Question 1

Rhythmicity of breathing involves

Accepted Answer

A) conscious effort and control. 
B) stimulation of inspiration.Expiration is automatic. 
C) pontine respiratory group as a necessary part. 
D) a set pattern of inspiration - expiration that is always the same. 
E) the pre-Bötzinger complex of the ventral respiratory group. 
A) conscious effort and control. 
B) stimulation of inspiration.Expiration is automatic. 
C) pontine respiratory group as a necessary part. 
D) a set pattern of inspiration - expiration that is always the same. 
E) the pre-Bötzinger complex of the ventral respiratory group.

Question 2

The trachea

Accepted Answer

A) is located in the pleural cavity. 
B) has "C" shaped cartilages that form its anterior and lateral sides. 
C) is lined with keratinized squamous epithelium. 
D) bifurcates to form the bronchioles. 
E) collapses when not in use. 
A) is located in the pleural cavity. 
B) has "C" shaped cartilages that form its anterior and lateral sides. 
C) is lined with keratinized squamous epithelium. 
D) bifurcates to form the bronchioles. 
E) collapses when not in use.

Question 3

Match the term with the appropriate description or definition.
-residual volume "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 4

Each lobe of each lung is supplied by a

Accepted Answer

A) primary bronchus. 
B) secondary bronchus. 
C) tertiary bronchus. 
D) bronchiole. 
E) segmental bronchus. 
A) primary bronchus. 
B) secondary bronchus. 
C) tertiary bronchus. 
D) bronchiole. 
E) segmental bronchus.

Question 5

When people aspirate liquids or food into their lungs,the liquid or food most commonly enters the right lung rather than the left lung.This is because the right primary bronchus is __________ than the left primary bronchus.

Accepted Answer

A) longer 
B) thinner 
C) more vertical 
D) less ciliated 
E) shorter 
A) longer 
B) thinner 
C) more vertical 
D) less ciliated 
E) shorter

Question 6

What is the volume of air that can be forcibly expired after expiration of the tidal volume?

Accepted Answer

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

Question 7

The highest level of exercise that can be performed without causing a significant change in blood pH is called the

Accepted Answer

A) Hering-Breuer reflex. 
B) aerobic threshold. 
C) anaerobic threshold. 
D) lactic acid tolerance level. 
A) Hering-Breuer reflex. 
B) aerobic threshold. 
C) anaerobic threshold. 
D) lactic acid tolerance level.

Question 8

The nasal septum

Accepted Answer

A) divides the nose into superior and inferior chambers. 
B) forms the floor of the nasal cavity. 
C) is the opening of the nose to the outside environment. 
D) is the part of the nose responsible for the sense of smell. 
E) divides the nose into right and left chambers. 
A) divides the nose into superior and inferior chambers. 
B) forms the floor of the nasal cavity. 
C) is the opening of the nose to the outside environment. 
D) is the part of the nose responsible for the sense of smell. 
E) divides the nose into right and left chambers.

Question 9

The ring of cartilage that forms the base of the larynx is the

Accepted Answer

A) epiglottis. 
B) thyroid cartilage. 
C) cricoid cartilage. 
D) arytenoid cartilage. 
E) cuneiform cartilage. 
A) epiglottis. 
B) thyroid cartilage. 
C) cricoid cartilage. 
D) arytenoid cartilage. 
E) cuneiform cartilage.

Question 10

Arrange the following structures in the order air passes through them during inhalation: (1)alveolar ducts
(2)alveolus
(3)respiratory bronchiole
(4)terminal bronchiole

Accepted Answer

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

Question 11

Match the disorder of the respiratory system with the best description.
-decrease in body temperature

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

Whose law explains why a gas will move from one area to another area?

Accepted Answer

A) Dalton's Law 
B) Henry's Law 
C) Charles Law 
D) Boyle's Law 
A) Dalton's Law 
B) Henry's Law 
C) Charles Law 
D) Boyle's Law

Question 13

Most oxygen is carried in the blood ______; but most carbon dioxide is ________.

Accepted Answer

A) dissolved in plasma; associated with salt or acid 
B) bound to hemoglobin; associated with bicarbonate ions in the plasma 
C) combined with albumin; associated with carbonic acid 
D) bound to hemoglobin; bound to albumin 
E) bound to plasma proteins; carried as carbon dioxide 
A) dissolved in plasma; associated with salt or acid 
B) bound to hemoglobin; associated with bicarbonate ions in the plasma 
C) combined with albumin; associated with carbonic acid 
D) bound to hemoglobin; bound to albumin 
E) bound to plasma proteins; carried as carbon dioxide

Question 14

Expiration during quiet breathing

Accepted Answer

A) is an active process. 
B) requires more muscle contractions than inspiration. 
C) is due to contraction of the diaphragm and elevation of the ribs. 
D) occurs when the diaphragm and external intercostal muscles relax. 
E) is not affected by the elastic properties of the lungs. 
A) is an active process. 
B) requires more muscle contractions than inspiration. 
C) is due to contraction of the diaphragm and elevation of the ribs. 
D) occurs when the diaphragm and external intercostal muscles relax. 
E) is not affected by the elastic properties of the lungs.

