Question 1

Which does not describe the diaphragm?

Accepted Answer

A) Composed of smooth muscle 
B) Innervated by the phrenic nerve 
C) Separates the thoracic cavity from the abdominopelvic cavity 
D) Prime mover of inspiration 
A) Composed of smooth muscle 
B) Innervated by the phrenic nerve 
C) Separates the thoracic cavity from the abdominopelvic cavity 
D) Prime mover of inspiration D

Question 2

There is an oxygen molecule in the sheep's primary bronchus. What structure would it enter next?

Accepted Answer

A) Respiratory bronchiole 
B) Terminal bronchiole 
C) Alveolus 
D) Secondary bronchus 
A) Respiratory bronchiole 
B) Terminal bronchiole 
C) Alveolus 
D) Secondary bronchus B

Question 3

-On the photomicrograph, identify the structure labeled "g."

Accepted Answer

A) Pseudostratified ciliated columnar epithelium 
B) Hyaline cartilage 
C) Submucosa 
D) Lamina propria 
A) Pseudostratified ciliated columnar epithelium 
B) Hyaline cartilage 
C) Submucosa 
D) Lamina propria B

Question 4

-Identify the structure labeled "f."

Accepted Answer

A) Nasopharynx 
B) Oropharynx 
C) Larynx 
D) Laryngopharynx 
A) Nasopharynx 
B) Oropharynx 
C) Larynx 
D) Laryngopharynx

Question 5

How is the nasal cavity structurally adapted to its function(s)?

Accepted Answer

A) Stratified squamous epithelium contains mucus-producing cells to trap debris and sweep it out. 
B) The simple squamous epithelium facilitates diffusion of gases. 
C) Nasal conchae produce turbulence to filter, moisten, warm incoming air. 
D) The simple squamous epithelium allows odor molecule to diffuse into the olfactory organ. 
A) Stratified squamous epithelium contains mucus-producing cells to trap debris and sweep it out. 
B) The simple squamous epithelium facilitates diffusion of gases. 
C) Nasal conchae produce turbulence to filter, moisten, warm incoming air. 
D) The simple squamous epithelium allows odor molecule to diffuse into the olfactory organ.

Question 6

You are viewing an organ of the respiratory system and note the following tissues: folded mucosal layer containing simple cuboidal epithelium and smooth muscle. Identify the organ.

Accepted Answer

A) Respiratory bronchiole 
B) Terminal bronchiole 
C) Alveolar duct 
D) Alveolus 
A) Respiratory bronchiole 
B) Terminal bronchiole 
C) Alveolar duct 
D) Alveolus

Question 7

Which structure is not found in a sheep pluck?

Accepted Answer

A) Lungs 
B) Heart 
C) Trachea 
D) Pharynx 
A) Lungs 
B) Heart 
C) Trachea 
D) Pharynx

Question 8

-Identify the structure labeled "b."

Accepted Answer

A) Larynx 
B) Secondary bronchus 
C) Trachea 
D) Primary bronchus 
A) Larynx 
B) Secondary bronchus 
C) Trachea 
D) Primary bronchus

Question 9

Which statement best describes the texture of the sheep lung?

Accepted Answer

A) It feels stiff and rigid. 
B) It feels like a slippery hose. 
C) It feels like a copper pipe. 
D) It feels like a sponge. 
A) It feels stiff and rigid. 
B) It feels like a slippery hose. 
C) It feels like a copper pipe. 
D) It feels like a sponge.

Question 10

What is the function of the Type II alveolar cell?

Accepted Answer

A) It detects odor molecules. 
B) It produces surfactant. 
C) It allows gas exchange. 
D) It produces mucus. 
A) It detects odor molecules. 
B) It produces surfactant. 
C) It allows gas exchange. 
D) It produces mucus.

Question 11

What structural feature of the left lung is not shared by the right lung?

Accepted Answer

A) Cardiac notch 
B) Two lobes 
C) Supplied by two bronchi 
D) All of the answers are correct. 
A) Cardiac notch 
B) Two lobes 
C) Supplied by two bronchi 
D) All of the answers are correct.

Question 12

-Identify the structure labeled "d."

Accepted Answer

A) Nasal cavity 
B) Diaphragm 
C) Alveoli 
D) Bronchiole 
A) Nasal cavity 
B) Diaphragm 
C) Alveoli 
D) Bronchiole

Question 13

Which structure is characterized by having ciliated pseudostratified columnar epithelium?

Accepted Answer

A) Air sacs of lungs 
B) Submucosa of trachea 
C) Inner lining of trachea 
D) Supporting rings of trachea 
A) Air sacs of lungs 
B) Submucosa of trachea 
C) Inner lining of trachea 
D) Supporting rings of trachea

Question 14

Which respiratory structure has only simple squamous epithelium lining its mucosa?

