Question 1

Diaphragmatic breathing is deep breathing involving movement of the ribcage, while costal breathing is shallow breathing involving movement of the abdomen.

Accepted Answer

A) True 
 B)False

Question 2

Yawning is a modified respiratory movement that

Accepted Answer

A) involves relaxation of the external intercostal muscles. 
B) involves contraction of the abdominal muscles. 
C) is stimulated by irritation of the nasal mucosa. 
D) involves spasmodic closure of the larynx. 
E) involves a smooth extended contraction of the diaphragm. 
A) involves relaxation of the external intercostal muscles. 
B) involves contraction of the abdominal muscles. 
C) is stimulated by irritation of the nasal mucosa. 
D) involves spasmodic closure of the larynx. 
E) involves a smooth extended contraction of the diaphragm.

Question 3

Why is the left lung about 10% smaller than the right lung?

Accepted Answer

A) The stomach is found on the left side of the body and pushes up against the diaphragm. 
B) The large blood vessels like the vena cavae and aorta take up more space on the left side. 
C) The majority of the mass of the heart is found on the left side. 
D) The right side of the body does more work so it needs more air. 
E) The thymus gland takes up more space on the left side. 
A) The stomach is found on the left side of the body and pushes up against the diaphragm. 
B) The large blood vessels like the vena cavae and aorta take up more space on the left side. 
C) The majority of the mass of the heart is found on the left side. 
D) The right side of the body does more work so it needs more air. 
E) The thymus gland takes up more space on the left side.

Question 4

Approximately how much of the total CO2 in the blood is carried as bicarbonate?

Accepted Answer

A) less than 40% 
B) 50% 
C) 60% 
D) 70% 
E) 90% 
A) less than 40% 
B) 50% 
C) 60% 
D) 70% 
E) 90%

Question 5

Which of the following affect the release of oxygen from hemoglobin?

Accepted Answer

A) partial pressure of oxygen 
B) temperature 
C) acidity 
D) carbon dioxide in the tissue 
E) all of the choices are correct 
A) partial pressure of oxygen 
B) temperature 
C) acidity 
D) carbon dioxide in the tissue 
E) all of the choices are correct

Question 6

The _____ of the respiratory system consists of a series of interconnecting cavities and tubes both outside and within the lungs that filter, warm, and moisten air and conduct air into the lungs.

Accepted Answer

A) conducting zone 
B) dorsal respiratory group 
C) orbitofrontal cortex 
D) respiratory zone 
E) ossification center 
A) conducting zone 
B) dorsal respiratory group 
C) orbitofrontal cortex 
D) respiratory zone 
E) ossification center

Question 7

The middle portion of the pharynx is the nasopharynx.

Accepted Answer

A) True 
 B)False

Question 8

In the neck, the trachea is located lateral to the esophagus.

Accepted Answer

A) True 
 B)False

Question 9

The transport of respiratory gases between the lungs and body tissues is a function of the blood.

Accepted Answer

A) True 
 B)False

Question 10

Respiration rates are mainly controlled by the medulla oblongata and

Accepted Answer

A) midbrain, in response to changes in the amount of O2 in the arterial blood. 
B) pons, in response to changes in the amount of CO2 in the arterial blood. 
C) midbrain, in response to changes in the amount of CO2 in the arterial blood. 
D) pons, in response to changes in the amount of O2 in the arterial blood. 
E) hypothalamus, in response to changes in the amount of O2 in the arterial blood. 
A) midbrain, in response to changes in the amount of O2 in the arterial blood. 
B) pons, in response to changes in the amount of CO2 in the arterial blood. 
C) midbrain, in response to changes in the amount of CO2 in the arterial blood. 
D) pons, in response to changes in the amount of O2 in the arterial blood. 
E) hypothalamus, in response to changes in the amount of O2 in the arterial blood.

Question 11

Which of the following is a part of the upper respiratory system?

Accepted Answer

A) lungs 
B) bronchi 
C) trachea 
D) pharynx 
E) larynx 
A) lungs 
B) bronchi 
C) trachea 
D) pharynx 
E) larynx

Question 12

The record of pulmonary volumes and capacities produced using a spirometer is called a spirogram.

Accepted Answer

A) True 
 B)False

Question 13

The vital capacity of the respiratory system can decrease by as much as _____ by the age 70.

