Question 1

Boyle's law states that the pressure of a gas is

Accepted Answer

A)  inversely proportional to the volume of its container. 
B)  always higher in the atmosphere than in the lungs. 
C)  directly proportional to temperature. 
D)  inversely proportional to temperature. 
E)  directly proportional to the volume of its container. 
A)  inversely proportional to the volume of its container. 
B)  always higher in the atmosphere than in the lungs. 
C)  directly proportional to temperature. 
D)  inversely proportional to temperature. 
E)  directly proportional to the volume of its container.

Question 2

Which of the following is not a true statement?

Accepted Answer

A)  The DRG primarily controls inspiration. 
B)  The VRG primarily controls expiration. 
C)  The DRG functions in forced breathing only. 
D)  The VRG functions in forced breathing only. 
E)  The DRG controls external intercostals and the diaphragm. 
A)  The DRG primarily controls inspiration. 
B)  The VRG primarily controls expiration. 
C)  The DRG functions in forced breathing only. 
D)  The VRG functions in forced breathing only. 
E)  The DRG controls external intercostals and the diaphragm.

Question 3

The openings to the nasal cavity are the

Accepted Answer

A)  external nares. 
B)  internal nares. 
C)  nasal meatuses. 
D)  nasal conchae. 
E)  nasal sinuses. 
A)  external nares. 
B)  internal nares. 
C)  nasal meatuses. 
D)  nasal conchae. 
E)  nasal sinuses.

Question 4

Quiet breathing is to ________ as shallow breathing is to ________.

Accepted Answer

A)  eupnea; diaphragmatic breathing 
B)  eupnea; costal breathing 
C)  costal breathing; eupnea 
D)  costal breathing; diaphragmatic 
E)  diaphragmatic breathing; eupnea 
A)  eupnea; diaphragmatic breathing 
B)  eupnea; costal breathing 
C)  costal breathing; eupnea 
D)  costal breathing; diaphragmatic 
E)  diaphragmatic breathing; eupnea

Question 5

A patient with a connective tissue disease experiences increased pulmonary vascular resistance. Over a period of time, you would expect to observe

Accepted Answer

A)  increased cardiac output from the right ventricle. 
B)  increased cardiac output from the left ventricle. 
C)  increased thickness of the right ventricular wall. 
D)  distension of the pulmonary veins from the right lung. 
E)  no appreciable changes in heart structure or function. 
A)  increased cardiac output from the right ventricle. 
B)  increased cardiac output from the left ventricle. 
C)  increased thickness of the right ventricular wall. 
D)  distension of the pulmonary veins from the right lung. 
E)  no appreciable changes in heart structure or function.

Question 6

JJ is suffering from laryngitis. He will most likely experience which of the following symptoms?

Accepted Answer

A)  coughing 
B)  hoarseness 
C)  sneezing 
D)  suffocation 
E)  impaired swallowing 
A)  coughing 
B)  hoarseness 
C)  sneezing 
D)  suffocation 
E)  impaired swallowing

Question 7

During a choking episode, most foreign objects are lodged in the ________ bronchus due to its larger diameter and steeper angle.

Accepted Answer

A)  right primary 
B)  left primary 
C)  right lobar 
D)  left lobar 
E)  medial 
A)  right primary 
B)  left primary 
C)  right lobar 
D)  left lobar 
E)  medial

Question 8

In-Text Figure Based Questions
-Name the primary muscles of inspiration. (Figure 23-14)

Accepted Answer

A)  internal intercostal muscles and external intercostal muscles 
B)  diaphragm and internal intercostal muscles 
C)  diaphragm and external intercostal muscles 
D)  rectus abdominis and transversus thoracis 
E)  serratus anterior and rectus abdominus 
A)  internal intercostal muscles and external intercostal muscles 
B)  diaphragm and internal intercostal muscles 
C)  diaphragm and external intercostal muscles 
D)  rectus abdominis and transversus thoracis 
E)  serratus anterior and rectus abdominus

Question 9

Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheraltissues?

Accepted Answer

A)  decreased temperature 
B)  decreased pH 
C)  increased tissue PO2 
D)  decreased amounts of BPG 
E)  decreased temperature and decreased amounts of BPG 
A)  decreased temperature 
B)  decreased pH 
C)  increased tissue PO2 
D)  decreased amounts of BPG 
E)  decreased temperature and decreased amounts of BPG

Question 10

What is one atmosphere of pressure?

Accepted Answer

A)  760 mm Hg 
B)  1000 mm Hg 
C)  105 mm Hg 
D)  45 mm Hg 
E)  650 mm Hg 
A)  760 mm Hg 
B)  1000 mm Hg 
C)  105 mm Hg 
D)  45 mm Hg 
E)  650 mm Hg

Question 11

Higher brain centers that alter the activity of the respiratory centers include all of the following except

Accepted Answer

A)  cortical association areas. 
B)  the precentral motor gyrus. 
C)  the limbic system. 
D)  the hypothalamus. 
E)  Broca's center. 
A)  cortical association areas. 
B)  the precentral motor gyrus. 
C)  the limbic system. 
D)  the hypothalamus. 
E)  Broca's center.