Accepted Answer

A) Diaphragm 
B) Left lung 
C) Alveolus 
D) Bronchiole 
A) Diaphragm 
B) Left lung 
C) Alveolus 
D) Bronchiole

Question 15

What trait facilitates the alveolus performing its function?

Accepted Answer

A) Hyaline cartilage to keep structure patent 
B) Mucus-producing goblet cells to trap debris 
C) Thin, flat epithelium for diffusion 
D) Cilia to sweep out mucus 
A) Hyaline cartilage to keep structure patent 
B) Mucus-producing goblet cells to trap debris 
C) Thin, flat epithelium for diffusion 
D) Cilia to sweep out mucus

Question 16

Which technique is used to inflate the sheep pluck?

Accepted Answer

A) Compressed air and hose 
B) Bicycle hand/foot pump 
C) Cardboard tube and your mouth 
D) Helium air balloon 
A) Compressed air and hose 
B) Bicycle hand/foot pump 
C) Cardboard tube and your mouth 
D) Helium air balloon

Question 17

Which best describes the thyroid cartilage?

Accepted Answer

A) Comprises the thyroid gland 
B) Most superior part of the pharynx 
C) Major supporting cartilage of the larynx 
D) Composed of elastic cartilage 
A) Comprises the thyroid gland 
B) Most superior part of the pharynx 
C) Major supporting cartilage of the larynx 
D) Composed of elastic cartilage

Question 18

What trait facilitates the trachea performing its function?

Accepted Answer

A) Smooth muscle to create the vocal fold 
B) Cilia to sweep out trapped debris and mucus 
C) Thin, flat epithelium for diffusion 
D) Stratified squamous epithelium to resist abrasion 
A) Smooth muscle to create the vocal fold 
B) Cilia to sweep out trapped debris and mucus 
C) Thin, flat epithelium for diffusion 
D) Stratified squamous epithelium to resist abrasion

Question 19

Which statement best describes a major different between sheep lungs and human lungs?

Accepted Answer

A) Sheep lungs have more hyaline cartilage than human lungs. 
B) Sheep lungs have more lobes than human lungs. 
C) Sheep lungs are divided into right, left, and intermediate lungs. 
D) Sheep lungs do not have separate right and left pulmonary arteries. 
A) Sheep lungs have more hyaline cartilage than human lungs. 
B) Sheep lungs have more lobes than human lungs. 
C) Sheep lungs are divided into right, left, and intermediate lungs. 
D) Sheep lungs do not have separate right and left pulmonary arteries.

Question 20

-Identify the structure labeled "e."

Accepted Answer

A) Bronchi 
B) Trachea 
C) Larynx 
D) Pharynx 
A) Bronchi 
B) Trachea 
C) Larynx 
D) Pharynx

Exam 25: Anatomy of the Respiratory System

Which does not describe the diaphragm?

There is an oxygen molecule in the sheep's primary bronchus. What structure would it enter next?

-On the photomicrograph, identify the structure labeled "g."

-Identify the structure labeled "f."

How is the nasal cavity structurally adapted to its function(s)?

You are viewing an organ of the respiratory system and note the following tissues: folded mucosal layer containing simple cuboidal epithelium and smooth muscle. Identify the organ.

Which structure is not found in a sheep pluck?

-Identify the structure labeled "b."

Which statement best describes the texture of the sheep lung?

What is the function of the Type II alveolar cell?

What structural feature of the left lung is not shared by the right lung?

-Identify the structure labeled "d."

Which structure is characterized by having ciliated pseudostratified columnar epithelium?

Which respiratory structure has only simple squamous epithelium lining its mucosa?

What trait facilitates the alveolus performing its function?

Which technique is used to inflate the sheep pluck?

Which best describes the thyroid cartilage?

What trait facilitates the trachea performing its function?

Which statement best describes a major different between sheep lungs and human lungs?

-Identify the structure labeled "e."

Introduction to Anatomy and Physiology

Introduction to the Organ Systems

Chemistry

The Microscope

The Cell

Histology

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Joints

Introduction to the Muscular System: Muscle Tissue

Gross Anatomy of the Muscular System

Introduction to the Nervous System

The Central Nervous System: Brain and Spinal Cord

The Peripheral Nervous System: Nerves and Autonomic Nervous System

General and Special Senses

The Endocrine System

Blood

Anatomy of the Heart

Physiology of the Heart

Anatomy of Blood Vessels

Circulatory Pathways and the Physiology of Blood Vessels

The Lymphatic System

Physiology of the Respiratory System

Anatomy of the Digestive System

Physiology of the Digestive System

Anatomy of the Urinary System

Physiology of the Urinary System

Reproductive and Development

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