ATI TEAS Nurse Cheung Respiratory and Cardiovascular System

What is considered the conducting Zone?

Nose, Moth, Pharynx, Larynx, Trachea, Bronchioles

What is considered the Respiratory Zone?

Respiratory bronchioles, aveoli

What is the conducting zone also known as?

anatomical dead space (no gas exchange)

Nasal cavity function

air is warmed, humidified, and filtered by mucus and hair

Pharynx Function

Junction for food and air

What is the Larynx

Voice box

Trachea characteristic

Tube with rings of cartilage providing support

Epiglottis function

prevents food from entering trachea

Conducting zone function

transports air from outside environment to site of gas exchange

Respiratory Zone function

structures partaking in gas exchange.

Inspiration characteristics

Diaphragm and external intercostal muscles contract. thoracic volume increases

Expiration characteristics

Diaphragm and intercostal muscles relax. thoracic volume decreases

How many lobes does the right lung have

3 lobes

How many lobes does the left lung have

2 lobes

Alveoli function

tiny air sacs of lungs that allow rapid gas exchange.

correct order biggest to smallest

Terminole bronchioles→ respiratory bronchioles→ alveoli

What is Perfusion

Process of delivering blood to body tissues, organs, and cells

Hyperventilation

fast breathing, pH is basic