Chapter 26, 27

Question 1

What is the process for respiration (gas exchange)?

Answer 1

Ventilation > Perfusion > Diffusion

Question 2

What is the physical process of moving air into and out of the lungs so that gas exchange can take place?

Answer 2

Ventilation

Question 3

Blood flow to alveoli so gases can be exchanged is called?

Answer 3

Perfusion

Question 4

What is the movement of gases from an area of high concentration to an area of lower concentration across the alveoli capillary membrane?

Answer 4

Diffusion

Question 5

Oxygen diffuses from the alveoli into the blood because?

Answer 5

the PO2 is higher in the alveoli than the blood.

Question 6

CO2 diffuses from the blood into the alveoli space because?

Answer 6

the CO2 is higher in the blood then the alveoli

Question 7

What are some factors affecting respiratory function?

Answer 7

• Body position
• Environment
• Lifestyle and Habits
• Stress and Anxiety
• Medications
• Physical Abnormalities
• Disease Process
• Injury

Question 8

Body position >

Answer 8

sitting up or standing allows for better lung expansion.

Question 9

Environment air pollution >

Answer 9

carbon monoxide - prevents oxygen attachment to hemoglobin

Question 10

The O2 in our environment or FIO2 =

Answer 10

21%

Question 11

What is the narrowing of the bronchioles caused by tightening of the smooth muscles in the airways?

Answer 11

bronchospasm

Question 12

Breathing that requires marked effort is called?

Answer 12

dyspnea

Question 13

Expectoration of blood is called?

Answer 13

hemoptysis

Question 14

abnormally high carbon dioxide in the blood is called?

Answer 14

hypercapnia

Question 15

Decreased amount of oxygen available to the tissues is called?

Answer 15

hypoxia