BIOS 252 Week 2 Quiz Exam final
(Latest Update ) Anatomy
and Physiology IV with Lab | Questions
& Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of the respiratory system is:
A. Digestion
B. Gas exchange
C. Circulation
D. Filtration
Correct answer: B
Rationale: Exchanges oxygen and carbon dioxide between the body
and environment.
2. The nose filters air using:
A. Hair and mucus
B. Bones
C. Muscles
D. Skin
Correct answer: A
,Rationale: Traps dust and pathogens before air reaches lungs.
3. The pharynx is also known as the:
A. Throat
B. Voice box
C. Windpipe
D. Esophagus
Correct answer: A
Rationale: Serves as a passage for both air and food.
4. The larynx functions mainly in:
A. Circulation
B. Sound production
C. Digestion
D. Filtering air
Correct answer: B
Rationale: Houses the vocal cords for speech.
5. The trachea is kept open by:
A. Muscles
B. Cartilage rings
C. Ligaments
D. Bones
Correct answer: B
,Rationale: Prevents tracheal collapse during breathing.
6. Bronchi divide into:
A. Alveoli
B. Bronchioles
C. Larynx
D. Pharynx
Correct answer: B
Rationale: Smaller air passages leading to alveoli.
7. Gas exchange occurs in the:
A. Bronchi
B. Alveoli
C. Trachea
D. Larynx
Correct answer: B
Rationale: Alveoli provide a large surface area for diffusion.
8. Alveoli are surrounded by:
A. Nerves
B. Capillaries
C. Muscles
D. Cartilage
Correct answer: B
, Rationale: Allows oxygen to enter blood and carbon dioxide to
leave.
9. Oxygen enters the blood via:
A. Filtration
B. Diffusion
C. Active transport
D. Osmosis
Correct answer: B
Rationale: Moves down its partial pressure gradient.
10. Carbon dioxide leaves the blood by:
A. Diffusion
B. Filtration
C. Active transport
D. Osmosis
Correct answer: A
Rationale: Moves from high CO₂ in blood to lower CO₂ in alveoli.
11. The diaphragm contracts during:
A. Exhalation
B. Inhalation
C. Resting
(Latest Update ) Anatomy
and Physiology IV with Lab | Questions
& Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of the respiratory system is:
A. Digestion
B. Gas exchange
C. Circulation
D. Filtration
Correct answer: B
Rationale: Exchanges oxygen and carbon dioxide between the body
and environment.
2. The nose filters air using:
A. Hair and mucus
B. Bones
C. Muscles
D. Skin
Correct answer: A
,Rationale: Traps dust and pathogens before air reaches lungs.
3. The pharynx is also known as the:
A. Throat
B. Voice box
C. Windpipe
D. Esophagus
Correct answer: A
Rationale: Serves as a passage for both air and food.
4. The larynx functions mainly in:
A. Circulation
B. Sound production
C. Digestion
D. Filtering air
Correct answer: B
Rationale: Houses the vocal cords for speech.
5. The trachea is kept open by:
A. Muscles
B. Cartilage rings
C. Ligaments
D. Bones
Correct answer: B
,Rationale: Prevents tracheal collapse during breathing.
6. Bronchi divide into:
A. Alveoli
B. Bronchioles
C. Larynx
D. Pharynx
Correct answer: B
Rationale: Smaller air passages leading to alveoli.
7. Gas exchange occurs in the:
A. Bronchi
B. Alveoli
C. Trachea
D. Larynx
Correct answer: B
Rationale: Alveoli provide a large surface area for diffusion.
8. Alveoli are surrounded by:
A. Nerves
B. Capillaries
C. Muscles
D. Cartilage
Correct answer: B
, Rationale: Allows oxygen to enter blood and carbon dioxide to
leave.
9. Oxygen enters the blood via:
A. Filtration
B. Diffusion
C. Active transport
D. Osmosis
Correct answer: B
Rationale: Moves down its partial pressure gradient.
10. Carbon dioxide leaves the blood by:
A. Diffusion
B. Filtration
C. Active transport
D. Osmosis
Correct answer: A
Rationale: Moves from high CO₂ in blood to lower CO₂ in alveoli.
11. The diaphragm contracts during:
A. Exhalation
B. Inhalation
C. Resting
