Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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 
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 B

Question 4

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

Accepted Answer

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

Question 5

Functional residual capacity is ________.

Accepted Answer

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 
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

Question 6

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

Accepted Answer

A)  expiratory reserve volume (ERV) 
B)  tidal volume (VT) 
C)  expiratory capacity (E
C)  
D)  vital capacity (V
C)  
A)  expiratory reserve volume (ERV) 
B)  tidal volume (VT) 
C)  expiratory capacity (E
C)  
D)  vital capacity (V
C)

Question 7

A ________ is used to measure pulmonary volumes.

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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. 
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 10

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

Accepted Answer

A)  expiratory reserve volume (ERV) 
B)  inspiratory reserve volume (IRV) 
C)  vital capacity (V
C)  
D)  inspiratory capacity (I
C)  
A)  expiratory reserve volume (ERV) 
B)  inspiratory reserve volume (IRV) 
C)  vital capacity (V
C)  
D)  inspiratory capacity (I
C)

Question 11

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

Accepted Answer

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

Question 12

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?

Accepted Answer

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. 
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.

Question 13

The ________ is the primary inspiratory muscle in the body.

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

A normal respiratory rhythm during quiet breathing is ________.

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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. 
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 19

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

Accepted Answer

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

Question 20

Inspiratory muscles include the ________.

Accepted Answer

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

Exam 26: Respiratory Physiology

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

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

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

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

Functional residual capacity is ________.

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

A ________ is used to measure pulmonary volumes.

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

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

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

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

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?

The ________ is the primary inspiratory muscle in the body.

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

A normal respiratory rhythm during quiet breathing is ________.

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

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

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

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

Inspiratory muscles include the ________.

Body Organization and Terminology

Care and Use of the Compound Light Microscope

Cell Structure and Cell Division

Membrane Transport

Tissues

The Integumentary System

Introduction to the Skeletal System and the Axial Skeleton

The Appendicular Skeleton

Articulations

Introduction to Skeletal Muscle

Muscles of the Head, Neck, and Trunk

Muscles of the Upper and Lower Limbs

Physiology of the Muscular System

Nervous Tissue

The Brain and Cranial Nerves

The Spinal Cord and Spinal Nerves

Human Reflex Physiology

Special Senses

The Endocrine System

Blood Cells

Gross Anatomy of the Heart

Anatomy of Blood Vessels

Cardiovascular Physiology

The Lymphatic System

Anatomy of the Respiratory System

Anatomy of the Digestive System

Actions of a Digestive Enzyme

Anatomy of the Urinary System

Urinary Physiology

The Male Reproductive System

The Female Reproductive System

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