Question 1

Which of the following is NOT a change associated with aging?

Accepted Answer

A)  loss of neurons 
B)  loss of skeletal and cardiac muscle tissue 
C)  decreased cross-linking of collagen 
D)  decreased ability of the lens in the eye to accommodate 
E)  arteriosclerosis 
A)  loss of neurons 
B)  loss of skeletal and cardiac muscle tissue 
C)  decreased cross-linking of collagen 
D)  decreased ability of the lens in the eye to accommodate 
E)  arteriosclerosis

Question 2

Muscle strength peaks in a(n)

Accepted Answer

A)  child. 
B)  adolescent. 
C)  young adult. 
D)  middle aged adult. 
E)  elderly adult. 
A)  child. 
B)  adolescent. 
C)  young adult. 
D)  middle aged adult. 
E)  elderly adult.

Question 3

A __________ is a display of the chromosomes of a somatic cell during metaphase of mitosis.

Accepted Answer

A)  karyotype 
B)  genome 
C)  gamete 
D)  locus 
A)  karyotype 
B)  genome 
C)  gamete 
D)  locus

Question 4

A patent ductus arteriosus means that the _____ did not close.

Accepted Answer

A)  intraatrial septum 
B)  intraventricular septum 
C)  connection between the pulmonary trunk and the aorta 
D)  connection between the inferior vena cava and the abdominal aorta 
E)  umbilical arteries and veins 
A)  intraatrial septum 
B)  intraventricular septum 
C)  connection between the pulmonary trunk and the aorta 
D)  connection between the inferior vena cava and the abdominal aorta 
E)  umbilical arteries and veins

Question 5

A clot or plaque which forms on the inside of blood vessel walls is called a(an)

Accepted Answer

A)  sclerosis. 
B)  arteriosus. 
C)  thrombus. 
D)  embolus. 
E)  plaque. 
A)  sclerosis. 
B)  arteriosus. 
C)  thrombus. 
D)  embolus. 
E)  plaque.

Question 6

Which gland is formed by an evagination from the floor of the diencephalon?

Accepted Answer

A)  anterior pituitary gland 
B)  posterior pituitary gland 
C)  thyroid gland 
D)  adrenal glands 
E)  pancreas 
A)  anterior pituitary gland 
B)  posterior pituitary gland 
C)  thyroid gland 
D)  adrenal glands 
E)  pancreas

Question 7

The hormone(s) responsible for preparing the breasts for lactation during pregnancy is (are).

Accepted Answer

A)  estrogen. 
B)  progesterone. 
C)  oxytocin. 
D)  prolactin. 
E)  both estrogen and progesterone. 
A)  estrogen. 
B)  progesterone. 
C)  oxytocin. 
D)  prolactin. 
E)  both estrogen and progesterone.

Question 8

What is the acrosomal reaction?

Accepted Answer

A)  The formation of the acrosome in the epididymis 
B)  The activation of enzymes for action on the surface of the egg 
C)  The release of ADP from the mitochondria on the midpiece 
D)  The release of prostatic fluid to produce the semen 
A)  The formation of the acrosome in the epididymis 
B)  The activation of enzymes for action on the surface of the egg 
C)  The release of ADP from the mitochondria on the midpiece 
D)  The release of prostatic fluid to produce the semen

Question 9

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 10

The process of meiosis will _____ as the gametes are produced.

Accepted Answer

A)  cut the chromosome number by 1/3 
B)  cut the chromosome number by 1/2 
C)  double the chromosome number 
D)  not change the chromosome number 
E)  triple the chromosome number 
A)  cut the chromosome number by 1/3 
B)  cut the chromosome number by 1/2 
C)  double the chromosome number 
D)  not change the chromosome number 
E)  triple the chromosome number

Question 11

Which of the following fetal shunts connects the umbilical vein with the inferior vena cava?

Accepted Answer

A)  ductus arteriosus 
B)  umbilical vein 
C)  umbilical artery 
D)  ductus venosus 
E)  foramen ovale 
A)  ductus arteriosus 
B)  umbilical vein 
C)  umbilical artery 
D)  ductus venosus 
E)  foramen ovale

Question 12

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 13

Arm and legs buds appear at about 28 days from

Accepted Answer

A)  the coelom. 
B)  apical ectodermal ridges. 
C)  somitomeres. 
D)  neural crest cells. 
A)  the coelom. 
B)  apical ectodermal ridges. 
C)  somitomeres. 
D)  neural crest cells.

Question 14

What structure forms the roof of the mouth?

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 15

The inner cell mass of the blastocyst

Accepted Answer

A)  consists of yolk-filled storage cells. 
B)  contains cells that will form the embryo. 
C)  represents the future placenta. 
D)  will form the zona pellucida. 
E)  contains cells that are discarded. 
A)  consists of yolk-filled storage cells. 
B)  contains cells that will form the embryo. 
C)  represents the future placenta. 
D)  will form the zona pellucida. 
E)  contains cells that are discarded.

Question 16

The placenta plays an important role in

Accepted Answer

A)  implantation. 
B)  onset of lactation. 
C)  beginning of parturition. 
D)  provision of nutrients to the fetus. 
E)  insulating the fetus. 
A)  implantation. 
B)  onset of lactation. 
C)  beginning of parturition. 
D)  provision of nutrients to the fetus. 
E)  insulating the fetus.

Question 17

What term describes the inheritance of a trait which in the heterozygote has an intermediate expression between either allele?

Accepted Answer

A)  Incomplete penetrance 
B)  Incomplete dominance 
C)  Complete dominance 
D)  Codominance 
A)  Incomplete penetrance 
B)  Incomplete dominance 
C)  Complete dominance 
D)  Codominance

Question 18

The onset of puberty is signaled by

Accepted Answer

A)  a growth spurt. 
B)  emotional upheaval. 
C)  attainment of full adult stature. 
D)  the ability to obtain a drivers license. 
E)  a halt to growth. 
A)  a growth spurt. 
B)  emotional upheaval. 
C)  attainment of full adult stature. 
D)  the ability to obtain a drivers license. 
E)  a halt to growth.

Question 19

What event separates childhood from adolescence?

Accepted Answer

A)  puberty 
B)  infancy 
C)  formation of germ layers 
D)  beginning to walk 
A)  puberty 
B)  infancy 
C)  formation of germ layers 
D)  beginning to walk

Question 20

Which germ layer is the thyroid derived from?

Accepted Answer

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

Exam 29: Development, Growth, Aging, and Genetics

Which of the following is NOT a change associated with aging?

Muscle strength peaks in a(n)

A __________ is a display of the chromosomes of a somatic cell during metaphase of mitosis.

A patent ductus arteriosus means that the _____ did not close.

A clot or plaque which forms on the inside of blood vessel walls is called a(an)

Which gland is formed by an evagination from the floor of the diencephalon?

The hormone(s) responsible for preparing the breasts for lactation during pregnancy is (are).

What is the acrosomal reaction?

What structure forms the lower jaw?

The process of meiosis will _____ as the gametes are produced.

Which of the following fetal shunts connects the umbilical vein with the inferior vena cava?

Neonate is the term used to refer to a baby

Arm and legs buds appear at about 28 days from

What structure forms the roof of the mouth?

The inner cell mass of the blastocyst

The placenta plays an important role in

What term describes the inheritance of a trait which in the heterozygote has an intermediate expression between either allele?

The onset of puberty is signaled by

What event separates childhood from adolescence?

Which germ layer is the thyroid derived from?

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, Electrolyte, and Acid-Based Balance

Reproductive System

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