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| 1 | |
Which one of the below is not a function of the respiratory system: |
| | A) | allows oxygen from the air to enter the blood and carbon dioxide to leave the blood and enter the air. |
| | B) | can alter the pH by changing oxygen levels. |
| | C) | provides protection against some microorganisms by preventing their entry into the body and by removing them from respiratory surfaces. |
| | D) | allows for speech and sound generation. |
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| 2 | |
The vestibule just inside each naris is lined by ________________ epithelium. |
| | A) | stratified squamous |
| | B) | simple cuboidal |
| | C) | stratified cuboidal |
| | D) | pseudostratified columnar |
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| 3 | |
The external nose is the visible structure that forms a prominent feature of the face. The largest part of the external nose is composed of: |
| | A) | nasal bones |
| | B) | elastic cartilage |
| | C) | fibrocartilage |
| | D) | hyaline cartilage |
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| 4 | |
The partition dividing the nasal cavity into right and left parts is called the |
| | A) | hard palate |
| | B) | nasal septum |
| | C) | nasal conchae |
| | D) | vestibule |
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| 5 | |
Air is filtered as it moves through narrow curved channels in the nasal cavity called _______________ and the debris is trapped and moved towards the pharynx by _______________ epithelium. |
| | A) | meati, pseudostratified ciliated columnar |
| | B) | conchae, pseudostratified ciliated columnar |
| | C) | meati, stratified squamous |
| | D) | conchiae stratified squamous |
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| 6 | |
Which one of the cavities or ducts does not drain into or out of the nasal cavity? |
| | A) | vestibule |
| | B) | paranasal sinus |
| | C) | choanae |
| | D) | auditory tube |
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| 7 | |
Which one of the functions is not of the nasal cavity? |
| | A) | filters the air |
| | B) | provides exchange site for O2 and CO2 |
| | C) | humidifies the air |
| | D) | warms the air |
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| 8 | |
Which one of the below is lined by a pseudostratified ciliated columnar epithelium? |
| | A) | vestibule |
| | B) | nasopharynx |
| | C) | oropharynx |
| | D) | laryngopharynx |
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| 9 | |
The posterior surface of the nasopharynx contains the ___________ tonsils. |
| | A) | palatine |
| | B) | oral |
| | C) | lingual |
| | D) | pharyngeal |
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| 10 | |
The soft palate including the uvula closes off the ______________ when swallowing. |
| | A) | oropharynx |
| | B) | nasopharynx |
| | C) | glottis |
| | D) | laryngopharynx |
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| 11 | |
The role of the false vocal cords or vestibular folds in swallowing is to |
| | A) | prevent air from entering the lungs too quickly. |
| | B) | support the true vocal cords. |
| | C) | prevent food and liquids from entering the larynx. |
| | D) | vibrate when air is forced over them resulting in sound production. |
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| 12 | |
Laryngitis is an infection or inflammation of the mucosal epithelium of the |
| | A) | true vocal cords. |
| | B) | false vocal cords. |
| | C) | laryngopharynx. |
| | D) | oropharynx. |
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| 13 | |
In a normal conversation, Sally and Dawn who are of similar age, height and weight, speak at the same decibel level, but Sally's pitch is always higher than Dawn's. What might cause this difference? |
| | A) | Sally has longer true vocal cords than Dawn. |
| | B) | Sally forces more air over her true vocal cords than Dawn. |
| | C) | Sally is probably a smoker while Dawn is not. |
| | D) | Sally vibrates only the anterior parts of her true vocal cords while Dawn vibrates a greater length of her true vocal cords. |
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| 14 | |
The largest laryngeal cartilage is the ___________ and the only elastic laryngeal cartilage is the _____________. |
| | A) | thyroid, cricoid |
| | B) | cricoid, epiglottis |
| | C) | thyroid, arytenoid |
| | D) | thyroid, epiglottis |
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