Exam 1 Questions

Question 1

When the rib cage elevates the volume of the lungs ______ (decrease/increase)?

Answer 1

Increases

Question 2

When the volume of the thorax increases, air pressure within the thorax will _____ (decrease/increase)?

Answer 2

Decrease

Question 3

When the diaphragm contracts, the volume of the thorax will _____ (decrease/increase)?

Answer 3

Increase

Question 4

_____ is hard but brittle

Answer 4

bone

Question 5

When the air pressure within the thorax increases, air will flow ______ the thorax (into/out of)?

Answer 5

Out of

Question 6

_____ has the quality of elasticity

Answer 6

cartilage

Question 7

When the rib cage is elevated, the _____ of the rib cage is distorted

Answer 7

chondral portion

Question 8

when the rib cage elevates, the _______ of the rib cage increases

Answer 8

Volume

Question 9

where does gas exchange occur deep within the lungs?

Answer 9

alveoli

Question 10

what is wrapped around an alveoli?

Answer 10

capillary bed

Question 11

where are alveoli located?

Answer 11

bronchial tree

Question 12

What is the passageway leading to a group of alveoli?

Answer 12

bronchiole

Question 13

What is the exchange of gas between an organism and its environment?

Answer 13

respiration

Question 14

The functional system of lungs, muscles, and passageways involved in the process of respiration

Answer 14

respiratory system

Question 15

the process of drawing air into the respiratory system

Answer 15

inspiration

Question 16

the process of eliminating air from the respiratory system

Answer 16

expiration

Question 17

The force exerted per unit; P = F/A

Answer 17

air pressure

Question 18

Pressure lower than some reference, or below ambient

Answer 18

Relative negative pressure

Question 19

Pressure higher than some reference, or above ambient

Answer 19

Relative positive pressure

Question 20

Given a gas at constant pressure, if you increase the volume of the container, the pressure within will decrease

Answer 20

Boyle’s law

Question 21

Movement of air from one point to another

Answer 21

airflow

Question 22

Thoracic volume will __________ (increase/decrease) when you expand the rib cage

Answer 22

Increase

Question 23

2 major inhalation muscle groups are what?

Answer 23

Diaphragm and external intercostals

Question 24

Lungs adhere to the ________ via the ________ membrane

Answer 24

Thorax, pleural

Question 25

_______ relationship between pressure and volume for _______ law

Answer 25

Inverse, Boyle's

Question 26

During inhalation, thoracic cavity expands, including through contraction of major inspiratory muscles ________ & ___________

Answer 26

Diaphragm and external intercostals

Question 27

Increased lung volume will ________ the air pressure in the lungs

Answer 27

Decrease

Question 28

_____ will rush into the lung to ______ the air pressure if the pressure is decreased in the lungs

Answer 28

Air, balance

Question 29

Air molecules always move from areas of ______ pressure to _______ pressure

Answer 29

higher, lower

Question 30

When the pressure reaches __________, inhalation stops

Answer 30

balance

Question 31

Gas exchange occurs at ________

Answer 31

alveoli

Question 32

For quiet breathing, _______ is not necessary during exhalation

Answer 32

contraction

Question 33

For _______ exhalation, we need accessory muscles

Answer 33

forced

Question 34

In exhalation muscles return to "neutral" position by way of: ______ & _______

Answer 34

elasticity and gravity

Question 35

Volume of air exchanged in one cycle of respiration (one breath)

Answer 35

Tidal Volume (TV)

Question 36

Volume of air that can be maximally inhaled at the end of passive inhalation

Answer 36

Inspiratory reserve volume (IRV)

Question 37

Volume of air that can be forcefully exhaled at the end of passive exhalation

Answer 37

Expiratory Reserve Volume (ERV)

Question 38

Volume of air left after maximal expiration

Answer 38

Residual Volume (RV)

Question 39

Volumes of air that can be inhaled/exhaled by effort

Answer 39

Vital Capacity (VC)

Question 40

Volumes of air that can be enclosed in the respiratory system (i.e., RV+ERV+TV+IRV)

Answer 40

Total Lung (TLC)

Question 41

The volume of air that can be maximally inhaled in addition to tidal volume is called: A) total lung volume B) inspiratory reserve volume C) expiratory reserve volume

Answer 41

B) IRV

Question 42

The amount of air inhaled and exhaled during a quiet respiratory cycle is: A) total lung volume B) resting tidal volume C) inspiratory reserve volume D) expiratory reserve volume

Answer 42

B

Question 43

The combination of IRV, ERV, and TV is called ______ ________

Answer 43

Vital capacity

Question 44

The combination of inspiratory reserve volume, expiratory reserve volume, tidal volume, and residual volume represents A) total lung volume B) tidal volume C) IRV D) ERV

Answer 44

A

Question 45

You can easily change the residual lung volume: true or false

Answer 45

False

Question 46

The amount of air in the lungs after a maximum inhalation:

Answer 46

total lung volume

Question 47

____ is unconscious, automatic process; inhalation uses mostly diaphragm and EI

Answer 47

life breathing

Question 48

Volume of air inspired or expired during normal breathing

Answer 48

tidal volume

Question 49

Amount of air inspired forcefully after inspiration of normal tidal volume

Answer 49

inspiratory reserve volume (IRV)

Question 50

Amount of air forcefully expired after expiration of normal tidal volume

Answer 50

expiratory reserve volume (ERV)

Question 51

Volume of air remaining in respiratory passages and lungs after the most forceful expiration

Answer 51

residual volume (RV)