Question 1

Blood from the pulmonary veins enter which of the following structures?

Accepted Answer

A)  coronary sinus 
B)  right ventricle 
C)  left ventricle 
D)  right atrium 
E)  left atrium 
A)  coronary sinus 
B)  right ventricle 
C)  left ventricle 
D)  right atrium 
E)  left atrium

Question 2

The most important muscles involved in eupnea are the diaphragm and the external intercostal muscles.

Accepted Answer

A) True 
 B)False

Question 3

Contraction of these muscles depresses the ribs during forced exhalation.

Accepted Answer

A)  external intercostals 
B)  scalenes 
C)  transversus thoracis 
D)  internal intercostals 
E)  serratus posterior inferior 
A)  external intercostals 
B)  scalenes 
C)  transversus thoracis 
D)  internal intercostals 
E)  serratus posterior inferior

Question 4

The walls of terminal bronchioles contain a significant amount of which tissue type?

Accepted Answer

A)  smooth muscle 
B)  hyaline cartilage 
C)  skeletal muscle 
D)  pseudostratified ciliated columnar epithelium 
E)  elastic cartilage 
A)  smooth muscle 
B)  hyaline cartilage 
C)  skeletal muscle 
D)  pseudostratified ciliated columnar epithelium 
E)  elastic cartilage

Question 5

Figure 24.1
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label J.

Accepted Answer

A)  Epiglottis 
B)  Pharyngeal tonsil 
C)  Oropharynx 
D)  Ary-epiglottic fold 
E)  Palatine tonsil 
A)  Epiglottis 
B)  Pharyngeal tonsil 
C)  Oropharynx 
D)  Ary-epiglottic fold 
E)  Palatine tonsil

Question 6

The cricoid cartilage is a complete ring whose posterior portion is greatly expanded, providing support in the absence of the thyroid cartilage.

Accepted Answer

A) True 
 B)False

Question 7

Figure 24.3
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label O.

Accepted Answer

A)  Smooth muscle 
B)  Alveolar sac 
C)  Alveolar duct 
D)  Alveolus 
E)  Elastic fibers 
A)  Smooth muscle 
B)  Alveolar sac 
C)  Alveolar duct 
D)  Alveolus 
E)  Elastic fibers

Question 8

At the level of ________ the trachea branches within the mediastinum, giving rise to the right and left main bronchi.

Accepted Answer

A)  T₅ 
B)  T₇ 
C)  C₅ 
D)  T₃ 
E)  C₇ 
A)  T₅ 
B)  T₇ 
C)  C₅ 
D)  T₃ 
E)  C₇

Question 9

The upper respiratory system consists of the nose, nasal cavity, paranasal sinuses, and ________.

Accepted Answer

A)  trachea 
B)  lungs 
C)  nasopharynx 
D)  bronchi 
E)  larynx 
A)  trachea 
B)  lungs 
C)  nasopharynx 
D)  bronchi 
E)  larynx

Question 10

Higher centers that influence respiration are found in the cerebrum and in the ________.

Accepted Answer

A)  epithalamus 
B)  cerebellum 
C)  pons 
D)  medulla 
E)  hypothalamus 
A)  epithalamus 
B)  cerebellum 
C)  pons 
D)  medulla 
E)  hypothalamus

Question 11

Bronchodilation is caused by sympathetic activation and the release of which neurotransmitter?

Accepted Answer

A)  acetylcholine 
B)  epinephrine 
C)  serotonin 
D)  dopamine 
E)  nitrous oxide 
A)  acetylcholine 
B)  epinephrine 
C)  serotonin 
D)  dopamine 
E)  nitrous oxide

Question 12

Figure 24.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label R.

Accepted Answer

A)  Medial basal bronchopulmonary segment 
B)  Lateral basal bronchopulmonary segment 
C)  Superior bronchopulmonary segment 
D)  Posterior basal bronchopulmonary segment 
E)  Anterior basal bronchopulmonary segment 
A)  Medial basal bronchopulmonary segment 
B)  Lateral basal bronchopulmonary segment 
C)  Superior bronchopulmonary segment 
D)  Posterior basal bronchopulmonary segment 
E)  Anterior basal bronchopulmonary segment

Question 13

Figure 24.3
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label L.

Accepted Answer

A)  Alveolar sac 
B)  Elastic fibers 
C)  Alveolus 
D)  Alveolar duct 
E)  Capillaries 
A)  Alveolar sac 
B)  Elastic fibers 
C)  Alveolus 
D)  Alveolar duct 
E)  Capillaries

Question 14

Figure 24.1
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label B.

