Question 1

Prolonged inspirations can result from stimulating the ________ center.

Accepted Answer

A)  apneustic 
B)  pneumotaxic 
C)  expiratory 
D)  baroreceptor 
E)  chemoreceptor 
A)  apneustic 
B)  pneumotaxic 
C)  expiratory 
D)  baroreceptor 
E)  chemoreceptor

Question 2

Primary bronchi enter their respective lungs along with pulmonary vessels, nerves, and lymphatics at whichregion?

Accepted Answer

A)  base 
B)  apex 
C)  hilum 
D)  cardiac notch 
E)  superior lobe 
A)  base 
B)  apex 
C)  hilum 
D)  cardiac notch 
E)  superior lobe

Question 3

The process by which dissolved gases are exchanged between the cells and interstitial fluids is

Accepted Answer

A)  pulmonary ventilation. 
B)  external respiration. 
C)  internal respiration. 
D)  cellular respiration. 
E)  breathing. 
A)  pulmonary ventilation. 
B)  external respiration. 
C)  internal respiration. 
D)  cellular respiration. 
E)  breathing.

Question 4

The Hering-Breuer reflex

Accepted Answer

A)  functions to increase ventilation with changes in blood pressure. 
B)  alters pulmonary ventilation when the PO2 changes. 
C)  alters pulmonary ventilation when the PCO2 changes. 
D)  protects the lungs from damage due to overinflation. 
E)  is an important aspect of normal, quiet breathing. 
A)  functions to increase ventilation with changes in blood pressure. 
B)  alters pulmonary ventilation when the PO2 changes. 
C)  alters pulmonary ventilation when the PCO2 changes. 
D)  protects the lungs from damage due to overinflation. 
E)  is an important aspect of normal, quiet breathing.

Question 5

Most of the oxygen transported by the blood is

Accepted Answer

A)  dissolved in plasma. 
B)  bound to hemoglobin. 
C)  in ionic form as solute in the plasma. 
D)  bound to the same protein as carbon dioxide. 
E)  carried by white blood cells. 
A)  dissolved in plasma. 
B)  bound to hemoglobin. 
C)  in ionic form as solute in the plasma. 
D)  bound to the same protein as carbon dioxide. 
E)  carried by white blood cells.

Question 6

The larynx, trachea, bronchi, and bronchioles all make up the

Accepted Answer

A)  upper respiratory tract. 
B)  lower respiratory tract. 
C)  internal respiratory tract. 
D)  alveoli of the respiratory tract. 
E)  respiratory mucosa. 
A)  upper respiratory tract. 
B)  lower respiratory tract. 
C)  internal respiratory tract. 
D)  alveoli of the respiratory tract. 
E)  respiratory mucosa.

Question 7

The conchae

Accepted Answer

A)  divide the nasal cavity into a right and a left side. 
B)  provide an opening into the pharynx. 
C)  provide a increase in surface area for the sense of smell. 
D)  create turbulence in the air to trap particulate matter in mucus. 
E)  provide an opening to paranasal sinuses. 
A)  divide the nasal cavity into a right and a left side. 
B)  provide an opening into the pharynx. 
C)  provide a increase in surface area for the sense of smell. 
D)  create turbulence in the air to trap particulate matter in mucus. 
E)  provide an opening to paranasal sinuses.

Question 8

________ is the most common lethal inherited disease affecting individuals of Northern European descent.

Accepted Answer

A)  MRSA 
B)  Congestive heart failure 
C)  Cystic fibrosis 
D)  Myasthenia gravis 
E)  Parkinson's disease 
A)  MRSA 
B)  Congestive heart failure 
C)  Cystic fibrosis 
D)  Myasthenia gravis 
E)  Parkinson's disease

Question 9

________ is the amount of air that you can inhale above the resting tidal volume.

Accepted Answer

A)  Residual inhaled volume 
B)  Expiratory reserve volume 
C)  Inspiratory reserve volume 
D)  Enhanced tidal volume 
E)  Inspiratory capacity 
A)  Residual inhaled volume 
B)  Expiratory reserve volume 
C)  Inspiratory reserve volume 
D)  Enhanced tidal volume 
E)  Inspiratory capacity

Question 10

Figure 23-1 The Upper Airways
  
Use Figure 23-1 to answer the following questions:
-Identify the structure labeled "7."

Accepted Answer

A)  internal nares 
B)  esophagus 
C)  glottis 
D)  oropharynx 
E)  laryngopharynx 
A)  internal nares 
B)  esophagus 
C)  glottis 
D)  oropharynx 
E)  laryngopharynx

Question 11

The largest cartilage of the larynx is the ________ cartilage.

Accepted Answer

A)  thyroid 
B)  cricoid 
C)  cuneiform 
D)  arytenoid 
E)  epiglottic 
A)  thyroid 
B)  cricoid 
C)  cuneiform 
D)  arytenoid 
E)  epiglottic

Question 12

The laryngeal cartilage which is not composed of hyaline cartilage is the

Accepted Answer

A)  arytenoid. 
B)  corniculate. 
C)  cricoid. 
D)  epiglottis. 
E)  thyroid. 
A)  arytenoid. 
B)  corniculate. 
C)  cricoid. 
D)  epiglottis. 
E)  thyroid.

