Question 1

Hypocapnia will lead to which of the following conditions?

Accepted Answer

A)   Hypoventilation due to acidosis
B)   Hypoventilation due to alkalosis
C)   Hyperventilation due to acidosis
D)   Hyperventilation due to alkalosisE) A) and D)
F) B) and D)

Question 2

According to the Bohr effect,a low level of oxyhemoglobin enables the blood to transport more CO2.

Accepted Answer

A) True 
 B)False

Question 3

In a healthy person,which of the following will have the greatest influence on resistance to pulmonary airflow?

Accepted Answer

A)   Atmospheric pressure
B)   Respiratory rate
C)   Bronchiole diameter
D)   Quantity of surfactant
E)   Contraction of the diaphragmF) A) and C)
G) C) and E)

Question 4

Which bronchus is about 5cm long and slightly narrower and more horizontal than the one on the opposite side?

Accepted Answer

A)   Left segmental bronchus
B)   Right segmental bronchus
C)   Right lobar bronchus
D)   Left main bronchus
E)   Right main bronchusF) A) and C)
G) All of the above

Question 5

In one passage through a bed of systemic blood capillaries,the blood gives up about what percentage of its oxygen?

Accepted Answer

A)   5% to 10%
B)   10% to 15%
C)   20% to 25%
D)   30% to 40%
E)   70% to 85%F) D) and E)
G) A) and B)

Question 6

Respiratory arrest is an irreversible condition.

Accepted Answer

A) True 
 B)False

Question 7

Blood banks dispose of blood that has low levels of bisphosphoglycerate.What would be the probable reason for doing so?

Accepted Answer

A)   A low BPG level causes acidosis of blood.
B)   Erythrocytes low in BPG do not unload CO2 very well.
C)   Erythrocytes low in BPG do not unload O2 very well.
D)   Erythrocytes low in BPG do not load O2 very well.
E)   A decline in BPG level is accompanied by a decline in hemoglobin level.F) B) and C)
G) B) and D)

Question 8

If one inspires through their nose,which of the following answers has the correct order of structures the air would move through?

Accepted Answer

A)   Nares → Vestibule → Nasal Cavity → Nasopharynx → Oropharynx → Laryngopharynx → Larynx → Trachea → Primary Bronchus → Secondary Bronchus → Tertiary Bronchus → Bronchiole → Terminal Bronchiole → Respiratory Bronchiole → Alveolar Duct → Alveolar Sac → Alveolus
B)   Nares → Nasal Cavity → Vestibule → Nasopharynx → Oropharynx → Laryngopharynx → Larynx → Trachea → Primary Bronchus → Secondary Bronchus → Tertiary Bronchus → Bronchiole → Terminal Bronchiole → Respiratory Bronchiole → Alveolar Duct → Alveolar Sac → Alveolus
C)   Nares → Vestibule → Nasal Cavity → Nasopharynx → Oropharynx → Laryngopharynx → Larynx → Trachea → Bronchiole → Respiratory Bronchiole → Terminal Bronchiole → Primary Bronchus → Secondary Bronchus → Tertiary Bronchus → Alveolar Duct → Alveolar Sac → Alveolus
D)   Nares → Nasal Cavity → Vestibule → Nasopharynx → Oropharynx → Laryngopharynx → Larynx → Trachea → Primary Bronchus → Secondary Bronchus → Tertiary Bronchus → Bronchiole → Respiratory Bronchiole → Terminal Bronchiole → Alveolar Duct → Alveolar Sac → AlveolusE) A) and D)
F) A) and C)

Question 9

After the terminal bronchi air enters the alveoli next.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following has no effect on oxyhemoglobin dissociation?

Accepted Answer

A)   Epinephrine
B)   Fever
C)   Thyroid hormone
D)   Low pH
E)   Erythrocyte countF) C) and D)
G) A) and D)

Question 11

The upper respiratory tract extends from the nose through the _________.

Accepted Answer

A)   trachea
B)   pharynx
C)   larynx
D)   alveoli
E)   lungsF) A) and B)
G) A) and C)

Question 12

Crude sounds are formed into intelligible speech by all of the following except the _________.

Accepted Answer

A)   pharynx
B)   epiglottis
C)   oral cavity
D)   tongue
E)   lipsF) B) and C)
G) B) and E)

Question 13

Which of the following issues output to the VRG to adjust the respiratory rhythm?

Accepted Answer

A)   DRG
B)   PRG
C)   NRG
D)   SRGE) B) and C)
F) A) and C)

Question 14

Which of the following cartilages is largest?

