Lecture 1 - Introduction

Question 1

Infection of respiratory system divisions?

Answer 1

lower more severe e.g. pneumonia, affect respiration rather than humidification of air etc., also greater surface area of lower

Question 2

Branching of bronchial tree?

Answer 2

Trachea, main bronchi, lobar bronchi, segmental bronchi, bronchioles, terminal bronchioles

Question 3

Functions of Respiratory System?

Answer 3

Gas exchange, protection, sound production, control of blood pressure, volume and pH

Question 4

Conducting zone?

Answer 4

no gas exchange, move and condition air to respiratory zone; nares -> terminal bronchioles

Question 5

Respiratory zone?

Answer 5

where gas exchange occurs; respiratory bronchioles -> alveoli

Question 6

Sources of mucus?

Answer 6

goblet cells, seromucus glands

Question 7

Mucus layers?

Answer 7

serous lay, w gel layer on top