Question 1

-Label A represents which structure(s)?

Accepted Answer

A) bronchus 
B) larynx 
C) esophagus 
D) trachea 
E) pharynx 
A) bronchus 
B) larynx 
C) esophagus 
D) trachea 
E) pharynx C

Question 2

The following is a list of some of the structures of the respiratory tree: 1.secondary bronchi
2.tertiary bronchi
3.bronchioles
4.primary bronchi
The order in which air passes through these structures beginning at the trachea is

Accepted Answer

A) 4,1,2,3. 
B) 3,2,1,4. 
C) 2,3,1,4. 
D) 4,1,3,2. 
E) 1,2,3,4. 
A) 4,1,2,3. 
B) 3,2,1,4. 
C) 2,3,1,4. 
D) 4,1,3,2. 
E) 1,2,3,4. A

Question 3

-Label K represents which structure(s)?

Accepted Answer

A) trachea 
B) smallest bronchioles 
C) bronchus 
D) alveoli 
E) bronchioles 
A) trachea 
B) smallest bronchioles 
C) bronchus 
D) alveoli 
E) bronchioles D

Question 4

As the volume of the lungs increases,

Accepted Answer

A) the DRG respiratory center is gradually stimulated,and the VRG respiratory center is inhibited. 
B) the DRG and VRG respiratory centers are stimulated. 
C) the DRG and VRG respiratory centers are inhibited. 
D) the DRG respiratory center is gradually inhibited and the VRG expiratory center is stimulated. 
E) the deflation reflex occurs. 
A) the DRG respiratory center is gradually stimulated,and the VRG respiratory center is inhibited. 
B) the DRG and VRG respiratory centers are stimulated. 
C) the DRG and VRG respiratory centers are inhibited. 
D) the DRG respiratory center is gradually inhibited and the VRG expiratory center is stimulated. 
E) the deflation reflex occurs.

Question 5

The respiratory surfaces of the nasal cavity are cleared by mucus produced in part by which of the following?

Accepted Answer

A) external nares 
B) paranasal sinuses 
C) soft palate 
D) nasal vestibule 
E) nasopharynx 
A) external nares 
B) paranasal sinuses 
C) soft palate 
D) nasal vestibule 
E) nasopharynx

Question 6

-Label G represents which structure(s)?

Accepted Answer

A) larynx 
B) trachea 
C) pharynx 
D) bronchus 
E) bronchioles 
A) larynx 
B) trachea 
C) pharynx 
D) bronchus 
E) bronchioles

Question 7

The respiratory mucosa is made up of

Accepted Answer

A) dense irregular connective tissue. 
B) squamous epithelium. 
C) ciliated cuboidal epithelium. 
D) ciliated columnar epithelium. 
E) dense regular connective tissue. 
A) dense irregular connective tissue. 
B) squamous epithelium. 
C) ciliated cuboidal epithelium. 
D) ciliated columnar epithelium. 
E) dense regular connective tissue.

Question 8

Together,the inflation and deflation reflexes are known as the ________ reflexes.

Accepted Answer

A) red herring 
B) Hering-Breuer 
C) Breuer-Shipley 
D) chemoreceptor 
E) vagal 
A) red herring 
B) Hering-Breuer 
C) Breuer-Shipley 
D) chemoreceptor 
E) vagal

Question 9

The respiratory rate is

Accepted Answer

A) higher in adults than in children. 
B) roughly 20-30 breaths per minute for toddlers. 
C) the movement of about 500 ml of air per breath at rest. 
D) the number of breaths per hour. 
E) needed to calculate residual volume. 
A) higher in adults than in children. 
B) roughly 20-30 breaths per minute for toddlers. 
C) the movement of about 500 ml of air per breath at rest. 
D) the number of breaths per hour. 
E) needed to calculate residual volume.

Question 10

Forced breathing during exhalation involves contraction of the internal intercostal muscles and the

Accepted Answer

A) scalenes. 
B) diaphragm. 
C) abdominal muscles. 
D) external intercostals. 
E) serratus anterior. 
A) scalenes. 
B) diaphragm. 
C) abdominal muscles. 
D) external intercostals. 
E) serratus anterior.

Question 11

Which statement regarding carbon dioxide transport in the blood is true?

Accepted Answer

A) The chloride shift occurs when Cl- moves out of RBCs in exchange for HCO3-. 
B) HCO3- dissociates into CO2 and O2. 
C) 25% is converted to H2CO3 by carbonic anhydrase. 
D) H2CO3 dissociates into H+ and HCO3-. 
E) 93% remains dissolved in plasma as CO2. 
A) The chloride shift occurs when Cl- moves out of RBCs in exchange for HCO3-. 
B) HCO3- dissociates into CO2 and O2. 
C) 25% is converted to H2CO3 by carbonic anhydrase. 
D) H2CO3 dissociates into H+ and HCO3-. 
E) 93% remains dissolved in plasma as CO2.

Question 12

The term ________ refers to an increase in the PCO2 of arterial blood.

Accepted Answer

A) hyperventilation 
B) hypoventilation 
C) hypocapnia 
D) hypercapnia 
E) hypoglycemia 
A) hyperventilation 
B) hypoventilation 
C) hypocapnia 
D) hypercapnia 
E) hypoglycemia

Question 13

Functions of the respiratory system include

Accepted Answer

A) protecting respiratory surfaces from dehydration and temperature changes. 
B) producing leukocytes needed to defend against invading pathogens. 
C) generating neurotransmitters essential to the neural control of respiration. 
D) providing erythrocytes,especially during times of increased oxygen demand. 
E) melanin synthesis and utilization to shield alveoli from environmental hazards. 
A) protecting respiratory surfaces from dehydration and temperature changes. 
B) producing leukocytes needed to defend against invading pathogens. 
C) generating neurotransmitters essential to the neural control of respiration. 
D) providing erythrocytes,especially during times of increased oxygen demand. 
E) melanin synthesis and utilization to shield alveoli from environmental hazards.

