Question 1

Which of the following is FALSE regarding the diaphragm?

Accepted Answer

A)  It is skeletal muscle. 
B)  It receives innervation from the phrenic nerves. 
C)  In the relaxed state, the diaphragm moves inferiorly and flattens out. 
D)  When contracted, it increases the vertical diameter of the thoracic cavity. 
A)  It is skeletal muscle. 
B)  It receives innervation from the phrenic nerves. 
C)  In the relaxed state, the diaphragm moves inferiorly and flattens out. 
D)  When contracted, it increases the vertical diameter of the thoracic cavity.

Question 2

Cilia in the lower respiratory tract beat so as to move mucus and trapped dust in a superior direction.

Accepted Answer

A) True 
 B)False

Question 3

The upper respiratory system includes all of the following EXCEPT:

Accepted Answer

A)  pharynx. 
B)  nose. 
C)  trachea. 
D)  all of these choices 
A)  pharynx. 
B)  nose. 
C)  trachea. 
D)  all of these choices

Question 4

The horizontal fissure is superior to the middle lobe of the right lung.

Accepted Answer

A) True 
 B)False

Question 5

The anterior portion of the nasal cavity is called the choanae.

Accepted Answer

A) True 
 B)False

Question 6

The _____ area in the _____ of the brain controls the basic rate of pulmonary ventilation.

Accepted Answer

A)  pneumotaxic; pons 
B)  apneustic; midbrain 
C)  medullary rhythmicity; medulla oblongata 
D)  apneustic; thalamus 
A)  pneumotaxic; pons 
B)  apneustic; midbrain 
C)  medullary rhythmicity; medulla oblongata 
D)  apneustic; thalamus

Question 7

As a molecule of oxygen passes from alveolar air into the blood it passes through the layers of the respiratory membrane in what order? 
1) epithelial basement membrane
2) capillary basement membrane
3) alveolar epithelial wall
4) capillary endothelial wall

Accepted Answer

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

Question 8

Chemoreceptors are very sensitive to changes in CO2 concentration in the blood. Increased CO2 levels result in messages to the respiratory center to decrease the rate and depth of ventilation.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second is false. 
D)  The second statement is true; the first is false. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second is false. 
D)  The second statement is true; the first is false.

Question 9

The base of a lung is

Accepted Answer

A)  the inferior surface. 
B)  concave. 
C)  just superior to the diaphragm. 
D)  all of these choices 
A)  the inferior surface. 
B)  concave. 
C)  just superior to the diaphragm. 
D)  all of these choices

Question 10

A bony landmark that identifies the point at which the trachea gives rise to primary bronchi is the _____.

Accepted Answer

A)  suprasternal notch 
B)  level of first rib 
C)  superior border of the fifth thoracic vertebra 
D)  sternoclavicular joint 
A)  suprasternal notch 
B)  level of first rib 
C)  superior border of the fifth thoracic vertebra 
D)  sternoclavicular joint

Question 11

"Adam's apple"is the common name for the cricoid cartilage of the larynx.

Accepted Answer

A) True 
 B)False

Question 12

__________ branch off the aorta and bring oxygen rich blood to the lungs.

Accepted Answer

A)  Coronary arteries 
B)  Pulmonary arteries 
C)  Bronchial arteries 
D)  Pulmonary veins 
A)  Coronary arteries 
B)  Pulmonary arteries 
C)  Bronchial arteries 
D)  Pulmonary veins

Question 13

Describe the route traveled by a molecule of oxygen in inhaled (inspired) air from the time it enters the right external naris (nostril) until it reaches an alveolus in the apex of the left lung.

Accepted Answer

Described route should include: vestibul

Question 14

Compared to the left lung, the right lung

Accepted Answer

A)  is broader. 
B)  is shorter. 
C)  has one more lobe. 
D)  all of these choices 
A)  is broader. 
B)  is shorter. 
C)  has one more lobe. 
D)  all of these choices

Question 15

The two processes of pulmonary ventilation (breathing) are internal (tissue) respiration and external (pulmonary) respiration.

