Unit 5 - A & P Module - Measuring pulmonary function

Question 1

The total amount of air that can be moved between the lungs and the atmosphere is known as the __________.

Answer 1

vital capacity

Question 2

Tidal volume = 400 mL/breath
Vital capacity = 4000 mL
Respiratory rate = 10 breaths/minute
Dead air space = 150 mL
Minute ventilation = _______ mL/min

Answer 2

4000 mL/min

Question 3

Which of the following best represents the inspiratory capacity?

Answer 3

Tidal volume + inspiratory reserve volume

Question 4

The extra volume of air that can be brought into the lungs after a inspiratory tidal volume is taken in is known as the __________.

Answer 4

inspiratory reserve volume

Question 5

Alveolar ventilation (VA) is different from minute ventilation (VE) in that __________.

Answer 5

the equation for VA subtracts the volume of air inside the dead air space from the volume of minute ventilation

Question 6

The following volumes allow additional lung capacity so that when experiencing an increase in metabolism, tidal volume can increase

Answer 6

Inspiratory reserve volume and expiratory reserve volume

Question 7

In an active, or forced, expiration, which of the following muscles contract?

Answer 7

Internal intercostals and abdominal muscles

Question 8

Alveolar ventilation refers to the movement of __________.

Answer 8

air into and out of the alveoli

Question 9

Which of the following statements about expiration is correct?

1. Alveolar pressure increases during expiration
2. The abdominal muscles contract during normal expiration
3. The diaphragm contracts during expiration
4. Normally, expiration is a passive process.

Answer 9

Normally, expiration is a passive process.

Question 10

If a person were to breathe out a normal tidal volume, and then forcefully breathe out as much air as they could, the extra volume that they breathe out (not including the tidal volume) would be the __________.

Answer 10

expiratory reserve volume

Question 11

Tidal volume = 500 mL/breath
Vital capacity = 5500 mL
Respiratory rate = 12 breaths/minute
Dead air space = 100 mL
Alveolar ventilation = ________ mL/min

Answer 11

4800 mL/min

Question 12

The following volumes is the volume that represents quiet breathing and normal breathing during an inspiratory and expiratory cycle.

Answer 12

Tidal volume

Question 13

The total lung capacity is best described by the sum of __________.

Answer 13

all lung volumes (vital capacity + reserve volume)

Question 14

The lung volume or capacity that cannot be measured by spirometry is __________.

Answer 14

RV (reserve volume)