Question 15

A baby holding its breath will

Accepted Answer

A) be termed a "blue baby". 
B) have brain cells damaged because of low blood oxygen levels. 
C) suffer heart damage because of increased pressure in the aorta. 
D) automatically start to breathe when the CO2 levels in the blood reach a high enough value. 
E) automatically start to breathe when oxygen levels decrease slightly. 
A) be termed a "blue baby". 
B) have brain cells damaged because of low blood oxygen levels. 
C) suffer heart damage because of increased pressure in the aorta. 
D) automatically start to breathe when the CO2 levels in the blood reach a high enough value. 
E) automatically start to breathe when oxygen levels decrease slightly.

Question 16

Use the table to determine the best answer.
    
-Which of the patients above might have a depression of the respiratory center due to drugs?

Accepted Answer

The answer of Use the table to determine the best...

Question 17

Oxygen and carbon dioxide are exchanged across the respiratory membrane by the process of

Accepted Answer

A) active transport. 
B) diffusion. 
C) filtration. 
D) osmosis. 
E) cotransport. 
A) active transport. 
B) diffusion. 
C) filtration. 
D) osmosis. 
E) cotransport.

Question 18

Which of the following statements regarding the lungs is correct?

Accepted Answer

A) The left lung is larger than the right lung. 
B) The left lung contains two lobes while the right lung contains three lobes. 
C) The left lung has more bronchopulmonary segments than the right lung. 
D) Only the right lung has a hilum. 
E) The left lung contains three lobes while the right lung contains two lobes. 
A) The left lung is larger than the right lung. 
B) The left lung contains two lobes while the right lung contains three lobes. 
C) The left lung has more bronchopulmonary segments than the right lung. 
D) Only the right lung has a hilum. 
E) The left lung contains three lobes while the right lung contains two lobes.

Question 19

Arrange the following in order from highest to lowest PO2. (1)PO2 of pulmonary veins
(2)PO2 of pulmonary artery
(3)PO2 of alveolar air

Accepted Answer

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

Question 20

Which of the following structures opens directly into the nasal cavity?

Accepted Answer

A) paranasal sinuses 
B) auditory tubes 
C) lacrimal glands 
D) fauces 
E) epiglottis 
A) paranasal sinuses 
B) auditory tubes 
C) lacrimal glands 
D) fauces 
E) epiglottis

Exam 23: Respiratory System

Rhythmicity of breathing involves

The trachea

Match the term with the appropriate description or definition. -residual volume "Enter the letter of the correct description below"

Each lobe of each lung is supplied by a

When people aspirate liquids or food into their lungs,the liquid or food most commonly enters the right lung rather than the left lung.This is because the right primary bronchus is __________ than the left primary bronchus.

What is the volume of air that can be forcibly expired after expiration of the tidal volume?

The highest level of exercise that can be performed without causing a significant change in blood pH is called the

The nasal septum

The ring of cartilage that forms the base of the larynx is the

Arrange the following structures in the order air passes through them during inhalation: (1)alveolar ducts (2)alveolus (3)respiratory bronchiole (4)terminal bronchiole

Match the disorder of the respiratory system with the best description. -decrease in body temperature

Whose law explains why a gas will move from one area to another area?

Most oxygen is carried in the blood ______; but most carbon dioxide is ________.

Expiration during quiet breathing

A baby holding its breath will

Use the table to determine the best answer. -Which of the patients above might have a depression of the respiratory center due to drugs?

Oxygen and carbon dioxide are exchanged across the respiratory membrane by the process of

Which of the following statements regarding the lungs is correct?

Arrange the following in order from highest to lowest PO2. (1)PO2 of pulmonary veins (2)PO2 of pulmonary artery (3)PO2 of alveolar air

Which of the following structures opens directly into the nasal cavity?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

Filters

Most oxygen is carried in the blood ; but most carbon dioxide is __.

Arrange the following in order from highest to lowest PO₂. (1)PO₂ of pulmonary veins (2)PO₂ of pulmonary artery (3)PO₂ of alveolar air