7

Which germ layer is most muscle derived from?

Accepted Answer

A)  ectoderm 
B)  mesoderm 
C)  endoderm 
A)  ectoderm 
B)  mesoderm 
C)  endoderm

Question 8

Somites give rise to

Accepted Answer

A)  nerves. 
B)  blood. 
C)  glands. 
D)  muscles. 
E)  spinal cord. 
A)  nerves. 
B)  blood. 
C)  glands. 
D)  muscles. 
E)  spinal cord.

Question 9

Which germ layer is the brain and spinal cord derived from?

Accepted Answer

A)  ectoderm 
B)  mesoderm 
C)  endoderm 
A)  ectoderm 
B)  mesoderm 
C)  endoderm

Question 10

Which of the following is formed from mesoderm?

Accepted Answer

A)  autonomic neurons 
B)  dermis of the skin 
C)  adrenal medulla 
D)  teeth 
E)  tonsils 
A)  autonomic neurons 
B)  dermis of the skin 
C)  adrenal medulla 
D)  teeth 
E)  tonsils

Question 11

Which of the following fetal shunts bypasses the fetal lungs?

Accepted Answer

A)  ductus arteriosus 
B)  ductus venosus 
C)  umbilical arteries 
D)  umbilical vein 
E)  ductus byosus 
A)  ductus arteriosus 
B)  ductus venosus 
C)  umbilical arteries 
D)  umbilical vein 
E)  ductus byosus

Question 12

Which of the following conditions might result in stress on a fetus that has nearly completed 9 months of fetal development?

Accepted Answer

A)  placental growth greater than fetal growth 
B)  cramped quarters in the uterus 
C)  increased O2 supply to the fetus 
D)  excessive weight gain by the mother 
E)  hormone fluctuations 
A)  placental growth greater than fetal growth 
B)  cramped quarters in the uterus 
C)  increased O2 supply to the fetus 
D)  excessive weight gain by the mother 
E)  hormone fluctuations

Question 13

An infant who has just started cooing and gurgling in response to smiles and attention from its parents is about _____ months old.

Accepted Answer

A)  two 
B)  four 
C)  six 
D)  eight 
E)  ten 
A)  two 
B)  four 
C)  six 
D)  eight 
E)  ten

Question 14

The specific location of a gene on a chromosome is its

Accepted Answer

A)  homolog. 
B)  genotype. 
C)  phenotype. 
D)  allele. 
E)  locus. 
A)  homolog. 
B)  genotype. 
C)  phenotype. 
D)  allele. 
E)  locus.

Question 15

Which of the following genotypes will result in a male?

Accepted Answer

A)  XO 
B)  XY 
C)  XX 
D)  XXX 
E)  YY 
A)  XO 
B)  XY 
C)  XX 
D)  XXX 
E)  YY

Question 16

Which of the following is involved in stimulating milk letdown?

Accepted Answer

A)  increased estrogen levels 
B)  increased progesterone levels 
C)  mechanical stimulation of the breasts that cause release of oxytocin 
D)  secretion of a small amount of milk 
E)  None of these choices is correct 
A)  increased estrogen levels 
B)  increased progesterone levels 
C)  mechanical stimulation of the breasts that cause release of oxytocin 
D)  secretion of a small amount of milk 
E)  None of these choices is correct

Question 17

The closed foramen ovale becomes the _____ after birth.

Accepted Answer

A)  fossa ovalis 
B)  ligamentum ovale 
C)  ligamentum venosum 
D)  ligamentum arteriosum 
E)  valves 
A)  fossa ovalis 
B)  ligamentum ovale 
C)  ligamentum venosum 
D)  ligamentum arteriosum 
E)  valves

Question 18

Once the embryonic mass has 12 or more cells, it is called a

Accepted Answer

A)  morula. 
B)  gastrula. 
C)  blastula. 
D)  blastocyst. 
E)  trophoblast. 
A)  morula. 
B)  gastrula. 
C)  blastula. 
D)  blastocyst. 
E)  trophoblast.

Question 19

An infant born with a gestational age of 254 days would be considered

Accepted Answer

A)  premature. 
B)  normal maturity. 
C)  postmature. 
D)  immature. 
E)  None of these choices is correct. 
A)  premature. 
B)  normal maturity. 
C)  postmature. 
D)  immature. 
E)  None of these choices is correct.

Question 20

Fine, soft hair that covers the fetus is called

Accepted Answer

A)  lanugo. 
B)  fetal hair. 
C)  colostrum. 
D)  vernix caseosa. 
E)  primary hair. 
A)  lanugo. 
B)  fetal hair. 
C)  colostrum. 
D)  vernix caseosa. 
E)  primary hair.

Exam 29: Development, Growth, Aging, and Genetics

What type of gene expression are the ABO blood types an example of?

Before parturition,

In females, the genital tubercle becomes the

-The picture shows a full term pregnancy. What does "D" represent?

Neonate is the term used to refer to a baby

The central cavity of the neural tube becomes the

Which germ layer is most muscle derived from?

Somites give rise to

Which germ layer is the brain and spinal cord derived from?

Which of the following is formed from mesoderm?

Which of the following fetal shunts bypasses the fetal lungs?

Which of the following conditions might result in stress on a fetus that has nearly completed 9 months of fetal development?

An infant who has just started cooing and gurgling in response to smiles and attention from its parents is about _____ months old.

The specific location of a gene on a chromosome is its

Which of the following genotypes will result in a male?

Which of the following is involved in stimulating milk letdown?

The closed foramen ovale becomes the _____ after birth.

Once the embryonic mass has 12 or more cells, it is called a

An infant born with a gestational age of 254 days would be considered

Fine, soft hair that covers the fetus is called

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

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