Question 1

The embryonic disk is initially composed of

Accepted Answer

A)  ectoderm and hypoblast. 
B)  epiblast and mesoderm. 
C)  epiblast and hypoblast. 
D)  hypoblast and yolk sac. 
E)  epiblast and yolk sac. 
A)  ectoderm and hypoblast. 
B)  epiblast and mesoderm. 
C)  epiblast and hypoblast. 
D)  hypoblast and yolk sac. 
E)  epiblast and yolk sac.

Question 2

What genetic disorder is the inability to produce normal hemoglobin?

Accepted Answer

A)  albinism 
B)  sickle-cell disease 
C)  hemophilia 
D)  Down syndrome 
E)  achondroplasia 
A)  albinism 
B)  sickle-cell disease 
C)  hemophilia 
D)  Down syndrome 
E)  achondroplasia

Question 3

Which germ layer is the epidermis derived from?

Accepted Answer

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

Question 4

Which of the following statements concerning development of the integumentary system is true?

Accepted Answer

A)  The epidermis is derived from mesoderm. 
B)  The melanocytes are derived from ectoderm. 
C)  Nails, hair, and glands develop from the dermis. 
D)  Sensory receptors in the skin are derived from the epidermis. 
E)  Collagen fibers do not appear until after birth. 
A)  The epidermis is derived from mesoderm. 
B)  The melanocytes are derived from ectoderm. 
C)  Nails, hair, and glands develop from the dermis. 
D)  Sensory receptors in the skin are derived from the epidermis. 
E)  Collagen fibers do not appear until after birth.

Question 5

Which germ layer are the bones (except facial) derived from?

Accepted Answer

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

Question 6

In humans, somatic cells have ____ chromosomes, while reproductive cells (gametes) have ____.

Accepted Answer

A)  23; 46 
B)  92; 46 
C)  46; 23 
D)  46; 69 
E)  92; 23 
A)  23; 46 
B)  92; 46 
C)  46; 23 
D)  46; 69 
E)  92; 23

Question 7

The common junction of the digestive, urinary, and genital systems is the

Accepted Answer

A)  cloaca. 
B)  coelom. 
C)  allantois. 
D)  hindgut. 
E)  anus. 
A)  cloaca. 
B)  coelom. 
C)  allantois. 
D)  hindgut. 
E)  anus.

The embryonic disk is initially composed of

What genetic disorder is the inability to produce normal hemoglobin?

Which germ layer is the epidermis derived from?

Which of the following statements concerning development of the integumentary system is true?

Which germ layer are the bones (except facial) derived from?

In humans, somatic cells have chromosomes, while reproductive cells (gametes) have .

The common junction of the digestive, urinary, and genital systems is the

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

Filters

Exam 29: Development, Growth, Aging, and Genetics

The embryonic disk is initially composed of

What genetic disorder is the inability to produce normal hemoglobin?

Which germ layer is the epidermis derived from?

Which of the following statements concerning development of the integumentary system is true?

Which germ layer are the bones (except facial) derived from?

In humans, somatic cells have ____ chromosomes, while reproductive cells (gametes) have ____.

The common junction of the digestive, urinary, and genital systems is the

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

Filters

In humans, somatic cells have chromosomes, while reproductive cells (gametes) have .