WGU D203 Fundamentals of Anatomy and Physiology: Exam 1
50 questions
1. Anatomy is the study of ____ and physiology is the study of ____.
A. Function; structure
B. Structure; function
C. Cells; tissues
D. Disease; treatment
Correct Answer: B. Structure; function
Rationale: Structure and function are closely related.
2. The term 'posterior' means:
A. Toward the front
B. Toward the back
C. Toward the head
D. Toward the side
Correct Answer: B. Toward the back
Rationale: Also called dorsal.
3. The navel is ____ to the nose.
A. Superior
B. Lateral
C. Posterior
D. Inferior
Correct Answer: D. Inferior
Rationale: It is below the nose.
4. Which cavity contains the lungs?
A. Abdominal cavity
B. Thoracic cavity (pleural cavities)
C. Cranial cavity
D. Pelvic cavity
Correct Answer: B. Thoracic cavity (pleural cavities)
Rationale: Each lung lies in a pleural cavity.
5. Homeostasis is maintained mainly by:
A. Positive feedback only
B. Negative feedback mechanisms
C. Random changes
D. Conscious control only
Correct Answer: B. Negative feedback mechanisms
Rationale: Negative feedback restores set points.
6. The basic unit of life is the:
A. Tissue
B. Organ
C. Atom
D. Cell
Correct Answer: D. Cell
Rationale: All living things are made of cells.
, 7. Ribosomes are responsible for:
A. ATP production
B. Protein synthesis
C. Lipid storage
D. Cell division
Correct Answer: B. Protein synthesis
Rationale: They read mRNA.
8. Diffusion is the movement of molecules:
A. From high to low concentration
B. From low to high concentration
C. Only with ATP
D. Only of water
Correct Answer: A. From high to low concentration
Rationale: It is passive.
9. The four primary tissue types are:
A. Epithelial, connective, muscle and nervous
B. Bone, blood, skin and muscle
C. Cartilage, fat, bone and nerve
D. Epidermis, dermis, hypodermis and muscle
Correct Answer: A. Epithelial, connective, muscle and nervous
Rationale: All organs are built from these.
10. Adipose tissue functions mainly in:
A. Gas exchange
B. Contraction
C. Energy storage and insulation
D. Impulse conduction
Correct Answer: C. Energy storage and insulation
Rationale: It is a connective tissue.
11. The outermost layer of the skin is the:
A. Dermis
B. Hypodermis
C. Epidermis
D. Muscle layer
Correct Answer: C. Epidermis
Rationale: It is stratified squamous epithelium.
12. Melanin protects the skin from:
A. Bacteria
B. Dehydration only
C. Cold temperatures
D. Ultraviolet radiation damage
Correct Answer: D. Ultraviolet radiation damage
Rationale: It is produced by melanocytes.
50 questions
1. Anatomy is the study of ____ and physiology is the study of ____.
A. Function; structure
B. Structure; function
C. Cells; tissues
D. Disease; treatment
Correct Answer: B. Structure; function
Rationale: Structure and function are closely related.
2. The term 'posterior' means:
A. Toward the front
B. Toward the back
C. Toward the head
D. Toward the side
Correct Answer: B. Toward the back
Rationale: Also called dorsal.
3. The navel is ____ to the nose.
A. Superior
B. Lateral
C. Posterior
D. Inferior
Correct Answer: D. Inferior
Rationale: It is below the nose.
4. Which cavity contains the lungs?
A. Abdominal cavity
B. Thoracic cavity (pleural cavities)
C. Cranial cavity
D. Pelvic cavity
Correct Answer: B. Thoracic cavity (pleural cavities)
Rationale: Each lung lies in a pleural cavity.
5. Homeostasis is maintained mainly by:
A. Positive feedback only
B. Negative feedback mechanisms
C. Random changes
D. Conscious control only
Correct Answer: B. Negative feedback mechanisms
Rationale: Negative feedback restores set points.
6. The basic unit of life is the:
A. Tissue
B. Organ
C. Atom
D. Cell
Correct Answer: D. Cell
Rationale: All living things are made of cells.
, 7. Ribosomes are responsible for:
A. ATP production
B. Protein synthesis
C. Lipid storage
D. Cell division
Correct Answer: B. Protein synthesis
Rationale: They read mRNA.
8. Diffusion is the movement of molecules:
A. From high to low concentration
B. From low to high concentration
C. Only with ATP
D. Only of water
Correct Answer: A. From high to low concentration
Rationale: It is passive.
9. The four primary tissue types are:
A. Epithelial, connective, muscle and nervous
B. Bone, blood, skin and muscle
C. Cartilage, fat, bone and nerve
D. Epidermis, dermis, hypodermis and muscle
Correct Answer: A. Epithelial, connective, muscle and nervous
Rationale: All organs are built from these.
10. Adipose tissue functions mainly in:
A. Gas exchange
B. Contraction
C. Energy storage and insulation
D. Impulse conduction
Correct Answer: C. Energy storage and insulation
Rationale: It is a connective tissue.
11. The outermost layer of the skin is the:
A. Dermis
B. Hypodermis
C. Epidermis
D. Muscle layer
Correct Answer: C. Epidermis
Rationale: It is stratified squamous epithelium.
12. Melanin protects the skin from:
A. Bacteria
B. Dehydration only
C. Cold temperatures
D. Ultraviolet radiation damage
Correct Answer: D. Ultraviolet radiation damage
Rationale: It is produced by melanocytes.
