APHY 101 MIDTERM EXAM UPDATED 2026
LATEST QUESTIONS AND CORRECT ANSWERS
PLUS RATIONALES IVY TECH COMMUNITY
COLLEGE INDIANAPOLIS|| BRAND NEW!!
1. Anatomy is best defined as the study of:
A. Body functions
B. Body structures
C. Diseases
D. Chemical reactions
Answer: B
Rationale: Anatomy focuses on structure, while physiology focuses on function.
2. Physiology deals primarily with:
A. Shape of organs
B. Location of body parts
C. Functions of body systems
D. Names of bones
Answer: C
Rationale: Physiology explains how body parts work.
3. Which level of organization is the simplest?
A. Tissue
B. Organ
C. Cellular
D. Organ system
Answer: C
Rationale: Cells are the basic structural and functional units of life.
,4. The correct order of structural organization is:
A. Cell → Tissue → Organ → Organ system → Organism
B. Tissue → Cell → Organ → System → Organism
C. Organ → Tissue → Cell → System → Organism
D. Cell → Organ → Tissue → System → Organism
Answer: A
Rationale: Cells form tissues, tissues form organs, organs form systems.
5. Homeostasis refers to:
A. Disease prevention
B. Constant external environment
C. Stable internal environment
D. Energy production
Answer: C
Rationale: Homeostasis maintains internal balance despite external changes.
6. Which system is primarily responsible for homeostasis?
A. Skeletal
B. Nervous and endocrine
C. Digestive
D. Integumentary
Answer: B
Rationale: Nervous and endocrine systems regulate body functions.
7. Negative feedback is best described as:
A. Enhancing the original stimulus
B. No response to stimulus
C. Reversing the original change
D. Causing disease
Answer: C
Rationale: Negative feedback restores normal conditions.
, 8. Positive feedback differs from negative feedback because it:
A. Maintains balance
B. Amplifies the stimulus
C. Stops reactions
D. Occurs rarely
Answer: B
Rationale: Positive feedback increases the original response.
9. An example of positive feedback is:
A. Temperature regulation
B. Blood glucose control
C. Childbirth contractions
D. Sweating
Answer: C
Rationale: Labor contractions intensify until birth occurs.
10. The anatomical position includes all EXCEPT:
A. Standing upright
B. Palms facing forward
C. Feet together
D. Arms at sides
Answer: C
Rationale: Feet are slightly apart, not together.
SECTION B: BODY PLANES & DIRECTIONS
11. The sagittal plane divides the body into:
A. Superior and inferior
B. Anterior and posterior
LATEST QUESTIONS AND CORRECT ANSWERS
PLUS RATIONALES IVY TECH COMMUNITY
COLLEGE INDIANAPOLIS|| BRAND NEW!!
1. Anatomy is best defined as the study of:
A. Body functions
B. Body structures
C. Diseases
D. Chemical reactions
Answer: B
Rationale: Anatomy focuses on structure, while physiology focuses on function.
2. Physiology deals primarily with:
A. Shape of organs
B. Location of body parts
C. Functions of body systems
D. Names of bones
Answer: C
Rationale: Physiology explains how body parts work.
3. Which level of organization is the simplest?
A. Tissue
B. Organ
C. Cellular
D. Organ system
Answer: C
Rationale: Cells are the basic structural and functional units of life.
,4. The correct order of structural organization is:
A. Cell → Tissue → Organ → Organ system → Organism
B. Tissue → Cell → Organ → System → Organism
C. Organ → Tissue → Cell → System → Organism
D. Cell → Organ → Tissue → System → Organism
Answer: A
Rationale: Cells form tissues, tissues form organs, organs form systems.
5. Homeostasis refers to:
A. Disease prevention
B. Constant external environment
C. Stable internal environment
D. Energy production
Answer: C
Rationale: Homeostasis maintains internal balance despite external changes.
6. Which system is primarily responsible for homeostasis?
A. Skeletal
B. Nervous and endocrine
C. Digestive
D. Integumentary
Answer: B
Rationale: Nervous and endocrine systems regulate body functions.
7. Negative feedback is best described as:
A. Enhancing the original stimulus
B. No response to stimulus
C. Reversing the original change
D. Causing disease
Answer: C
Rationale: Negative feedback restores normal conditions.
, 8. Positive feedback differs from negative feedback because it:
A. Maintains balance
B. Amplifies the stimulus
C. Stops reactions
D. Occurs rarely
Answer: B
Rationale: Positive feedback increases the original response.
9. An example of positive feedback is:
A. Temperature regulation
B. Blood glucose control
C. Childbirth contractions
D. Sweating
Answer: C
Rationale: Labor contractions intensify until birth occurs.
10. The anatomical position includes all EXCEPT:
A. Standing upright
B. Palms facing forward
C. Feet together
D. Arms at sides
Answer: C
Rationale: Feet are slightly apart, not together.
SECTION B: BODY PLANES & DIRECTIONS
11. The sagittal plane divides the body into:
A. Superior and inferior
B. Anterior and posterior