Question 14

-Label C represents which structure(s)?

Accepted Answer

A) nose 
B) nasal cavity 
C) pharynx 
D) sinuses 
E) larynx 
A) nose 
B) nasal cavity 
C) pharynx 
D) sinuses 
E) larynx

Question 15

Active tissues receive approximately ________ as much O2 as inactive tissues.

Accepted Answer

A) 2 times 
B) 3 times 
C) 5 times 
D) 10 times 
E) 100 times 
A) 2 times 
B) 3 times 
C) 5 times 
D) 10 times 
E) 100 times

Question 16

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

Accepted Answer

A) pneumonia 
B) pneumothorax 
C) cystic fibrosis 
D) pleurisy 
E) emphysema 
A) pneumonia 
B) pneumothorax 
C) cystic fibrosis 
D) pleurisy 
E) emphysema

Question 17

When a patient has low compliance,it is no reference to her adhering to hospital policy,rather

Accepted Answer

A) she may suffer from pneumonia. 
B) she may have an overproduction of surfactant. 
C) she may have alveolar damage. 
D) she may have lower energy demands while breathing. 
E) she may be diagnosed with chronic epistaxis. 
A) she may suffer from pneumonia. 
B) she may have an overproduction of surfactant. 
C) she may have alveolar damage. 
D) she may have lower energy demands while breathing. 
E) she may be diagnosed with chronic epistaxis.

Question 18

Receptors in the medulla oblongata respond to which variables?

Accepted Answer

A) pH and PCO2 in CSF 
B) pH and PCO2 in blood 
C) PO2 and pH in blood 
D) pH and PO2 in CSF 
E) pH and PN2 in CSF 
A) pH and PCO2 in CSF 
B) pH and PCO2 in blood 
C) PO2 and pH in blood 
D) pH and PO2 in CSF 
E) pH and PN2 in CSF

Question 19

Which of the following is defined as the maximum amount of air that can be moved into and out of the respiratory system in a single respiratory cycle?

Accepted Answer

A) vital capacity 
B) inspiratory reserve volume 
C) tidal volume 
D) expiratory reserve volume 
E) residual volume 
A) vital capacity 
B) inspiratory reserve volume 
C) tidal volume 
D) expiratory reserve volume 
E) residual volume

Question 20

Which structure extends posteriorly from the hard palate and is inferior to the nasopharynx?

Accepted Answer

A) larynx 
B) vestibule 
C) soft palate 
D) external nares 
E) internal nares 
A) larynx 
B) vestibule 
C) soft palate 
D) external nares 
E) internal nares

-Label A represents which structure(s)?

The following is a list of some of the structures of the respiratory tree: 1.secondary bronchi 2.tertiary bronchi 3.bronchioles 4.primary bronchi The order in which air passes through these structures beginning at the trachea is

-Label K represents which structure(s)?

As the volume of the lungs increases,

The respiratory surfaces of the nasal cavity are cleared by mucus produced in part by which of the following?

-Label G represents which structure(s)?

The respiratory mucosa is made up of

Together,the inflation and deflation reflexes are known as the ________ reflexes.

The respiratory rate is

Forced breathing during exhalation involves contraction of the internal intercostal muscles and the

Which statement regarding carbon dioxide transport in the blood is true?

The term ________ refers to an increase in the PCO₂ of arterial blood.

Functions of the respiratory system include

-Label C represents which structure(s)?

Active tissues receive approximately ________ as much O₂ as inactive tissues.

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

When a patient has low compliance,it is no reference to her adhering to hospital policy,rather

Receptors in the medulla oblongata respond to which variables?

Which of the following is defined as the maximum amount of air that can be moved into and out of the respiratory system in a single respiratory cycle?

Which structure extends posteriorly from the hard palate and is inferior to the nasopharynx?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

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Exam 15: The Respiratory System

-Label A represents which structure(s)?

The following is a list of some of the structures of the respiratory tree: 1.secondary bronchi 2.tertiary bronchi 3.bronchioles 4.primary bronchi The order in which air passes through these structures beginning at the trachea is

-Label K represents which structure(s)?

As the volume of the lungs increases,

The respiratory surfaces of the nasal cavity are cleared by mucus produced in part by which of the following?

-Label G represents which structure(s)?

The respiratory mucosa is made up of

Together,the inflation and deflation reflexes are known as the ________ reflexes.

The respiratory rate is

Forced breathing during exhalation involves contraction of the internal intercostal muscles and the

Which statement regarding carbon dioxide transport in the blood is true?

The term ________ refers to an increase in the PCO2 of arterial blood.

Functions of the respiratory system include

-Label C represents which structure(s)?

Active tissues receive approximately ________ as much O2 as inactive tissues.

Which of the following is described as an inflammation of the pulmonary lobules that typically results from infection?

When a patient has low compliance,it is no reference to her adhering to hospital policy,rather

Receptors in the medulla oblongata respond to which variables?

Which of the following is defined as the maximum amount of air that can be moved into and out of the respiratory system in a single respiratory cycle?

Which structure extends posteriorly from the hard palate and is inferior to the nasopharynx?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters

The term ________ refers to an increase in the PCO₂ of arterial blood.

Active tissues receive approximately ________ as much O₂ as inactive tissues.