APHY 101 FINAL EXAM latest 2026 Questions and Answers
---
SECTION 1: INTRODUCTION TO ANATOMY AND PHYSIOLOGY
Questions 1-15
---
QUESTION 1:
What is the difference between anatomy and physiology?
A. Anatomy is the study of function; physiology is the study of structure
B. Anatomy is the study of structure; physiology is the study of function
C. Anatomy studies cells; physiology studies organs
D. There is no difference; they are the same field
CORRECT ANSWER: B
RATIONALE: Anatomy is the study of the structure of body parts and their relationships, while
physiology is the study of the functions of body parts and how they work .
---
QUESTION 2:
What are the levels of organization from simplest to most complex?
,A. Cells, tissues, organs, organ systems, organism
B. Tissues, cells, organs, organ systems, organism
C. Organs, cells, tissues, organ systems, organism
D. Organ systems, organs, tissues, cells, organism
CORRECT ANSWER: A
RATIONALE: The structural hierarchy begins with cells (basic unit), then tissues (groups of similar
cells), organs (different tissues), organ systems (group of organs), and finally the organism .
---
QUESTION 3:
Which of the following is a characteristic of life?
A. Inability to respond to stimuli
B. Maintaining a constant shape regardless of conditions
C. Responsiveness to changes inside or outside the body
D. Absence of metabolic reactions
CORRECT ANSWER: C
RATIONALE: Responsiveness is a key characteristic of life, defined as the reaction to a change
inside or outside the body .
---
,QUESTION 4:
Define homeostasis.
A. The study of tissues
B. Maintaining a stable internal environment
C. The process of cell division
D. The breakdown of food substances
CORRECT ANSWER: B
RATIONALE: Homeostasis is the ability of an organism to maintain internal stability by adjusting
its physiological processes .
---
QUESTION 5:
What are the three parts of a homeostatic mechanism?
A. Receptor, control center, effector
B. Sensor, brain, muscle
C. Input, output, feedback
D. Stimulus, response, adaptation
CORRECT ANSWER: A
, RATIONALE: Homeostatic mechanisms have three components: receptor (detects stimuli),
control center (maintains set point), and effector (responds to cause change) .
---
QUESTION 6:
Which requirement of life is described as the most abundant substance in the body, providing
an environment for metabolic processes?
A. Food
B. Oxygen
C. Water
D. Heat
CORRECT ANSWER: C
RATIONALE: Water is the most abundant substance in the body, serving as the environment for
metabolic processes, transporting substances, and regulating body temperature .
---
QUESTION 7:
What is the basic unit of matter?
A. Molecule
B. Cell
C. Atom
---
SECTION 1: INTRODUCTION TO ANATOMY AND PHYSIOLOGY
Questions 1-15
---
QUESTION 1:
What is the difference between anatomy and physiology?
A. Anatomy is the study of function; physiology is the study of structure
B. Anatomy is the study of structure; physiology is the study of function
C. Anatomy studies cells; physiology studies organs
D. There is no difference; they are the same field
CORRECT ANSWER: B
RATIONALE: Anatomy is the study of the structure of body parts and their relationships, while
physiology is the study of the functions of body parts and how they work .
---
QUESTION 2:
What are the levels of organization from simplest to most complex?
,A. Cells, tissues, organs, organ systems, organism
B. Tissues, cells, organs, organ systems, organism
C. Organs, cells, tissues, organ systems, organism
D. Organ systems, organs, tissues, cells, organism
CORRECT ANSWER: A
RATIONALE: The structural hierarchy begins with cells (basic unit), then tissues (groups of similar
cells), organs (different tissues), organ systems (group of organs), and finally the organism .
---
QUESTION 3:
Which of the following is a characteristic of life?
A. Inability to respond to stimuli
B. Maintaining a constant shape regardless of conditions
C. Responsiveness to changes inside or outside the body
D. Absence of metabolic reactions
CORRECT ANSWER: C
RATIONALE: Responsiveness is a key characteristic of life, defined as the reaction to a change
inside or outside the body .
---
,QUESTION 4:
Define homeostasis.
A. The study of tissues
B. Maintaining a stable internal environment
C. The process of cell division
D. The breakdown of food substances
CORRECT ANSWER: B
RATIONALE: Homeostasis is the ability of an organism to maintain internal stability by adjusting
its physiological processes .
---
QUESTION 5:
What are the three parts of a homeostatic mechanism?
A. Receptor, control center, effector
B. Sensor, brain, muscle
C. Input, output, feedback
D. Stimulus, response, adaptation
CORRECT ANSWER: A
, RATIONALE: Homeostatic mechanisms have three components: receptor (detects stimuli),
control center (maintains set point), and effector (responds to cause change) .
---
QUESTION 6:
Which requirement of life is described as the most abundant substance in the body, providing
an environment for metabolic processes?
A. Food
B. Oxygen
C. Water
D. Heat
CORRECT ANSWER: C
RATIONALE: Water is the most abundant substance in the body, serving as the environment for
metabolic processes, transporting substances, and regulating body temperature .
---
QUESTION 7:
What is the basic unit of matter?
A. Molecule
B. Cell
C. Atom
