Deck 15: Respiratory System

Question 1

A particularly rich plexus of veins is present in the connective tissue of which respiratory structure?

A) Bronchiole
B) Larynx
C) Nasal concha
D) Olfactory epithelium of the anterior nasal cavity
E) Primary bronchus

Answer 1

C

Question 2

Kartagener's syndrome,characterized by frequent respiratory infections,arises from a defect in which respiratory structure?

A) Cartilage in bronchi
B) Cilia in respiratory epithelia
C) Goblet cells in bronchioles
D) Pulmonary alveolar capillaries
E) Surfactant in alveolar cells

Answer 2

B

Question 3

Clara cells are specialized secretory cells that can be found in the:

A) Bronchi
B) Larynx
C) Olfactory epithelium
D) Pulmonary alveoli
E) Bronchioles

Answer 3

E

Question 4

Elastic cartilage and a stratified squamous epithelium are found in which respiratory structure?

A) Bronchiole
B) Bronchus
C) Epiglottis
D) Nasal concha
E) Trachea

Question 5

Macrophages termed "dust cells" are particularly prominent in which portion of the respiratory system?

A) Extrapulmonary bronchi
B) Lamina propria of the trachea
C) Pharyngeal tonsils
D) Pulmonary alveoli
E) Pulmonary bronchioles

Question 6

The combination of a pseudostratified columnar epithelium,a lamina propria of loose connective tissue,and a layer of smooth muscle is found in which respiratory structure?

A) Bronchus
B) Larynx
C) Pulmonary alveolus
D) Bronchiole
E) Trachea

Question 7

The function of type II cells in pulmonary alveoli is to:

A) Detoxify nitrogen dioxide
B) Facilitate the diffusion of oxygen out of pulmonary capillaries
C) Perform proteolysis of mucous proteins
D) Secrete the phospholipids of surfactant
E) Utilize cilia to transport mucus out of the lungs