Accepted Answer

A)   Corniculate cartilage
B)   Epiglottic cartilage
C)   Thyroid cartilage
D)   Cricoid cartilage
E)   Arytenoid cartilageF) B) and D)
G) B) and E)

Question 15

Which two ligaments extend from the thyroid cartilage to the arytenoid cartilages?

Accepted Answer

A)   Vestibular and vocal
B)   Laryngeal and corniculate
C)   Corniculate and cricoid
D)   Cricoid and arytenoid
E)   Thyrohyoid and cricoidsF) B) and E)
G) A) and E)

Question 16

Which of the following would slow down gas exchange between the blood and alveolar air?

Accepted Answer

A)   An increase in membrane thickness
B)   An increase in alveolar surface area
C)   An increase in respiratory rate
D)   A decrease in membrane thickness
E)   A decrease in nitrogen solubilityF) A) and D)
G) A) and E)

Exam 22: The Respiratory System

Which of the following cartilages is largest?

Correct Answer
verified

Respiratory arrest is an irreversible condition.

Correct Answer
verified

Blood banks dispose of blood that has low levels of bisphosphoglycerate.What would be the probable reason for doing so?

Correct Answer
verified

According to the Bohr effect,a low level of oxyhemoglobin enables the blood to transport more CO₂.

Correct Answer
verified

In one passage through a bed of systemic blood capillaries,the blood gives up about what percentage of its oxygen?

Correct Answer
verified

If one inspires through their nose,which of the following answers has the correct order of structures the air would move through?

Correct Answer
verified

Hypocapnia will lead to which of the following conditions?

Correct Answer
verified

In a healthy person,which of the following will have the greatest influence on resistance to pulmonary airflow?

Correct Answer
verified

Which two ligaments extend from the thyroid cartilage to the arytenoid cartilages?

Correct Answer
verified

Crude sounds are formed into intelligible speech by all of the following except the _________.

Correct Answer
verified

The upper respiratory tract extends from the nose through the _________.

Correct Answer
verified

Which of the following has no effect on oxyhemoglobin dissociation?

Correct Answer
verified

Which of the following issues output to the VRG to adjust the respiratory rhythm?

Correct Answer
verified

Which of the following would slow down gas exchange between the blood and alveolar air?

Correct Answer
verified

After the terminal bronchi air enters the alveoli next.

Correct Answer
verified

Which bronchus is about 5cm long and slightly narrower and more horizontal than the one on the opposite side?

Correct Answer
verified

Exam 22: The Respiratory System

Which of the following cartilages is largest?

Correct AnswerverifiedShow Answer

Respiratory arrest is an irreversible condition.

Correct AnswerverifiedShow Answer

Blood banks dispose of blood that has low levels of bisphosphoglycerate.What would be the probable reason for doing so?

Correct AnswerverifiedShow Answer

According to the Bohr effect,a low level of oxyhemoglobin enables the blood to transport more CO2.

Correct AnswerverifiedShow Answer

In one passage through a bed of systemic blood capillaries,the blood gives up about what percentage of its oxygen?

Correct AnswerverifiedShow Answer

If one inspires through their nose,which of the following answers has the correct order of structures the air would move through?

Correct AnswerverifiedShow Answer

Hypocapnia will lead to which of the following conditions?

Correct AnswerverifiedShow Answer

In a healthy person,which of the following will have the greatest influence on resistance to pulmonary airflow?

Correct AnswerverifiedShow Answer

Which two ligaments extend from the thyroid cartilage to the arytenoid cartilages?

Correct AnswerverifiedShow Answer

Crude sounds are formed into intelligible speech by all of the following except the _________.

Correct AnswerverifiedShow Answer

The upper respiratory tract extends from the nose through the _________.

Correct AnswerverifiedShow Answer

Which of the following has no effect on oxyhemoglobin dissociation?

Correct AnswerverifiedShow Answer

Which of the following issues output to the VRG to adjust the respiratory rhythm?

Correct AnswerverifiedShow Answer

Which of the following would slow down gas exchange between the blood and alveolar air?

Correct AnswerverifiedShow Answer

After the terminal bronchi air enters the alveoli next.

Correct AnswerverifiedShow Answer

Which bronchus is about 5cm long and slightly narrower and more horizontal than the one on the opposite side?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

According to the Bohr effect,a low level of oxyhemoglobin enables the blood to transport more CO₂.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified