Question 1

What structure connects the larynx to the primary bronchi?

Accepted Answer

A)  Trachea
B)  Pharynx
C)  Esophagus
D)  Bronchioles
E)  Alveolar ductsF) A) and B)
G) A) and C)

Question 2

-In this close-up image of a lung,what structure does number 2 indicate?

Accepted Answer

A)  Respiratory bronchiole
B)  Alveolar duct
C)  Alveolus
D)  Terminal bronchiole
E)  BronchioleF) B) and D)
G) A) and C)

Question 3

The typical cell making up the alveolar wall is the

Accepted Answer

A)  alveolar type II cell.
B)  alveolar type I cell.
C)  alveolar macrophages.
D)  dust cells.
E)  septal cell.F) None of the above
G) B) and E)

Question 4

During embryonic development,the conducting portion of the respiratory system develops by the _____ week.

Accepted Answer

A)  4th
B)  6th
C)  10th
D)  12th
E)  16thF) A) and B)
G) A) and C)

Question 5

-In this sagittal section showing the upper respiratory tract,what structure does number 4 indicate?

Accepted Answer

A)  Uvula
B)  Soft palate
C)  Hard palate
D)  Nasal conchae
E)  EpiglottisF) D) and E)
G) C) and D)

Question 6

Which is not located in the medulla oblongata?

Accepted Answer

A)  Ventral respiratory group
B)  Dorsal respiratory group
C)  Pneumotaxic group
D)  None of the choices is located in the medulla oblongata.
E)  Two of the choices are not located in the medulla oblongata.F) A) and B)
G) A) and C)

Question 7

Following an automobile accident,a broken rib penetrates into the pleural cavity causing air to accumulate in the space between the visceral and parietal pleura.What condition is this?

Accepted Answer

A)  Pneumothorax
B)  Atelectasis
C)  Tension hemothorax
D)  Hemothorax
E)  Cystic fibrosisF) D) and E)
G) A) and C)

Question 8

The exchange of oxygen and carbon dioxide between the air and blood in the lungs is called

Accepted Answer

A)  ventilation.
B)  systemic respiration.
C)  internal respiration.
D)  external respiration.
E)  cellular respiration.F) C) and D)
G) A) and B)

Question 9

You may have noticed that after a large meal you have had some difficulty breathing.Which explanation is most accurate with regard to this situation?

Accepted Answer

A)  The food presses on the bronchi making air flow difficult.
B)  The large quantity of food retards pulmonary blood flow.
C)  Oxygen to the lungs is restricted due to fullness in the stomach.
D)  A full stomach impedes contraction of the diaphragm,limiting inhalation.
E)  It's just difficult to fill the lungs since blood-filled oxygen is flowing primarily to the stomach.F) None of the above
G) C) and E)

Question 10

During the development of the respiratory system,the vasculature,muscle,and cartilage of each lung form from

Accepted Answer

A)  ectoderm.
B)  mesoderm.
C)  endoderm.D) All of the above
E) A) and C)

Question 11

What structure is also known as the "voice box"?

Accepted Answer

A)  Larynx
B)  Pharynx
C)  Esophagus
D)  Bronchus
E)  TracheaF) B) and D)
G) C) and E)

Question 12

Which is not a regulatory center for respiration?

Accepted Answer

A)  Apneustic center
B)  Pulmonary center
C)  Pneumotaxic center
D)  Respiratory rhythmicity centerE) All of the above
F) C) and D)

Question 13

Foreign particles that are not filtered out by the respiratory epithelium are

Accepted Answer

A)  dissolved by enzymes in the alveoli.
B)  coughed up during normal daily activities.
C)  collected by lymph nodes.
D)  carried away in blood.
E)  stored in nearby pulmonary alcoves.F) A) and E)
G) D) and E)

Question 14

These muscles extend from a superior rib inferomedially to the adjacent inferior rib.They elevate the ribs upon contraction,thereby increasing the transverse dimensions of the thoracic cavity during inhalation.

