Question 1

Describe the anatomical changes to the larynx that account for the deeper voice of men compared to women.

Accepted Answer

The thyroid cartilage of males grows lar

Question 2

The detergent-like molecule that keeps the alveoli from collapsing between breaths is called

Accepted Answer

A)  bile. 
B)  hemoglobin. 
C)  surfactant. 
D)  oxygen. 
A)  bile. 
B)  hemoglobin. 
C)  surfactant. 
D)  oxygen.

Question 3

Which of these does not act as a protective mechanism in the respiratory system?

Accepted Answer

A)  ciliated epithelium lining the respiratory tract 
B)  mucous lining the respiratory tract 
C)  alveolar macrophages in the lungs. 
D)  acidic secretions from the lining of the trachea 
A)  ciliated epithelium lining the respiratory tract 
B)  mucous lining the respiratory tract 
C)  alveolar macrophages in the lungs. 
D)  acidic secretions from the lining of the trachea

Question 4

Use the diagram above to answer the following questions.
-Identify the letter that indicates the cartilage that anchors the vocal cords posteriorly.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 5

The ability to vary the pitch of the voice results from varying

Accepted Answer

A)  the force of air passing over the vocal folds. 
B)  the tension in the vocal folds. 
C)  the size of the laryngeal cartilages. 
D)  the shape of the cricoid cartilage. 
A)  the force of air passing over the vocal folds. 
B)  the tension in the vocal folds. 
C)  the size of the laryngeal cartilages. 
D)  the shape of the cricoid cartilage.

Question 6

Which of the following changes does not occur as the conducting tubes of the respiratory tree become smaller?

Accepted Answer

A)  Cartilage rings are replaced by irregular plates of cartilage. 
B)  The lining epithelium thins. 
C)  Elastin in the walls disappears. 
D)  Cartilage disappears in the bronchioles. 
A)  Cartilage rings are replaced by irregular plates of cartilage. 
B)  The lining epithelium thins. 
C)  Elastin in the walls disappears. 
D)  Cartilage disappears in the bronchioles.

Question 7

Which part of the nose is composed of dense fibrous connective tissue?

Accepted Answer

A)  the apex 
B)  the border where the nostril attaches to the maxilla 
C)  the nasal septum 
D)  the surface connecting to the nasal bones 
A)  the apex 
B)  the border where the nostril attaches to the maxilla 
C)  the nasal septum 
D)  the surface connecting to the nasal bones

Question 8

In the wall of the trachea and bronchi, the cartilage rings lie within which tissue layer?

Accepted Answer

A)  inner epithelium 
B)  mucosa 
C)  submucosa 
D)  fibromusculocartilaginous layer 
A)  inner epithelium 
B)  mucosa 
C)  submucosa 
D)  fibromusculocartilaginous layer

Question 9

The alveoli continue to form until

Accepted Answer

A)  birth. 
B)  early childhood. 
C)  late childhood. 
D)  young adulthood. 
A)  birth. 
B)  early childhood. 
C)  late childhood. 
D)  young adulthood.

Question 10

Which of the following us true about the lungs in elderly individuals?

Accepted Answer

A)  Their elasticity declines. 
B)  They have greater capacity to fill due to increased flexibility of the thoracic wall. 
C)  Their protective mechanisms increase, reducing the risk of illness. 
D)  They produce more alveoli. 
A)  Their elasticity declines. 
B)  They have greater capacity to fill due to increased flexibility of the thoracic wall. 
C)  Their protective mechanisms increase, reducing the risk of illness. 
D)  They produce more alveoli.

Question 11

These are peripheral chemoreceptors that monitor changes in respiratory gasses and blood acidity levels.

Accepted Answer

A)  ventral respiratory center 
B)  vagus nerve 
C)  reticular activating system 
D)  carotid bodies 
E)  medulla oblongata 
A)  ventral respiratory center 
B)  vagus nerve 
C)  reticular activating system 
D)  carotid bodies 
E)  medulla oblongata

Question 12

Supportive cartilage disappears from the bronchial tree at the level of the

Accepted Answer

A)  alveolar duct. 
B)  bronchioles. 
C)  lobar bronchi. 
D)  respiratory bronchiole. 
A)  alveolar duct. 
B)  bronchioles. 
C)  lobar bronchi. 
D)  respiratory bronchiole.