Accepted Answer

A) True 
 B)False

Question 16

Infants born before _____ weeks are severely at risk for respiratory distress syndrome (RDS) due to lack of sufficient surfactant in alveoli.

Accepted Answer

A)  26-28 
B)  28-30 
C)  32-34 
D)  34-36 
A)  26-28 
B)  28-30 
C)  32-34 
D)  34-36

Question 17

The _____ is/are the first portion(s) of the respiratory tract to enter lung tissue.

Accepted Answer

A)  trachea 
B)  primary bronchi 
C)  secondary (lobar) bronchi 
D)  tertiary (segmental) bronchi 
A)  trachea 
B)  primary bronchi 
C)  secondary (lobar) bronchi 
D)  tertiary (segmental) bronchi

Question 18

Each tertiary bronchus supplies a region of a lung called a/an _____.

Accepted Answer

A)  bronchopulmonary segment 
B)  lobule 
C)  lobe 
D)  alveolar sac 
A)  bronchopulmonary segment 
B)  lobule 
C)  lobe 
D)  alveolar sac

Question 19

The two types of alveolar epithelial cells are alveolar macrophages (dust cells) and Type II alveolar (septal) cells.

Accepted Answer

A) True 
 B)False

Question 20

The paired laryngeal cartilages that, along with intrinsic pharyngeal muscles, move the vocal folds (true vocal cords) in speech production are the _____ cartilages.

Accepted Answer

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

Exam 23: The Respiratory System

Which of the following is FALSE regarding the diaphragm?

Cilia in the lower respiratory tract beat so as to move mucus and trapped dust in a superior direction.

The upper respiratory system includes all of the following EXCEPT:

The horizontal fissure is superior to the middle lobe of the right lung.

The anterior portion of the nasal cavity is called the choanae.

The _____ area in the _____ of the brain controls the basic rate of pulmonary ventilation.

As a molecule of oxygen passes from alveolar air into the blood it passes through the layers of the respiratory membrane in what order? 1) epithelial basement membrane 2) capillary basement membrane 3) alveolar epithelial wall 4) capillary endothelial wall

Chemoreceptors are very sensitive to changes in CO2 concentration in the blood. Increased CO2 levels result in messages to the respiratory center to decrease the rate and depth of ventilation.

The base of a lung is

A bony landmark that identifies the point at which the trachea gives rise to primary bronchi is the _____.

"Adam's apple"is the common name for the cricoid cartilage of the larynx.

__________ branch off the aorta and bring oxygen rich blood to the lungs.

Describe the route traveled by a molecule of oxygen in inhaled (inspired) air from the time it enters the right external naris (nostril) until it reaches an alveolus in the apex of the left lung.

Compared to the left lung, the right lung

The two processes of pulmonary ventilation (breathing) are internal (tissue) respiration and external (pulmonary) respiration.

Infants born before _____ weeks are severely at risk for respiratory distress syndrome (RDS) due to lack of sufficient surfactant in alveoli.

The _____ is/are the first portion(s) of the respiratory tract to enter lung tissue.

Each tertiary bronchus supplies a region of a lung called a/an _____.

The two types of alveolar epithelial cells are alveolar macrophages (dust cells) and Type II alveolar (septal) cells.

The paired laryngeal cartilages that, along with intrinsic pharyngeal muscles, move the vocal folds (true vocal cords) in speech production are the _____ cartilages.

An Introduction to the Human Body

Cells

Tissues

Development

The Integumentary System

Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic Lymphoid System and Immunity

Nervous Tissue

The Spinal Cord and the Spinal Nerves

The Brain and the Cranial Nerves

The Autonomic Nervous System

Somatic Senses and Motor Control

Special Senses

The Endocrine System

The Digestive System

The Urinary System

The Reproductive Systems

Surface Anatomy

Filters

The _ area in the _ of the brain controls the basic rate of pulmonary ventilation.

Chemoreceptors are very sensitive to changes in CO₂ concentration in the blood. Increased CO₂ levels result in messages to the respiratory center to decrease the rate and depth of ventilation.