Accepted Answer

A)  External intercostals
B)  Scalenes
C)  Transversus thoracis
D)  Internal intercostals
E)  Serratus posterior inferiorF) None of the above
G) B) and C)

Question 15

-In this sagittal section showing the upper respiratory tract,what number indicates the epiglottis?

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) None of the above
G) A) and E)

Question 16

Into what region of the pharynx do auditory tubes open?

Accepted Answer

A)  Oropharynx
B)  Nasopharynx
C)  LaryngopharynxD) All of the above
E) B) and C) B

Question 17

Contraction of these muscles depresses the ribs,but only during forced exhalation.

Accepted Answer

A)  External intercostals
B)  Scalenes
C)  Transversus thoracis
D)  Internal intercostals
E)  Serratus posterior inferiorF) D) and E)
G) A) and E) D

Question 18

What connects the pharynx to the trachea?

Accepted Answer

A)  Esophagus
B)  Bronchi
C)  Alveolar ducts
D)  Larynx
E)  Nasal cavityF) All of the above
G) B) and E) D

Question 19

Primitive alveoli begin to develop profusely in the embryo around the

Accepted Answer

A)  8th week.
B)  18th week.
C)  28th week.
D)  time of birth.E) A) and D)
F) A) and C)

Question 20

Following an automobile accident a piece of metal penetrates into the pleural cavity causing a large gaping hole with resulting lung collapse.What condition is this?

Accepted Answer

A)  Pneumothorax
B)  Bronchitis
C)  Tension pneumothorax
D)  Hemothorax
E)  Cystic fibrosisF) None of the above
G) A) and C)

Exam 25: Respiratory System

What structure connects the larynx to the primary bronchi?

Correct AnswerverifiedShow Answer

-In this close-up image of a lung,what structure does number 2 indicate?

Correct AnswerverifiedShow Answer

The typical cell making up the alveolar wall is the

Correct AnswerverifiedShow Answer

During embryonic development,the conducting portion of the respiratory system develops by the _____ week.

Correct AnswerverifiedShow Answer

-In this sagittal section showing the upper respiratory tract,what structure does number 4 indicate?

Correct AnswerverifiedShow Answer

Which is not located in the medulla oblongata?

Correct AnswerverifiedShow Answer

Following an automobile accident,a broken rib penetrates into the pleural cavity causing air to accumulate in the space between the visceral and parietal pleura.What condition is this?

Correct AnswerverifiedShow Answer

The exchange of oxygen and carbon dioxide between the air and blood in the lungs is called

Correct AnswerverifiedShow Answer

You may have noticed that after a large meal you have had some difficulty breathing.Which explanation is most accurate with regard to this situation?

Correct AnswerverifiedShow Answer

During the development of the respiratory system,the vasculature,muscle,and cartilage of each lung form from

Correct AnswerverifiedShow Answer

What structure is also known as the "voice box"?

Correct AnswerverifiedShow Answer

Which is not a regulatory center for respiration?

Correct AnswerverifiedShow Answer

Foreign particles that are not filtered out by the respiratory epithelium are

Correct AnswerverifiedShow Answer

These muscles extend from a superior rib inferomedially to the adjacent inferior rib.They elevate the ribs upon contraction,thereby increasing the transverse dimensions of the thoracic cavity during inhalation.

Correct AnswerverifiedShow Answer

-In this sagittal section showing the upper respiratory tract,what number indicates the epiglottis?

Correct AnswerverifiedShow Answer

Into what region of the pharynx do auditory tubes open?

Correct AnswerverifiedB

Contraction of these muscles depresses the ribs,but only during forced exhalation.

Correct AnswerverifiedD

What connects the pharynx to the trachea?

Correct AnswerverifiedD

Primitive alveoli begin to develop profusely in the embryo around the

Correct AnswerverifiedShow Answer

Following an automobile accident a piece of metal penetrates into the pleural cavity causing a large gaping hole with resulting lung collapse.What condition is this?

Correct AnswerverifiedShow Answer

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D

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