Question 1

What factors are responsible for the decrease in the volume of the alveoli?

Accepted Answer

A) compliance and lung recoil 
B) lung recoil and surface tension of water 
C) compliance and surface tension of water 
D) perfusion and lung recoil 
A) compliance and lung recoil 
B) lung recoil and surface tension of water 
C) compliance and surface tension of water 
D) perfusion and lung recoil

Question 2

Surfactant facilitates alveolar ventilation by

Accepted Answer

A) decreasing the surface tension between water molecules on the lining of the alveoli. 
B) decreasing thoracic compliance. 
C) attracting water to the alveolar surface. 
D) increasing the surface area for gas exchange. 
E) increases the surface tension between fluid and the alveoli. 
A) decreasing the surface tension between water molecules on the lining of the alveoli. 
B) decreasing thoracic compliance. 
C) attracting water to the alveolar surface. 
D) increasing the surface area for gas exchange. 
E) increases the surface tension between fluid and the alveoli.

Question 3

Apnea is the slowing of respiration as occurs during sleep.

Accepted Answer

A) True 
 B)False

Question 4

The portion of the pharynx that extends from the internal nares to the level of the uvula is the

Accepted Answer

A) glottis. 
B) nasopharynx. 
C) oropharynx. 
D) laryngopharynx. 
E) glottopharynx. 
A) glottis. 
B) nasopharynx. 
C) oropharynx. 
D) laryngopharynx. 
E) glottopharynx.

Question 5

Mr.Jones has a blood pH of 7.00 and a temperature of 100.5$\degree$F.His oxygen-hemoglobin dissociation curve would

Accepted Answer

A) shift to the right,causing more O2 to be released to his cells. 
B) shift to the left,allowing less O2 to be released to his cells. 
C) show no change,allowing the O2 concentration to remain stable. 
A) shift to the right,causing more O2 to be released to his cells. 
B) shift to the left,allowing less O2 to be released to his cells. 
C) show no change,allowing the O2 concentration to remain stable.

Question 6

The walls of the alveoli

Accepted Answer

A) are composed of simple squamous epithelium. 
B) contain several layers of smooth muscle. 
C) contain goblet cells. 
D) are surrounded by cartilage. 
E) are ciliated. 
A) are composed of simple squamous epithelium. 
B) contain several layers of smooth muscle. 
C) contain goblet cells. 
D) are surrounded by cartilage. 
E) are ciliated.

Question 7

Which of the following individuals will have the highest vital capacity?

Accepted Answer

A) a well-trained athlete (male or female) 
B) a middle-aged,short female 
C) an 80-year-old male 
D) a young,obese male 
E) an adult female 
A) a well-trained athlete (male or female) 
B) a middle-aged,short female 
C) an 80-year-old male 
D) a young,obese male 
E) an adult female

Question 8

Match the disorder of the respiratory system with the best description.
-increase in pH

Accepted Answer

A) destruction of the alveolar walls 
B) inflammation of the bronchii 
C) inherited disease that affects secretory cells lining the lungs 
D) replacement of lung tissue with fibrous connective tissue 
E) infant stops breathing during sleep 
A) destruction of the alveolar walls 
B) inflammation of the bronchii 
C) inherited disease that affects secretory cells lining the lungs 
D) replacement of lung tissue with fibrous connective tissue 
E) infant stops breathing during sleep

Question 9

Which of the following molecules acts as a buffer during the chloride shift?

Accepted Answer

A) carbon dioxide 
B) hemoglobin 
C) carbonic anhydrase 
D) water 
E) bicarbonate ion 
A) carbon dioxide 
B) hemoglobin 
C) carbonic anhydrase 
D) water 
E) bicarbonate ion

Question 10

The chemosensitive area of the brain is located in the

Accepted Answer

A) pons. 
B) cerebral peduncles. 
C) cerebellum. 
D) hypothalamus. 
E) medulla oblongata. 
A) pons. 
B) cerebral peduncles. 
C) cerebellum. 
D) hypothalamus. 
E) medulla oblongata.

Question 11

Match the disorder of the respiratory system with the best description.
-decrease in carbon dioxide

Accepted Answer

A) destruction of the alveolar walls 
B) inflammation of the bronchii 
C) inherited disease that affects secretory cells lining the lungs 
D) replacement of lung tissue with fibrous connective tissue 
E) infant stops breathing during sleep 
A) destruction of the alveolar walls 
B) inflammation of the bronchii 
C) inherited disease that affects secretory cells lining the lungs 
D) replacement of lung tissue with fibrous connective tissue 
E) infant stops breathing during sleep

Question 12

Match the term with the appropriate description or definition.
-total lung capacity "Enter the letter of the correct description below"

Accepted Answer

A) sum of the inspiratory reserve,expiratory reserve,tidal,and residual volumes 
B) volume of air inspired during a normal inspiration 
C) volume of air remaining in lungs after the most forceful expiration 
D) sum of the expiratory reserve,inspiratory reserve,and tidal volumes 
E) the amount of air that can be forcefully expired after expiration of the normal tidal volume 
A) sum of the inspiratory reserve,expiratory reserve,tidal,and residual volumes 
B) volume of air inspired during a normal inspiration 
C) volume of air remaining in lungs after the most forceful expiration 
D) sum of the expiratory reserve,inspiratory reserve,and tidal volumes 
E) the amount of air that can be forcefully expired after expiration of the normal tidal volume

Question 13

Gas exchange between the air in the lungs and the blood takes place in the

Accepted Answer

A) alveoli. 
B) primary bronchi. 
C) terminal bronchioles. 
D) trachea. 
E) respiratory bronchi. 
A) alveoli. 
B) primary bronchi. 
C) terminal bronchioles. 
D) trachea. 
E) respiratory bronchi.

