WorksheetsQuiz on Bronchioles and Alveoli
Total questions: 15
Worksheet time: 8mins
What type of epithelium lines larger bronchioles?
Simple cuboidal epithelium
Simple columnar ciliated epithelium
Stratified squamous epithelium
Simple squamous epithelium
What type of cells are found in terminal bronchioles?
Goblet cells
Clara cells
Type I alveolar cells
Ciliated cells
What is the primary function of Clara cells?
Secrete surfactant
Produce mucus
Facilitate gas exchange
Provide a non-sticky surface
What structure separates alveoli from one another?
Pleura
Interalveolar septum
Bronchioles
Alveolar ducts
What percentage of the alveolar surface is covered by Type I cells?
75%
25%
97%
50%
What is the primary function of Type II alveolar cells?
Provide structural support
Facilitate gas diffusion
Secrete surfactant
Secrete mucus
What type of epithelium lines smaller (terminal) bronchioles?
Simple columnar ciliated epithelium
Simple cuboidal ciliated epithelium
Simple squamous epithelium
Stratified cuboidal epithelium
What is the structure of Type II alveolar cells?
Columnar with cilia
Large, round or cuboidal
Non-ciliated with a flat apex
Flattened cells
What do Type I cells help form?
Ciliated surface
Blood-air barrier
Mucus layer
Surfactant layer
What is the role of the interalveolar septum?
Facilitate airflow
Produce surfactant
Separate alveoli
Support bronchioles
What type of cells are Clara cells?
Cuboidal cells
Squamous cells
Non-ciliated columnar cells
Ciliated columnar cells
What is the main component of the fluid secreted by Clara cells?
Carbohydrates
Nucleic acids
Proteins
Lipids
What is the primary characteristic of alveoli?
Cartilaginous support
Ciliated surface
Polyhedral sacs
Muscular walls
What type of cells make up 3% of the alveolar surface?
Clara cells
Type II cells
Type I cells
Goblet cells
What do Type II cells contain that is important for their function?
Ribosomes
Microvilli
Cilia
Mitochondria