Accepted Answer

A)  Posterior nasal apertures 
B)  Laryngopharynx 
C)  Nasopharynx 
D)  Oropharynx 
E)  Nasal cavity 
A)  Posterior nasal apertures 
B)  Laryngopharynx 
C)  Nasopharynx 
D)  Oropharynx 
E)  Nasal cavity

Question 15

Within the trachea, the ________ contains mucous glands that secrete mucus onto the epithelial surface through secretory ducts.

Accepted Answer

A)  serosa 
B)  muscularis externa 
C)  lamina propria 
D)  submucosa 
E)  adventitia 
A)  serosa 
B)  muscularis externa 
C)  lamina propria 
D)  submucosa 
E)  adventitia

Question 16

Figure 24.1
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label A.

Accepted Answer

A)  Nasopharynx 
B)  Nasal cavity 
C)  Oropharynx 
D)  Glottis 
E)  Laryngopharynx 
A)  Nasopharynx 
B)  Nasal cavity 
C)  Oropharynx 
D)  Glottis 
E)  Laryngopharynx

Question 17

Figure 24.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label I.

Accepted Answer

A)  Anterior basal bronchopulmonary segment 
B)  Medial bronchopulmonary segment 
C)  Lateral basal bronchopulmonary segment 
D)  Superior bronchopulmonary segment 
E)  Posterior basal bronchopulmonary segment 
A)  Anterior basal bronchopulmonary segment 
B)  Medial bronchopulmonary segment 
C)  Lateral basal bronchopulmonary segment 
D)  Superior bronchopulmonary segment 
E)  Posterior basal bronchopulmonary segment

Question 18

Figure 24.3
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label J.

Accepted Answer

A)  Elastic fibers 
B)  Alveolar duct 
C)  Capillaries 
D)  Smooth muscle 
E)  Alveolar sac 
A)  Elastic fibers 
B)  Alveolar duct 
C)  Capillaries 
D)  Smooth muscle 
E)  Alveolar sac

Question 19

Figure 24.1
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label I.

Accepted Answer

A)  Pharyngeal tonsil 
B)  Palatine tonsil 
C)  Epiglottis 
D)  Ary-epiglottic fold 
E)  Oropharynx 
A)  Pharyngeal tonsil 
B)  Palatine tonsil 
C)  Epiglottis 
D)  Ary-epiglottic fold 
E)  Oropharynx

Question 20

Figure 24.2
   
Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label J.

Accepted Answer

A)  Posterior basal bronchopulmonary segment 
B)  Medial bronchopulmonary segment 
C)  Superior bronchopulmonary segment 
D)  Lateral basal bronchopulmonary segment 
E)  Anterior basal bronchopulmonary segment 
A)  Posterior basal bronchopulmonary segment 
B)  Medial bronchopulmonary segment 
C)  Superior bronchopulmonary segment 
D)  Lateral basal bronchopulmonary segment 
E)  Anterior basal bronchopulmonary segment

Exam 24: The Respiratory System

Blood from the pulmonary veins enter which of the following structures?

The most important muscles involved in eupnea are the diaphragm and the external intercostal muscles.

Contraction of these muscles depresses the ribs during forced exhalation.

The walls of terminal bronchioles contain a significant amount of which tissue type?

Figure 24.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label J.

The cricoid cartilage is a complete ring whose posterior portion is greatly expanded, providing support in the absence of the thyroid cartilage.

Figure 24.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label O.

At the level of ________ the trachea branches within the mediastinum, giving rise to the right and left main bronchi.

The upper respiratory system consists of the nose, nasal cavity, paranasal sinuses, and ________.

Higher centers that influence respiration are found in the cerebrum and in the ________.

Bronchodilation is caused by sympathetic activation and the release of which neurotransmitter?

Figure 24.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label R.

Figure 24.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label L.

Figure 24.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label B.

Within the trachea, the ________ contains mucous glands that secrete mucus onto the epithelial surface through secretory ducts.

Figure 24.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label A.

Figure 24.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label I.

Figure 24.3 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label J.

Figure 24.1 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label I.

Figure 24.2 Identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label J.

Foundations: An Introduction to Anatomy

Foundations: The Cell

Foundations: Tissues and Early Embryology

The Integumentary System

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: Axial Musculature

The Muscular System: Appendicular Musculature

Surface Anatomy and Cross-Sectional Anatomy

The Nervous System: Neural Tissue

The Nervous System: The Spinal Cord and Spinal Nerves

The Nervous System: Sensory and Motor Tracts of the Spinal Cord

The Nervous System: The Brain and Cranial Nerves

The Nervous System: Autonomic Nervous System

The Nervous System: General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Vessels and Circulation

The Lymphatic System

The Digestive System

The Urinary System

The Reproductive System

Embryology and Human Development

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