Accepted Answer

A) 15% 
B) 25% 
C) 35% 
D) 50% 
E) 65% 
A) 15% 
B) 25% 
C) 35% 
D) 50% 
E) 65%

Question 14

The nasal cavity is lined with

Accepted Answer

A) stratified columnar epithelium 
B) transitional epithelium 
C) ciliated pseudostratified columnar epithelium 
D) simple squamous epithelium 
E) simple ciliated cuboidal epithelium 
A) stratified columnar epithelium 
B) transitional epithelium 
C) ciliated pseudostratified columnar epithelium 
D) simple squamous epithelium 
E) simple ciliated cuboidal epithelium

Question 15

A disorder of the respiratory system characterized by the destruction of the alveolar walls is called

Accepted Answer

A) chronic bronchitis 
B) emphysema 
C) pleurisy 
D) asthma 
E) tuberculosis 
A) chronic bronchitis 
B) emphysema 
C) pleurisy 
D) asthma 
E) tuberculosis

Question 16

Which of the following does NOT belong to the conducting zone of the respiratory system?

Accepted Answer

A) respiratory bronchioles 
B) terminal bronchioles 
C) bronchi 
D) nose 
E) pharynx 
A) respiratory bronchioles 
B) terminal bronchioles 
C) bronchi 
D) nose 
E) pharynx

Question 17

Which of the following is NOT a typical respiratory system change observed as the result of aging?

Accepted Answer

A) alveoli become less elastic 
B) decreased activity of alveolar macrophages 
C) increased ciliary activity of epithelial cells lining upper respiratory system 
D) chest wall becomes more rigid 
E) decreased blood oxygen levels 
A) alveoli become less elastic 
B) decreased activity of alveolar macrophages 
C) increased ciliary activity of epithelial cells lining upper respiratory system 
D) chest wall becomes more rigid 
E) decreased blood oxygen levels

Question 18

Which of the following changes would lead to an increase in the rate and depth of breathing?

Accepted Answer

A) decreased carbon monoxide in the venous blood 
B) increased h+ and carbon dioxide in the cerebrospinal fluid 
C) decreased bicarbonate in the arterial blood 
D) increased oxygen in the arterial blood 
E) decreased carbonic acid in the venous blood 
A) decreased carbon monoxide in the venous blood 
B) increased h+ and carbon dioxide in the cerebrospinal fluid 
C) decreased bicarbonate in the arterial blood 
D) increased oxygen in the arterial blood 
E) decreased carbonic acid in the venous blood

Question 19

Describe how the dorsal respiratory group (inspiratory area)of the medullary respiratory center is able to control both inspiration and expiration during normal quiet breathing.

Accepted Answer

During quiet inspiration, the inspirator

Question 20

Which of the following are components of the respiratory zone of the lower respiratory system?

Accepted Answer

A) larynx 
B) trachea 
C) terminal bronchioles 
D) alveolar ducts 
E) both terminal bronchioles and alveolar ducts 
A) larynx 
B) trachea 
C) terminal bronchioles 
D) alveolar ducts 
E) both terminal bronchioles and alveolar ducts

Exam 18: The Respiratory System

Diaphragmatic breathing is deep breathing involving movement of the ribcage, while costal breathing is shallow breathing involving movement of the abdomen.

Yawning is a modified respiratory movement that

Why is the left lung about 10% smaller than the right lung?

Approximately how much of the total CO2 in the blood is carried as bicarbonate?

Which of the following affect the release of oxygen from hemoglobin?

The _____ of the respiratory system consists of a series of interconnecting cavities and tubes both outside and within the lungs that filter, warm, and moisten air and conduct air into the lungs.

The middle portion of the pharynx is the nasopharynx.

In the neck, the trachea is located lateral to the esophagus.

The transport of respiratory gases between the lungs and body tissues is a function of the blood.

Respiration rates are mainly controlled by the medulla oblongata and

Which of the following is a part of the upper respiratory system?

The record of pulmonary volumes and capacities produced using a spirometer is called a spirogram.

The vital capacity of the respiratory system can decrease by as much as _____ by the age 70.

The nasal cavity is lined with

A disorder of the respiratory system characterized by the destruction of the alveolar walls is called

Which of the following does NOT belong to the conducting zone of the respiratory system?

Which of the following is NOT a typical respiratory system change observed as the result of aging?

Which of the following changes would lead to an increase in the rate and depth of breathing?

Describe how the dorsal respiratory group (inspiratory area)of the medullary respiratory center is able to control both inspiration and expiration during normal quiet breathing.

Which of the following are components of the respiratory zone of the lower respiratory system?

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Approximately how much of the total CO₂ in the blood is carried as bicarbonate?