Respiration #2

Question 1

What is minute alevolar ventilation?

Answer 1

amount of new air entering the alveoli each minute.

Question 2

MAV=

Answer 2

rate (tidal volume. -dead space)

Question 3

Minute Alevolar Ventilation at rest?

Answer 3

12 breaths per minute, TV=500 mL breath, dead space 150 mL

Question 4

Minute Alevolar Ventilation during exercise?

Answer 4

50 breaths per minute, TV=3150 mL breath, dead space=150 mL

Question 5

Obstructive Pulmonary Disorders

Answer 5

Airway resistance and expiration is difficult. (asthma, chronic obstructive pulmonary disease)

Question 6

Asthma

Answer 6

Airway obstruction due to inflammation, mucous secretion, bronchoconsrtiction.
**This can be caused by allergies, exercise or infections.

Question 7

Emphysema

Answer 7

This is a type of COPD
1. the alveolar tissue is destroyed
2. there isn't much room for gas exchange
3. bronchioles collapse
A cause of this is smoking.

Question 8

Chronic Bronchitis

Answer 8

This is a type of COPD
1. inflammation in the lower airways
2 airways swell
3.mucous doesn’t move because the cilia are damaged
a cause of this is smoking pollution, allergies

Question 9

Restrictive Pulmonary Disorders

Answer 9

inspiration is difficult due to decreased compliance due to scar tissue build up.

Question 10

How much energy is required for quiet breathing

Answer 10

requires 3% of total energy expenditure.