BIOS 256 WEEK 1 QUIZ EXAM 3
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. What is the main focus of physiology?
A. Structure of the body
B. Function of the body
C. Classification of organisms
D. Chemical composition
Correct Answer: B
Rationale: Physiology studies how the body and its parts function.
2. Which level of organization is the most complex?
A. Cellular
B. Tissue
C. Organ
D. System
Correct Answer: D
Rationale: Organ systems are the highest level among these options.
,3. What is the basic unit of life?
A. Atom
B. Molecule
C. Cell
D. Tissue
Correct Answer: C
Rationale: Cells are the smallest units capable of life.
4. What is homeostasis?
A. Growth
B. Movement
C. Maintenance of internal stability
D. Reproduction
Correct Answer: C
Rationale: Homeostasis maintains a stable internal environment.
5. Which organelle is responsible for energy production?
A. Nucleus
B. Ribosome
C. Mitochondria
D. Lysosome
Correct Answer: C
Rationale: Mitochondria produce ATP for cellular energy.
,6. Which organelle controls cell activities?
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: The nucleus contains DNA and directs cell functions.
7. What type of feedback maintains stability?
A. Positive feedback
B. Negative feedback
C. Neutral feedback
D. Passive feedback
Correct Answer: B
Rationale: Negative feedback reverses changes to maintain balance.
8. What type of feedback amplifies change?
A. Negative feedback
B. Passive feedback
C. Positive feedback
D. Neutral feedback
Correct Answer: C
Rationale: Positive feedback enhances the original stimulus.
, 9. What is the normal body temperature?
A. 35°C
B. 36°C
C. 37°C
D. 38°C
Correct Answer: C
Rationale: 37°C is the standard normal body temperature.
10. Which system controls rapid responses?
A. Endocrine
B. Digestive
C. Nervous
D. Skeletal
Correct Answer: C
Rationale: The nervous system responds quickly through electrical
signals.
11. Which system controls long-term responses?
A. Nervous
B. Endocrine
C. Respiratory
D. Skeletal
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. What is the main focus of physiology?
A. Structure of the body
B. Function of the body
C. Classification of organisms
D. Chemical composition
Correct Answer: B
Rationale: Physiology studies how the body and its parts function.
2. Which level of organization is the most complex?
A. Cellular
B. Tissue
C. Organ
D. System
Correct Answer: D
Rationale: Organ systems are the highest level among these options.
,3. What is the basic unit of life?
A. Atom
B. Molecule
C. Cell
D. Tissue
Correct Answer: C
Rationale: Cells are the smallest units capable of life.
4. What is homeostasis?
A. Growth
B. Movement
C. Maintenance of internal stability
D. Reproduction
Correct Answer: C
Rationale: Homeostasis maintains a stable internal environment.
5. Which organelle is responsible for energy production?
A. Nucleus
B. Ribosome
C. Mitochondria
D. Lysosome
Correct Answer: C
Rationale: Mitochondria produce ATP for cellular energy.
,6. Which organelle controls cell activities?
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Golgi apparatus
Correct Answer: B
Rationale: The nucleus contains DNA and directs cell functions.
7. What type of feedback maintains stability?
A. Positive feedback
B. Negative feedback
C. Neutral feedback
D. Passive feedback
Correct Answer: B
Rationale: Negative feedback reverses changes to maintain balance.
8. What type of feedback amplifies change?
A. Negative feedback
B. Passive feedback
C. Positive feedback
D. Neutral feedback
Correct Answer: C
Rationale: Positive feedback enhances the original stimulus.
, 9. What is the normal body temperature?
A. 35°C
B. 36°C
C. 37°C
D. 38°C
Correct Answer: C
Rationale: 37°C is the standard normal body temperature.
10. Which system controls rapid responses?
A. Endocrine
B. Digestive
C. Nervous
D. Skeletal
Correct Answer: C
Rationale: The nervous system responds quickly through electrical
signals.
11. Which system controls long-term responses?
A. Nervous
B. Endocrine
C. Respiratory
D. Skeletal
