Histology of the Respiratory System

Multiple Choice

What is the function of vibrissae in the vestibules?

• To filter large particulate matter

• To produce mucus

• To absorb oxygen

• To regulate airflow

Multiple Choice

What are the three types of cells that make up the olfactory epithelium?

• Olfactory neurons

• Supporting/sustentacular cells

• Basal cells

• All of the above

Multiple Choice

What type of epithelium lines the nasal cavity according to the image?

• Simple Squamous Epithelium

• Ciliated Pseudostratified Columnar Epithelium

• Stratified Squamous Epithelium

• Cuboidal Epithelium

Multiple Choice

What type of epithelial lining is found in the wall of the nasopharynx?

• Simple squamous epithelium

• Ciliated pseudostratified columnar epithelium

• Stratified squamous epithelium

• Cuboidal epithelium

Multiple Choice

What are the functions of the larynx as described in the image?

• Respiratory tract & phonation

• Protection of the airway

• Prevent food or fluid from entering the trachea

• All of the above

Multiple Choice

What role do basal cells play in the mucociliary escalator?

• Secrete mucus

• Stem cells for epithelium

• Contain cilia

• Absorb dust particles

Multiple Choice

What is the primary function of goblet cells in the mucociliary escalator?

• Secrete mucus

• Absorb nutrients

• Transport oxygen

• Regulate temperature

Multiple Choice

What is the primary function of the mucociliary escalator in the respiratory system?

• To cool down the air before it reaches the lungs

• To use mucus and cilia to trap and move out harmful things like dust and germs

• To exchange gases between the air and blood

• To produce sound for communication

Multiple Choice

What type of epithelium lines the larynx, except on the superior surfaces of the epiglottis and vocal folds?

• Ciliated pseudostratified columnar epithelium

• Stratified squamous nonkeratinized epithelium

• Simple cuboidal epithelium

• Transitional epithelium

Multiple Choice

What are the components of the vocal folds as shown in the diagram?

• Vocal ligament

• Ventricular fold

• Vocalis muscle

• Thyroid cartilage

Multiple Choice

What type of epithelium is found on the lingual surface of the epiglottis?

• Stratified squamous non keratinized epithelium

• Simple cuboidal epithelium

• Ciliated columnar epithelium

• Transitional epithelium

Multiple Choice

The trachea has

• a grape-like structure

• muscular contractions traveling from top to bottom

• cartilaginous rings

• a sphincter between itself and the lungs

Multiple Select

What are the main types of cells found in the respiratory epithelium of the trachea?

• Ciliated columnar cells

• Goblet cells

• Basal cells

• Granule cells

Multiple Choice

What type of epithelium is found in the wall of the trachea?

• Simple squamous epithelium

• Stratified squamous epithelium

• Pseudostratified columnar ciliated epithelium

• Cuboidal epithelium

Multiple Choice

What is the main difference between bronchi and bronchioles in terms of cartilage presence?

• Bronchi have cartilage

• Bronchioles have cartilage

• Both have cartilage

• Neither have cartilage

Multiple Choice

What type of epithelium do larger bronchioles initially have?

• Simple squamous epithelium

• Ciliated pseudostratified columnar epithelium

• Stratified cuboidal epithelium

• Simple cuboidal epithelium

Multiple Select

What are the functions of Alveolar type I and type II cells?

• Type I cells line the epithelium

• Type II cells secrete surfactant

• Type I cells are rounded in shape

• Type II cells are flattened cells

Poll

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