NUR 102 Exam 2, Week 1: Concepts

Question 1

What is the upper airway composed of?

Answer 1

• Epiglottis
• Larynx
• Pharynx
• Nose

Question 2

What is the function of the upper airway?

Answer 2

• Warm
• Filter
• Humidify

Question 3

What is the lower airway (tracheobronchial) composed of?

Answer 3

• Trachea
• Bilateral main stem bronchi
• Segmental bronchi
• Terminal Bronchioles

Question 4

What are the major functions of the tracheobronchial airway?

Answer 4

• Conduction of air
• Mucociliary clearance
• Production of surfactant

Question 5

How many lobes are on each side of the lungs?

Answer 5

• 3 on the right

- 2 on the left

Question 6

How are the lungs held in an expanded position?

Answer 6

Negative pressure (sub-atmospheric) in the pleural space.

Question 7

What factors affect the diffusion of gases in the lungs?

Answer 7

• Changes in surface area
• Thickening of the alveolar-capillary membrane
• Partial pressure

Question 8

What part of the brain controls the respiratory center?

Answer 8

Medulla.

Question 9

Which chambers of the heart receive blood?

Answer 9

Atria.

Question 10

Which chambers of the heart force blood out through the arteries?

Answer 10

Ventricles.

Question 11

What is the formula to calculate the cardiac output (CO)?

Answer 11

CO = stroke volume (SV) x HR

Question 12

What is the super general course of oxygen and blood throughout the heart and lungs?

Answer 12

• Deoxygenated blood is carried from R side of heart to the lungs
• Once O2 and CO2 exchange, they return to L side of heart
• Then pumped to the rest of the body

Question 13

What is the process of internal respiration?

Answer 13

Exchange of O2 and CO2 between circulating blood and tissue cells.

Question 14

What factors affect cardiopulmonary functioning and oxygenation?

Answer 14

• Asthma
• Level of health
• Developmental consideration