Question 13

When the diaphragm contracts, it raises the floor of the thoracic cavity upward.

Accepted Answer

A) True 
 B)False

Question 14

The region of the lung served by secondary, or lobar, bronchi.

Accepted Answer

A)  bronchopulmonary segment 
B)  lobe 
C)  lobule 
D)  lingular 
E)  cardiac notch 
A)  bronchopulmonary segment 
B)  lobe 
C)  lobule 
D)  lingular 
E)  cardiac notch

Question 15

The main function of the elaborate venous plexus in the nasal mucosa is

Accepted Answer

A)  diapedesis of leukocytes. 
B)  to replace vessels broken in nose bleeds. 
C)  to supply extra blood to the brain and supplement the dural sinuses. 
D)  to warm and moisten inhaled air. 
A)  diapedesis of leukocytes. 
B)  to replace vessels broken in nose bleeds. 
C)  to supply extra blood to the brain and supplement the dural sinuses. 
D)  to warm and moisten inhaled air.

Question 16

The trachealis muscle

Accepted Answer

A)  constricts the trachea. 
B)  controls the length and tension of the vocal cords. 
C)  initiates the cough reflex. 
D)  raises the larynx when swallowing. 
A)  constricts the trachea. 
B)  controls the length and tension of the vocal cords. 
C)  initiates the cough reflex. 
D)  raises the larynx when swallowing.

Question 17

The ________ sinuses drain into the nasal cavity.

Accepted Answer

The answer of The ________ sinuses drain into the nasal...

Question 18

Use the diagram above to answer the following questions.
-Identify the letter that indicates structures that assist in filtering, heating, and humidifying inspired air.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 19

Alveolar pores

Accepted Answer

A)  allow gases to transfer from the alveoli to the blood. 
B)  allow pleural fluid to enter the alveoli and keep their walls from sticking together. 
C)  are the openings between the alveolar duct and the alveolus. 
D)  equalize air pressure throughout the lung. 
A)  allow gases to transfer from the alveoli to the blood. 
B)  allow pleural fluid to enter the alveoli and keep their walls from sticking together. 
C)  are the openings between the alveolar duct and the alveolus. 
D)  equalize air pressure throughout the lung.

Question 20

The lobes of a lung are easy to recognize and distinguish from one another because

Accepted Answer

A)  they all have slightly different colors. 
B)  they are separated by fissures. 
C)  each is supplied by a primary bronchus, and the primary bronchi are easy to find. 
D)  carbon from the air accumulates between and outlines the lobes in most people (even if they breathe almost-unpolluted air). 
A)  they all have slightly different colors. 
B)  they are separated by fissures. 
C)  each is supplied by a primary bronchus, and the primary bronchi are easy to find. 
D)  carbon from the air accumulates between and outlines the lobes in most people (even if they breathe almost-unpolluted air).

Exam 22: The Respiratory System

Describe the anatomical changes to the larynx that account for the deeper voice of men compared to women.

The detergent-like molecule that keeps the alveoli from collapsing between breaths is called

Which of these does not act as a protective mechanism in the respiratory system?

Use the diagram above to answer the following questions. -Identify the letter that indicates the cartilage that anchors the vocal cords posteriorly.

The ability to vary the pitch of the voice results from varying

Which of the following changes does not occur as the conducting tubes of the respiratory tree become smaller?

Which part of the nose is composed of dense fibrous connective tissue?

In the wall of the trachea and bronchi, the cartilage rings lie within which tissue layer?

The alveoli continue to form until

Which of the following us true about the lungs in elderly individuals?

These are peripheral chemoreceptors that monitor changes in respiratory gasses and blood acidity levels.

Supportive cartilage disappears from the bronchial tree at the level of the

When the diaphragm contracts, it raises the floor of the thoracic cavity upward.

The region of the lung served by secondary, or lobar, bronchi.

The main function of the elaborate venous plexus in the nasal mucosa is

The trachealis muscle

The ________ sinuses drain into the nasal cavity.

Use the diagram above to answer the following questions. -Identify the letter that indicates structures that assist in filtering, heating, and humidifying inspired air.

Alveolar pores

The lobes of a lung are easy to recognize and distinguish from one another because

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Digestive System

The Urinary System

The Reproductive System

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