Question 13

Tina is singing a song. At a certain point in the song, she forces a large volume of air out of the glottisand at the same time increases the tension on her vocal cords. The sound that she produces is

Accepted Answer

A)  low pitched and loud. 
B)  high pitched and loud. 
C)  low pitched and soft. 
D)  high pitched and soft. 
E)  medium pitched and soft. 
A)  low pitched and loud. 
B)  high pitched and loud. 
C)  low pitched and soft. 
D)  high pitched and soft. 
E)  medium pitched and soft.

Question 14

At a PO2 of 70 mm Hg and normal temperature and pH, hemoglobin is ________ percent saturated with oxygen.

Accepted Answer

A)  10 
B)  25 
C)  50 
D)  75 
E)  more than 90 
A)  10 
B)  25 
C)  50 
D)  75 
E)  more than 90

Question 15

The C shape of the tracheal cartilages is important because

Accepted Answer

A)  large masses of food can move through the esophagus. 
B)  large masses of air can pass through the trachea and thus the bronchi. 
C)  it facilitates turning of the head. 
D)  the bronchi are also C-shaped. 
E)  it permits the trachea to pinch shut prior to sneezing. 
A)  large masses of food can move through the esophagus. 
B)  large masses of air can pass through the trachea and thus the bronchi. 
C)  it facilitates turning of the head. 
D)  the bronchi are also C-shaped. 
E)  it permits the trachea to pinch shut prior to sneezing.

Question 16

________ is the amount of air that moves into the respiratory system during a single respiratory cycle.

Accepted Answer

A)  Residual volume 
B)  Expiratory reserve volume 
C)  Inspiratory reserve volume 
D)  Tidal volume 
E)  Inspiratory capacity 
A)  Residual volume 
B)  Expiratory reserve volume 
C)  Inspiratory reserve volume 
D)  Tidal volume 
E)  Inspiratory capacity

Question 17

The right lung is to ________ as the left lung is to ________.

Accepted Answer

A)  three lobes; two lobes 
B)  two lobes; two lobes 
C)  two lobes; three lobes 
D)  three lobes; three lobes 
E)  four lobes; three lobes 
A)  three lobes; two lobes 
B)  two lobes; two lobes 
C)  two lobes; three lobes 
D)  three lobes; three lobes 
E)  four lobes; three lobes

Question 18

Each 100 ml of blood leaving the alveolar capillaries carries away roughly ________ ml of oxygen.

Accepted Answer

A)  10 
B)  20 
C)  30 
D)  50 
E)  75 
A)  10 
B)  20 
C)  30 
D)  50 
E)  75

Question 19

The larynx contains ________ cartilages.

Accepted Answer

A)  14 
B)  6 
C)  9 
D)  2 
E)  5 
A)  14 
B)  6 
C)  9 
D)  2 
E)  5

Question 20

Lung tissue receives oxygen and nutrients from the

Accepted Answer

A)  pleural arteries. 
B)  pulmonary arteries. 
C)  pulmonary veins. 
D)  coronary arteries. 
E)  bronchial arteries. 
A)  pleural arteries. 
B)  pulmonary arteries. 
C)  pulmonary veins. 
D)  coronary arteries. 
E)  bronchial arteries.

Exam 23: The Respiratory System

Prolonged inspirations can result from stimulating the ________ center.

Primary bronchi enter their respective lungs along with pulmonary vessels, nerves, and lymphatics at whichregion?

The process by which dissolved gases are exchanged between the cells and interstitial fluids is

The Hering-Breuer reflex

Most of the oxygen transported by the blood is

The larynx, trachea, bronchi, and bronchioles all make up the

The conchae

________ is the most common lethal inherited disease affecting individuals of Northern European descent.

________ is the amount of air that you can inhale above the resting tidal volume.

Figure 23-1 The Upper Airways Use Figure 23-1 to answer the following questions: -Identify the structure labeled "7."

The largest cartilage of the larynx is the ________ cartilage.

The laryngeal cartilage which is not composed of hyaline cartilage is the

Tina is singing a song. At a certain point in the song, she forces a large volume of air out of the glottisand at the same time increases the tension on her vocal cords. The sound that she produces is

At a PO2 of 70 mm Hg and normal temperature and pH, hemoglobin is ________ percent saturated with oxygen.

The C shape of the tracheal cartilages is important because

________ is the amount of air that moves into the respiratory system during a single respiratory cycle.

The right lung is to ________ as the left lung is to ________.

Each 100 ml of blood leaving the alveolar capillaries carries away roughly ________ ml of oxygen.

The larynx contains ________ cartilages.

Lung tissue receives oxygen and nutrients from the

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

The right lung is to as the left lung is to .