Cardiovascular and Respiratory histology

Question 1

Types of respiratory epithelium

Answer 1

• basal
• ciliated columnar
• goblet
• brush
• club
• neuroendocrine

Question 2

Mucociliary Escalator

Answer 2

• cilia; arrangement of microtubules
• 2 central tubules, 9 peripheral doublets
• dynein; connects doublets
• ## mucus; 2x layers serous and thicker mucous

Question 3

Nasal Cavity

Answer 3

• Nasal conchae and turbinates increase SA
• submucosal connective tissue; warms air
• serous glands; add moisture

Question 4

Paranasal sinuses

Answer 4

• Pseudostratified columnar ciliated epithelium
• sound amplification and lighten the skull

Question 5

Pharynx

Answer 5

• nasopharynx; between nasal cavity and larynx
• oropharynx; between the mouth and the larynx

Question 6

Nasopharynx

Answer 6

• soft palate; stratified squamous epithelium
• the remainder is columnar epithelium with goblet cells
• many lymphocytes

Question 7

Oropharynx

Answer 7

• stratified squamous epithelium
• lamina propria has mucous glands