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The first structure with which the air comes in contact as it moves from the nose into the pharynx is the anterior nares.

A) True
B) False

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What is the vomeronasal organ and what does research evidence suggest its function might be?

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The vomeronasal organ (VNO), also known ...

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Which of the following is not part of the respiratory membrane?


A) Ciliated respiratory mucosa
B) Alveolar epithelium
C) Capillary epithelium
D) All of the above are part of the respiratory membrane.

E) B) and C)
F) A) and D)

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Which of the following statements is not true about the respiratory mucosa?


A) The cilia can "taste" bitter toxins in the air.
B) The cilia respond to toxins by moving more rapidly to remove the toxin.
C) The longer a cilia is exposed to a toxin, the more effectively it moves to expel it.
D) All of the above statements are true about the respiratory mucosa.

E) None of the above
F) A) and D)

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The function of the vibrissae in the vestibule is to:


A) provide a large, mucus-covered surface area over which air must pass before reaching the pharynx.
B) provide an initial "filter" to screen particulate matter from air that is entering the system.
C) produce copious quantities of mucus.
D) serve as resonating chambers for speech.

E) B) and D)
F) All of the above

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Which of the following is not a characteristic of the paranasal sinuses?


A) They are air filled.
B) They are named after the bones in which they are located.
C) They drain or open into the oropharynx.
D) All of the above are true of the paranasal sinuses.

E) B) and C)
F) A) and D)

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The primary bronchi and the pulmonary blood vessels bound together by connective tissue form what is called the root of the lung.

A) True
B) False

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The total number of lobes in both lungs is:


A) 6.
B) 5.
C) 4.
D) 3.

E) A) and C)
F) All of the above

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Match each term with its corresponding definition. -Windpipe; extends from the larynx in the neck to the primary bronchi in the thorax


A) Larynx
B) Pleura
C) Turbinates
D) Respiratory membrane
E) Alveolus
F) Trachea
G) Pharynx
H) Bronchial tree
I) Respiratory mucosa
J) Paranasal sinus
K) Bronchiole
L) Nares

M) A) and B)
N) A) and G)

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The right lung is divided into three lobes by horizontal and oblique fissures.

A) True
B) False

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True

The trachea is slightly shorter than the pharynx.

A) True
B) False

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Match each term with its corresponding definition. -One of four pairs of air sinuses of the skull opening into the nose


A) Larynx
B) Pleura
C) Turbinates
D) Respiratory membrane
E) Alveolus
F) Trachea
G) Pharynx
H) Bronchial tree
I) Respiratory mucosa
J) Paranasal sinus
K) Bronchiole
L) Nares

M) A) and F)
N) G) and H)

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Which pair of tonsils is located in the nasopharynx?


A) Pharyngeal tonsils
B) Palatine tonsils
C) Lingual tonsils
D) Both B and C

E) C) and D)
F) A) and D)

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List two functions of the paranasal sinuses.

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The paranasal sinuses are air-filled spa...

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The olfactory epithelium can be distinguished from the rest of the respiratory mucosa in the nose by its bright pink or red color.

A) True
B) False

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The oblique fissure is present only in the right lung.

A) True
B) False

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The main characteristic shared by organs of the upper respiratory tract is that they are not in the thorax.

A) True
B) False

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Match each term with its corresponding definition. -Double layer of cells where gases are exchanged between alveolar air and blood


A) Larynx
B) Pleura
C) Turbinates
D) Respiratory membrane
E) Alveolus
F) Trachea
G) Pharynx
H) Bronchial tree
I) Respiratory mucosa
J) Paranasal sinus
K) Bronchiole
L) Nares

M) K) and L)
N) B) and J)

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D

The structures that deflect air as it passes through the nose are called:


A) choanae.
B) paranasal sinuses.
C) conchae.
D) vibrissae.

E) A) and D)
F) C) and D)

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C

The paranasal sinuses have two functions: they lighten the bones of the skull and also drain trapped particles into the nasopharynx.

A) True
B) False

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