Respiratory System

Question 1

Function of Nose

Answer 1

Warms, moistens and filters the air
Lined with vascular mucous membranes
Turbinates or conchae create large area for air to move over to increase warming
Tiny hairs line nasal cavity to trap particles and prevent from entering lower respiratory tract
Olfactory nerve endings located in mucous membranes

Question 2

Pharynx contains what 2 structures?

Answer 2

Tonsils and adenoids

Question 3

Pharynx is the passageway for…

Answer 3

both food and air

Question 4

What does the pharynx connect to?

Answer 4

Eustachian tube that then connects to inner ear

Question 5

Larynx (nickname, contains, connects to)

Answer 5

“voice box”
Contains the vocal cords
Connects pharynx and trachea
Thyroid cartilage is the “Adam’s apple”

Question 6

Trachea (patho, extends to, contains, lined with)

Answer 6

5” windpipe
Extends to mid-chest that divides into R+L bronchi
Contains C-shaped cartilaginous rings to prevent collapsing
Lined with mucous membranes and cilia

Question 7

LowerAlveoli

Answer 7

Delicate thin-walled, hollow chamber of the lung surrounded by a network of capillaries
Contains surfactant to keep expanded

Question 8

Thoracic Cavity

Answer 8

Lung
Mediastinum
Interpleural space is enclosed by the sternum, ribs, and thoracic vertebrae

Question 9

Lungs have ___ pressure

Answer 9

negative

Question 10

Pleurae

Answer 10

2-layered membrane covering each lung and lining thoracic cavity

Question 11

Lingula

Answer 11

Left

Question 12

Ventilation

Answer 12

Moves air into and out of alveoli
Air moves from high-pressure to low-pressure
Use diaphragm and intercostals
Atmospheric pressure is 760 mmHG
Pressure in pleural space should be below atmospheric pressure