BIOS 150 Week 7 Quiz Exam 4 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The upper respiratory tract includes:
A. Lungs
B. Nose, pharynx, larynx
C. Bronchi
D. Alveoli
Correct Answer: B
Rationale:It filters, warms, and moistens air before it reaches the
lungs.
2. The lower respiratory tract includes:
A. Nose and pharynx
B. Trachea, bronchi, bronchioles, lungs
C. Nasal cavity only
D. Mouth only
Correct Answer: B
Rationale:Responsible for conducting air to alveoli.
,3. The nasal cavity is lined with:
A. Cilia and mucus
B. Bone only
C. Smooth muscle
D. Cartilage only
Correct Answer: A
Rationale:Traps dust and particles to protect lungs.
4. The pharynx serves as a passage for:
A. Air only
B. Food and air
C. Blood only
D. Lymph only
Correct Answer: B
Rationale:Connects mouth and nasal cavity to larynx and esophagus.
5. The larynx contains:
A. Trachea
B. Vocal cords
C. Alveoli
D. Bronchi
Correct Answer: B
Rationale:Voice production occurs here.
6. The epiglottis prevents:
,A. Oxygen entry
B. Food entering airway
C. CO₂ release
D. Blood flow
Correct Answer: B
Rationale:Covers the trachea during swallowing.
7. The trachea is supported by:
A. Smooth muscle
B. Cartilage rings
C. Bone
D. Nerves
Correct Answer: B
Rationale:Keeps the airway open.
8. Bronchi branch into:
A. Bronchioles
B. Alveoli
C. Trachea
D. Capillaries
Correct Answer: A
Rationale:Smaller airways leading to alveoli.
9. Alveoli are:
, A. Glandular tissues
B. Air sacs for gas exchange
C. Muscles
D. Bones
Correct Answer: B
Rationale:Thin-walled structures where oxygen and CO₂ diffuse.
10. Gas exchange occurs by:
A. Active transport
B. Diffusion
C. Osmosis
D. Filtration
Correct Answer: B
Rationale:Gases move from high to low concentration.
11. Oxygen diffuses into the blood because:
A. Higher in blood
B. Higher in alveoli
C. Lower in alveoli
D. Equal in both
Correct Answer: B
Rationale:Moves down its concentration gradient.
12. Carbon dioxide diffuses out because:
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The upper respiratory tract includes:
A. Lungs
B. Nose, pharynx, larynx
C. Bronchi
D. Alveoli
Correct Answer: B
Rationale:It filters, warms, and moistens air before it reaches the
lungs.
2. The lower respiratory tract includes:
A. Nose and pharynx
B. Trachea, bronchi, bronchioles, lungs
C. Nasal cavity only
D. Mouth only
Correct Answer: B
Rationale:Responsible for conducting air to alveoli.
,3. The nasal cavity is lined with:
A. Cilia and mucus
B. Bone only
C. Smooth muscle
D. Cartilage only
Correct Answer: A
Rationale:Traps dust and particles to protect lungs.
4. The pharynx serves as a passage for:
A. Air only
B. Food and air
C. Blood only
D. Lymph only
Correct Answer: B
Rationale:Connects mouth and nasal cavity to larynx and esophagus.
5. The larynx contains:
A. Trachea
B. Vocal cords
C. Alveoli
D. Bronchi
Correct Answer: B
Rationale:Voice production occurs here.
6. The epiglottis prevents:
,A. Oxygen entry
B. Food entering airway
C. CO₂ release
D. Blood flow
Correct Answer: B
Rationale:Covers the trachea during swallowing.
7. The trachea is supported by:
A. Smooth muscle
B. Cartilage rings
C. Bone
D. Nerves
Correct Answer: B
Rationale:Keeps the airway open.
8. Bronchi branch into:
A. Bronchioles
B. Alveoli
C. Trachea
D. Capillaries
Correct Answer: A
Rationale:Smaller airways leading to alveoli.
9. Alveoli are:
, A. Glandular tissues
B. Air sacs for gas exchange
C. Muscles
D. Bones
Correct Answer: B
Rationale:Thin-walled structures where oxygen and CO₂ diffuse.
10. Gas exchange occurs by:
A. Active transport
B. Diffusion
C. Osmosis
D. Filtration
Correct Answer: B
Rationale:Gases move from high to low concentration.
11. Oxygen diffuses into the blood because:
A. Higher in blood
B. Higher in alveoli
C. Lower in alveoli
D. Equal in both
Correct Answer: B
Rationale:Moves down its concentration gradient.
12. Carbon dioxide diffuses out because:
