WGU D313 Anatomy and Physiology 2
Respiratory System Practice Test (Latest
Update) Questions & Answers | Grade A | 100%
Correct
WGU D313 - Anatomy and Physiology II: Respiratory System
Practice Test
1. What is the primary function of the respiratory system?
A. Acid-base balance
B. Speech production
C. Gas exchange
D. Olfaction
2. Which structure is part of the upper respiratory tract?
A. Trachea
B. Bronchi
C. Larynx
D. Alveoli
3. The nasal cavity is divided by the:
A. Septum
B. Conchae
C. Pharynx
D. Uvula
4. The function of the nasal conchae is to:
A. Warm, humidify, and filter air
B. Produce mucus
,C. House the olfactory receptors
D. Amplify the voice
5. The common passageway for air and food is the:
A. Larynx
B. Nasopharynx
C. Oropharynx
D. Laryngopharynx
6. The structure known as the "voice box" is the:
A. Pharynx
B. Trachea
C. Larynx
D. Epiglottis
7. During swallowing, the larynx is covered by the:
A. Glottis
B. Thyroid cartilage
C. Epiglottis
D. Uvula
8. The trachea is kept open by C-shaped rings of what tissue?
A. Elastic cartilage
B. Fibrocartilage
C. Hyaline cartilage
D. Bone
9. The point where the trachea splits into the right and left primary
bronchi is called the:
A. Carina
B. Alveolar duct
, C. Bronchiole
D. Hilum
10. Why is the right primary bronchus more susceptible to
aspiration?
A. It is longer
B. It is narrower
C. It is more horizontal
D. It is wider and more vertical
11. The order of the respiratory tree structures from largest to
smallest is:
A. Bronchi, Bronchioles, Alveoli
B. Alveoli, Bronchioles, Bronchi
C. Bronchioles, Bronchi, Alveoli
D. Trachea, Alveoli, Bronchi
12. Which structures are the site of gas exchange in the lungs?
A. Bronchioles
B. Alveoli
C. Bronchi
D. Terminal sacs
13. The respiratory membrane consists of:
A. Two layers of simple squamous epithelium
B. The alveolar wall and the capillary wall
C. Ciliated mucosa and smooth muscle
D. Pleural membranes
14. Type II alveolar cells are responsible for:
A. Gas exchange
B. Producing surfactant
Respiratory System Practice Test (Latest
Update) Questions & Answers | Grade A | 100%
Correct
WGU D313 - Anatomy and Physiology II: Respiratory System
Practice Test
1. What is the primary function of the respiratory system?
A. Acid-base balance
B. Speech production
C. Gas exchange
D. Olfaction
2. Which structure is part of the upper respiratory tract?
A. Trachea
B. Bronchi
C. Larynx
D. Alveoli
3. The nasal cavity is divided by the:
A. Septum
B. Conchae
C. Pharynx
D. Uvula
4. The function of the nasal conchae is to:
A. Warm, humidify, and filter air
B. Produce mucus
,C. House the olfactory receptors
D. Amplify the voice
5. The common passageway for air and food is the:
A. Larynx
B. Nasopharynx
C. Oropharynx
D. Laryngopharynx
6. The structure known as the "voice box" is the:
A. Pharynx
B. Trachea
C. Larynx
D. Epiglottis
7. During swallowing, the larynx is covered by the:
A. Glottis
B. Thyroid cartilage
C. Epiglottis
D. Uvula
8. The trachea is kept open by C-shaped rings of what tissue?
A. Elastic cartilage
B. Fibrocartilage
C. Hyaline cartilage
D. Bone
9. The point where the trachea splits into the right and left primary
bronchi is called the:
A. Carina
B. Alveolar duct
, C. Bronchiole
D. Hilum
10. Why is the right primary bronchus more susceptible to
aspiration?
A. It is longer
B. It is narrower
C. It is more horizontal
D. It is wider and more vertical
11. The order of the respiratory tree structures from largest to
smallest is:
A. Bronchi, Bronchioles, Alveoli
B. Alveoli, Bronchioles, Bronchi
C. Bronchioles, Bronchi, Alveoli
D. Trachea, Alveoli, Bronchi
12. Which structures are the site of gas exchange in the lungs?
A. Bronchioles
B. Alveoli
C. Bronchi
D. Terminal sacs
13. The respiratory membrane consists of:
A. Two layers of simple squamous epithelium
B. The alveolar wall and the capillary wall
C. Ciliated mucosa and smooth muscle
D. Pleural membranes
14. Type II alveolar cells are responsible for:
A. Gas exchange
B. Producing surfactant
