Question 1

A patient with tuberculosis is often noncompliant with treatment.Explain why this may happen.

Accepted Answer

Noncompliance may occur because of the l

Question 2

The nose serves all of the following functions EXCEPT ________.

Accepted Answer

A)  cleansing the air 
B)  warming and humidifying the air 
C)  as a passageway for air movement 
D)  as the direct initiator of the cough reflex 
A)  cleansing the air 
B)  warming and humidifying the air 
C)  as a passageway for air movement 
D)  as the direct initiator of the cough reflex

Question 3

Figure 22.1
Using Figure 22.1, match the following:
-Trachea.

Accepted Answer

A) E 
B) A 
C) C 
D) B 
E) D 
A) E 
B) A 
C) C 
D) B 
E) D

Question 4

A patient was admitted to the hospital with chronic obstructive pulmonary disease.His PO2 was 55 and PCO2 was 65.A new resident orders 54% oxygen via the venturi mask.One hour later,after the oxygen was placed,the nurse finds the patient with no respiration or pulse.She calls for a Code Blue and begins cardiopulmonary resuscitation (CPR).Explain why the patient stopped breathing.

Accepted Answer

In people who retain carbon dioxide beca

Question 5

Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli.

Accepted Answer

A) True 
 B)False

Question 6

Which of the choices below is NOT a factor that promotes oxygen binding to and dissociation from hemoglobin?

Accepted Answer

A)  number of red blood cells 
B)  temperature 
C)  partial pressure of oxygen 
D)  partial pressure of carbon dioxide 
A)  number of red blood cells 
B)  temperature 
C)  partial pressure of oxygen 
D)  partial pressure of carbon dioxide

Question 7

The contraction of the diaphragm and the external intercostal muscles begins inspiration.Explain exactly what happens,in terms of volume and pressure changes in the lungs,when these muscles contract.

Accepted Answer

With contraction of the diaphragm,the he

Question 8

Figure 22.2
Using Figure 22.2, match the following:
-Air that does not participate in the exchange of gases.

Accepted Answer

A) B 
B) D 
C) C 
D) A 
A) B 
B) D 
C) C 
D) A

Question 9

Match the following:
-Composed of cuboidal cells.

Accepted Answer

A) Alveolar duct 
B) Segmental (tertiary) bronchi 
C) Type I alveolar cells 
D) Respiratory bronchioles 
E) Type II alveolar cells 
A) Alveolar duct 
B) Segmental (tertiary) bronchi 
C) Type I alveolar cells 
D) Respiratory bronchioles 
E) Type II alveolar cells

Question 10

Match the following:
-Where the respiratory zone of the lungs begins.

Accepted Answer

A) Alveolar duct 
B) Segmental (tertiary) bronchi 
C) Type I alveolar cells 
D) Respiratory bronchioles 
E) Type II alveolar cells 
A) Alveolar duct 
B) Segmental (tertiary) bronchi 
C) Type I alveolar cells 
D) Respiratory bronchioles 
E) Type II alveolar cells

Question 11

Which respiratory-associated muscles would contract or relax during forced expiration,for example blowing up a balloon?

Accepted Answer

A)  external intercostals would contract and diaphragm would relax 
B)  internal intercostals and abdominal muscles would contract 
C)  diaphragm contracts, internal intercostals would relax 
D)  diaphragm would contract, external intercostals would relax 
A)  external intercostals would contract and diaphragm would relax 
B)  internal intercostals and abdominal muscles would contract 
C)  diaphragm contracts, internal intercostals would relax 
D)  diaphragm would contract, external intercostals would relax

Question 12

Select the correct statement about the neural mechanisms of respiratory control.

Accepted Answer

A)  The pons is thought to be instrumental in the smooth transition from inspiration to expiration. 
B)  The dorsal respiratory group neurons depolarize in a rhythmic way to establish the pattern of breathing. 
C)  The ventral respiratory group is contained within the pons. 
D)  The pontine respirator group (PRG) continuously stimulates the medulla to provide inspiratory drive. 
A)  The pons is thought to be instrumental in the smooth transition from inspiration to expiration. 
B)  The dorsal respiratory group neurons depolarize in a rhythmic way to establish the pattern of breathing. 
C)  The ventral respiratory group is contained within the pons. 
D)  The pontine respirator group (PRG) continuously stimulates the medulla to provide inspiratory drive.

Question 13

The paired lungs occupy the mediastinum of the thoracic cavity.