Question 12

The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n)

Accepted Answer

A)  debris filter. 
B)  mucus escalator. 
C)  respiratory rhythmicity center. 
D)  smooth slick surface allowing particles to slide. 
E)  increased surface area for gas exchange. 
A)  debris filter. 
B)  mucus escalator. 
C)  respiratory rhythmicity center. 
D)  smooth slick surface allowing particles to slide. 
E)  increased surface area for gas exchange.

Question 13

Figure 23-2 Mechanics of Ventilation
  
Use Figure 23-2 to answer the following questions:
-Which muscle(s) produce(s) the movement labeled "1"?

Accepted Answer

A)  rectus abdominis 
B)  internal intercostals 
C)  external intercostals 
D)  diaphragm 
E)  both rectus abdominis and external intercostals 
A)  rectus abdominis 
B)  internal intercostals 
C)  external intercostals 
D)  diaphragm 
E)  both rectus abdominis and external intercostals

Question 14

The ________ is lined by stratified squamous epithelium.

Accepted Answer

A)  nasopharynx 
B)  trachea 
C)  oropharynx 
D)  larynx 
E)  nasal cavity 
A)  nasopharynx 
B)  trachea 
C)  oropharynx 
D)  larynx 
E)  nasal cavity

Question 15

Which of these factors does not affect hemoglobin's affinity for oxygen?

Accepted Answer

A)  RBC metabolic activity 
B)  temperature 
C)  electrolyte balance 
D)  the PO2 of blood 
E)  blood pH 
A)  RBC metabolic activity 
B)  temperature 
C)  electrolyte balance 
D)  the PO2 of blood 
E)  blood pH

Question 16

Figure 23-1 The Upper Airways
  
Use Figure 23-1 to answer the following questions:
-What is the function of the structure labeled "5"?

Accepted Answer

A)  help olfaction 
B)  improve warming of air 
C)  cause air to swirl within the respiratory passageway 
D)  prevent food from entering the larynx 
E)  prevent food from entering the nasopharynx 
A)  help olfaction 
B)  improve warming of air 
C)  cause air to swirl within the respiratory passageway 
D)  prevent food from entering the larynx 
E)  prevent food from entering the nasopharynx

Question 17

An acute infection of the throat that can lead to swelling and closure of the glottis and cause suffocationis known as

Accepted Answer

A)  laryngitis. 
B)  laryngospasm. 
C)  acute epiglottitis. 
D)  strep throat. 
E)  acute pharyngitis. 
A)  laryngitis. 
B)  laryngospasm. 
C)  acute epiglottitis. 
D)  strep throat. 
E)  acute pharyngitis.

Question 18

Which pressure remains negative throughout the respiratory cycle?

Accepted Answer

A)  intrapulmonary 
B)  intrapleural 
C)  intra-alveolar 
D)  atmospheric 
E)  intrapulmonary and intra-alveolar 
A)  intrapulmonary 
B)  intrapleural 
C)  intra-alveolar 
D)  atmospheric 
E)  intrapulmonary and intra-alveolar

Question 19

The condition resulting from inadequate production of surfactant and the resultant collapse of alveoli is

Accepted Answer

A)  respiratory distress syndrome. 
B)  COPD. 
C)  anoxia. 
D)  pulmonary embolism. 
E)  pneumothorax. 
A)  respiratory distress syndrome. 
B)  COPD. 
C)  anoxia. 
D)  pulmonary embolism. 
E)  pneumothorax.

Question 20

The pneumotaxic center of the pons

Accepted Answer

A)  sets the at-rest respiratory pattern. 
B)  prolongs inspiration. 
C)  modifies the rate and depth of breathing. 
D)  suppresses the expiratory center in the medulla. 
E)  stimulates the dorsal respiratory group. 
A)  sets the at-rest respiratory pattern. 
B)  prolongs inspiration. 
C)  modifies the rate and depth of breathing. 
D)  suppresses the expiratory center in the medulla. 
E)  stimulates the dorsal respiratory group.

Exam 23: The Respiratory System

Boyle's law states that the pressure of a gas is

Which of the following is not a true statement?

The openings to the nasal cavity are the

Quiet breathing is to ________ as shallow breathing is to ________.

A patient with a connective tissue disease experiences increased pulmonary vascular resistance. Over a period of time, you would expect to observe

JJ is suffering from laryngitis. He will most likely experience which of the following symptoms?

During a choking episode, most foreign objects are lodged in the ________ bronchus due to its larger diameter and steeper angle.

In-Text Figure Based Questions -Name the primary muscles of inspiration. (Figure 23-14)

Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheraltissues?

What is one atmosphere of pressure?

Higher brain centers that alter the activity of the respiratory centers include all of the following except

The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n)

Figure 23-2 Mechanics of Ventilation Use Figure 23-2 to answer the following questions: -Which muscle(s) produce(s) the movement labeled "1"?

The ________ is lined by stratified squamous epithelium.

Which of these factors does not affect hemoglobin's affinity for oxygen?

Figure 23-1 The Upper Airways Use Figure 23-1 to answer the following questions: -What is the function of the structure labeled "5"?

An acute infection of the throat that can lead to swelling and closure of the glottis and cause suffocationis known as

Which pressure remains negative throughout the respiratory cycle?

The condition resulting from inadequate production of surfactant and the resultant collapse of alveoli is

The pneumotaxic center of the pons

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

Quiet breathing is to as shallow breathing is to .