Question 14

The lungs have

Accepted Answer

A) one blood flow route and one lymphatic supply. 
B) two blood flow routes and one lymphatic supply. 
C) one blood flow route and two lymphatic supplies. 
D) two blood flow routes and two lymphatic supplies. 
E) three blood flow routes and one lymphatic supply. 
A) one blood flow route and one lymphatic supply. 
B) two blood flow routes and one lymphatic supply. 
C) one blood flow route and two lymphatic supplies. 
D) two blood flow routes and two lymphatic supplies. 
E) three blood flow routes and one lymphatic supply.

Question 15

Increasing ventilation will increase the PO2 and decrease the PCO2,which promotes gas exchange.

Accepted Answer

A) True 
 B)False

Question 16

The Hering-Breuer reflex

Accepted Answer

A) causes erratic respirations. 
B) helps prevent overinflation of the lungs. 
C) has its sensory components in the sympathetic nerves. 
D) is a normal response to increased oxygen content in the blood. 
E) limits how much air a person can expire. 
A) causes erratic respirations. 
B) helps prevent overinflation of the lungs. 
C) has its sensory components in the sympathetic nerves. 
D) is a normal response to increased oxygen content in the blood. 
E) limits how much air a person can expire.

Question 17

A person has severe damage or disease in the upper area of their right lung.Surgery is necessary.The doctor would need to remove

Accepted Answer

A) the entire right lung. 
B) the superior lobe of the right lung. 
C) the apical bronchopulmonary segment of the right lung. 
D) only the damaged area of the apical bronchopulmonary segment. 
E) the apical,anterior,and posterior segments of the superior lobe. 
A) the entire right lung. 
B) the superior lobe of the right lung. 
C) the apical bronchopulmonary segment of the right lung. 
D) only the damaged area of the apical bronchopulmonary segment. 
E) the apical,anterior,and posterior segments of the superior lobe.

Question 18

The respiratory zone of the tracheobronchial tree includes which of the following?

Accepted Answer

A) trachea 
B) alveoli 
C) primary bronchi 
D) larynx 
E) tertiary bronchi 
A) trachea 
B) alveoli 
C) primary bronchi 
D) larynx 
E) tertiary bronchi

Question 19

During expiration,the alveolar pressure must be

Accepted Answer

A) greater than atmospheric pressure. 
B) less than atmospheric pressure. 
C) equal to atmospheric pressure. 
D) greater than pleural pressure. 
E) None of these choices is correct. 
A) greater than atmospheric pressure. 
B) less than atmospheric pressure. 
C) equal to atmospheric pressure. 
D) greater than pleural pressure. 
E) None of these choices is correct.

Question 20

A decrease in the surface area of the respiratory membrane will cause the diffusion rate to

Accepted Answer

A) increase. 
B) decrease. 
C) remain unchanged. 
A) increase. 
B) decrease. 
C) remain unchanged.

Exam 23: Respiratory System

What factors are responsible for the decrease in the volume of the alveoli?

Surfactant facilitates alveolar ventilation by

Apnea is the slowing of respiration as occurs during sleep.

The portion of the pharynx that extends from the internal nares to the level of the uvula is the

Mr.Jones has a blood pH of 7.00 and a temperature of 100.5 °\degree° F.His oxygen-hemoglobin dissociation curve would

The walls of the alveoli

Which of the following individuals will have the highest vital capacity?

Match the disorder of the respiratory system with the best description. -increase in pH

Which of the following molecules acts as a buffer during the chloride shift?

The chemosensitive area of the brain is located in the

Match the disorder of the respiratory system with the best description. -decrease in carbon dioxide

Match the term with the appropriate description or definition. -total lung capacity "Enter the letter of the correct description below"

Gas exchange between the air in the lungs and the blood takes place in the

The lungs have

Increasing ventilation will increase the PO2 and decrease the PCO2,which promotes gas exchange.

The Hering-Breuer reflex

A person has severe damage or disease in the upper area of their right lung.Surgery is necessary.The doctor would need to remove

The respiratory zone of the tracheobronchial tree includes which of the following?

During expiration,the alveolar pressure must be

A decrease in the surface area of the respiratory membrane will cause the diffusion rate to

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Mr.Jones has a blood pH of 7.00 and a temperature of 100.5 $\degree$ F.His oxygen-hemoglobin dissociation curve would

Increasing ventilation will increase the PO₂ and decrease the PCO₂,which promotes gas exchange.