Accepted Answer

A) True 
 B)False

Question 14

Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by ________.

Accepted Answer

A)  active transport 
B)  filtration 
C)  diffusion 
D)  osmosis 
A)  active transport 
B)  filtration 
C)  diffusion 
D)  osmosis

Question 15

Match the following:
-TV + IRV + ERV.

Accepted Answer

A) Inspiratory capacity 
B) Total lung capacity 
C) Vital capacity 
D) Functional residual capacity 
A) Inspiratory capacity 
B) Total lung capacity 
C) Vital capacity 
D) Functional residual capacity

Question 16

According to the oxygen-hemoglobin dissociation curve,PO2 in the lungs of 100 mm Hg results in Hb being 98% saturated.At high altitude,there is less O2.At a PO2 in the lungs of 80 mm Hg,Hb would be ________ saturated.

Accepted Answer

A)  98% 
B)  less than 50% 
C)  100% 
D)  95% 
A)  98% 
B)  less than 50% 
C)  100% 
D)  95%

Question 17

Inspiratory capacity is ________.

Accepted Answer

A)  air inspired after a tidal inhalation 
B)  functional residual capacity 
C)  the total amount of exchangeable air 
D)  the total amount of air that can be inspired after a tidal expiration 
A)  air inspired after a tidal inhalation 
B)  functional residual capacity 
C)  the total amount of exchangeable air 
D)  the total amount of air that can be inspired after a tidal expiration

Question 18

The main site of gas exchange is the ________.

Accepted Answer

A)  alveolar duct 
B)  respiratory bronchiole 
C)  alveoli 
D)  alveolar sacs 
A)  alveolar duct 
B)  respiratory bronchiole 
C)  alveoli 
D)  alveolar sacs

Question 19

Match the following:
-Composed of simple squamous epithelium.

Accepted Answer

A) Alveolar duct 
B) Segmental (tertiary) bronchi 
C) Type I alveolar cells 
D) Respiratory bronchioles 
E) Type II alveolar cells 
A) Alveolar duct 
B) Segmental (tertiary) bronchi 
C) Type I alveolar cells 
D) Respiratory bronchioles 
E) Type II alveolar cells

Question 20

Using spirometry,a patient discovers their forced expiratory volume (FEV)after the first second is 40%.What does this suggest?

Accepted Answer

A)  exposure to asbestos 
B)  restrictive disease 
C)  obstructive pulmonary disease 
D)  healthy lungs 
A)  exposure to asbestos 
B)  restrictive disease 
C)  obstructive pulmonary disease 
D)  healthy lungs

Exam 22: The Respiratory System

A patient with tuberculosis is often noncompliant with treatment.Explain why this may happen.

The nose serves all of the following functions EXCEPT ________.

Figure 22.1 Using Figure 22.1, match the following: -Trachea.

Intrapleural pressure is normally about 4 mm Hg less than the pressure in the alveoli.

Which of the choices below is NOT a factor that promotes oxygen binding to and dissociation from hemoglobin?

The contraction of the diaphragm and the external intercostal muscles begins inspiration.Explain exactly what happens,in terms of volume and pressure changes in the lungs,when these muscles contract.

Figure 22.2 Using Figure 22.2, match the following: -Air that does not participate in the exchange of gases.

Match the following: -Composed of cuboidal cells.

Match the following: -Where the respiratory zone of the lungs begins.

Which respiratory-associated muscles would contract or relax during forced expiration,for example blowing up a balloon?

Select the correct statement about the neural mechanisms of respiratory control.

The paired lungs occupy the mediastinum of the thoracic cavity.

Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by ________.

Match the following: -TV + IRV + ERV.

According to the oxygen-hemoglobin dissociation curve,PO2 in the lungs of 100 mm Hg results in Hb being 98% saturated.At high altitude,there is less O2.At a PO2 in the lungs of 80 mm Hg,Hb would be ________ saturated.

Inspiratory capacity is ________.

The main site of gas exchange is the ________.

Match the following: -Composed of simple squamous epithelium.

Using spirometry,a patient discovers their forced expiratory volume (FEV)after the first second is 40%.What does this suggest?

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

Filters

According to the oxygen-hemoglobin dissociation curve,PO₂ in the lungs of 100 mm Hg results in Hb being 98% saturated.At high altitude,there is less O₂.At a PO₂ in the lungs of 80 mm Hg,Hb would be ________ saturated.