Deck 26: Respiratory Physiology

Question 1

Your predicted vital capacity is 3603 mL.During an anatomy and physiology lab,your actual vital capacity was measured and recorded as 2482 mL.What is the clinical interpretation of this information?

A) Your pulmonary function is above normal, indicative of a consistent exercise program.
B) Your pulmonary function is below normal, indicative of pulmonary disease or a history of smoking.
C) Your pulmonary function is normal.
D) There is not enough information provided to assess pulmonary function.

Answer 1

C

Question 2

What respiratory event occurs when intrapulmonary pressure is less than atmospheric pressure?

A) ventilation
B) exhalation
C) inhalation
D) Air movement does not occur.

Answer 2

C

Question 3

Functional residual capacity is ________.

A) the amount of air that is normally inspired or expired
B) the volume of air remaining in the lungs after a normal expiration
C) the maximum volume of air that can be forcefully exhaled after a normal expiration
D) the volume of air remaining in the lungs after forceful expiration

Answer 3

B

Question 4

If the volume of an enclosed space increases,how does the pressure of the gas in the space change?

A) The pressure of the gas will decrease.
B) The pressure of the gas will remain constant.
C) The pressure of the gas will increase.
D) Boyle's law can't be used to explain the behavior of the gas.

Question 5

Calculate the predicted vital capacity (VC)of a female patient given the information below.Height: 56 inchesAge: 36 years

A) 2998 mL
B) 3106 mL
C) 2384 mL
D) 2456 mL

Question 6

The ________ is the primary inspiratory muscle in the body.

A) serratus anterior
B) rectus abdominis
C) diaphragm
D) internal oblique

Question 7

The maximum amount of air that a person can exhale after a forced inhalation is called ________.

A) expiratory reserve volume (ERV)
B) inspiratory reserve volume (IRV)
C) vital capacity (VC)
D) inspiratory capacity (IC)

Question 8

Which of the following muscles acts to decrease thoracic volume during forced exhalation?

A) internal intercostal muscles
B) pectoralis minor
C) serratus posterior
D) diaphragm

Question 9

A ________ is used to measure pulmonary volumes.

A) thermometer
B) sphygmomanometer
C) spirometer
D) stopwatch

Question 10

A patient has a vital capacity that is 65 percent of his predicted vital capacity.What is the clinical interpretation of this value?

A) The patient is healthy and normal.
B) The patient is most probably involved in a regular exercise program.
C) The patient may have a pulmonary disease such as emphysema.
D) Vital capacity is not a reliable clinical indicator; therefore, no conclusion can be drawn based on the information given.

Question 11

A normal respiratory rhythm during quiet breathing is ________.

A) pulmonary ventilation
B) hypoventilation
C) eupnea
D) hyperventilation

Question 12

The amount of air that moves in and out of the lungs during one cycle of normal inhalation and exhalation is called the ________.

A) inspiratory capacity
B) expiratory reserve volume (ERV)
C) vital capacity (VC)
D) tidal volume (VT)

Question 13

Given the information below,calculate the inspiratory reserve volume of a female patient.Height: 67 inchesAge: 36 yearsEC: 500

A) 3948 mL
B) 3103 mL
C) 4948 mL
D) 4103 mL

Question 14

The maximum volume of air that can be forcefully exhaled after normal exhalation is called the ________.

A) expiratory reserve volume (ERV)
B) tidal volume (VT)
C) expiratory capacity (EC)
D) vital capacity (VC)

Question 15

Given the information below,calculate the tidal volume (VT).ERV = 1000EC = 1500

A) VT = 500
B) VT = 1.5
C) VT = 1,500,000
D) VT = 2500

Question 16

________ is defined as the movement of air into and out of the lungs.

A) External respiration
B) Gas transport
C) Pulmonary ventilation
D) Internal respiration

Question 17

Boyle's law states that the gas pressure inside a closed container at constant temperature is ________.

A) not related to the volume of gas
B) inversely proportional to the volume of gas
C) equal to the volume of gas
D) directly proportional to the volume of gas

Question 18

What respiratory event occurs when intrapulmonary pressure is greater than atmospheric pressure?

A) exhalation
B) ventilation
C) inhalation
D) Movement of air does not occur.

Question 19

Inspiratory muscles act to ________ thoracic volume,whereas expiratory muscles act to ________ thoracic volume.

A) increase; decrease
B) increase; maintain
C) decrease; increase
D) maintain; decrease

Question 20

Inspiratory muscles include the ________.

A) diaphragm and external intercostals
B) external and internal obliques
C) diaphragm and internal intercostals
D) transverse thoracis and rectus abdominis