Respiratory

Question 1

a spirometer measures

Answer 1

a persons ability to move air

Question 2

Boyles Law

Answer 2

the pressure in a closed container is inversely proportional to its volume

Question 3

Tidal Volume

Answer 3

the volume inspired and expired with each breath
average around 500mL

Question 4

inspiratory reserve volume

Answer 4

the volume of air that can be forcefully inhaled after a normal tidal inhalation
average around 2100-3200

Question 5

expiratory reserve volume

Answer 5

the volume of air that can be forcefully exhaled after a normal tidal exhalation
normal= 1000-1200mL

Question 6

vital capacity

Answer 6

the maximal volume of air that can be forcefully exhaled after a maximal inhalation

Question 7

residual volume

Answer 7

the volume of air left in the lungs after max exhalation
normal= 1200

Question 8

dead air space

Answer 8

the volume of air inspired and expired that will not participate in gas exchange in the lungs. typical is around 150mL

Question 9

main stimulus for breathing

Answer 9

decrease in PH

Question 10

most important gas for breathing

Answer 10

CO2

Question 11

respiratory acidosis

Answer 11

decreased PH

Question 12

Co2 during hyperventilation

Answer 12

decreased CO2 because the body is exhaling more CO2 than it is producing

Question 13

Bronchial sounds

Answer 13

relatively louder sounds produced by air as it moves through the bronchial tree

Question 14

vesicular sounds

Answer 14

quieter rustling sounds that are caused by air movement through the sacs in the lungs

Question 15

Pathologic Chest Sounds

Loud Bronchial sounds in the back of the chest

Answer 15

due to space occupying solid lesions in the chest (tumors, TB, pneumonia)

Question 16

Pathologic Chest Sounds

Wheezing

Answer 16

whistling sound- increased mucus and fluid in conducting tubes

Question 17

Pathologic Chest Sounds

Rales

Answer 17

rasping sound due to fluids within the alveoli and or plural space