FISDAP AIRWAY EXAM 3 WITH 3 LATEST UPDATED VERSIONS (VERSION A , B AND C) COMPLETE 300 QUESTIONS AND CORRECT VERIFIED ANSWERS (MOST TESTED QUESTIONS

EMT Fisdap Airway Exam Questions and Answers
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1. From the atmosphere, what structures does air pass through during ven-
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tilation?: Starts in atmosphere, then nose, nasopharyngeal space/orophargynealspace
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(if mouth breather), then pharynx, larynx, trachea, bronchi, bronchioles, alveoli
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2. What is the purpose of the nasal passages and nasopharynx?: To warm/hu-
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midify air as it passes through
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3. What is the difference between respiration and ventilation?: Respiration refers to t
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he exchange of gases in the alveoli, ventilation refers to the movement
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of air into the lungs. Respiration is needed to provide O2 to cells and remove wasteprodu
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cts. Also regulates pH of blood.
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4. What are the structures of the upper airway?: nose, mouth, tongue, jaw,pharynx
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and larynx b




5. What structure is considered a landmark that divides the upper airway fromlower?: Th
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e larynx, anything above is upper. The larynx and below are lower.
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6. What are the structures of the lower airways?: larynx (includes adam's ap-
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,ple/thyroid cartilage, cricothyroid membrane, cricoid cartilage), trachea, bronchi,bro
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nchioles, alveoli b




7. Describe the anatomy of the larynx.: From superior to inferior.Thyroid cartilage,cricoth
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yroid membrane, and cricoid membrane. The thyroid cartilage and cricoid cartilage are
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anterior to the larynx, and the cricothyroid membrane is posterior to both structures.
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8. True or false: the lungs are completely equal in the midsaggital plane.: False,right lungs h
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as 3 lobes, left lung only has 2 lobes. Together they have 5 total. Also,the right bronchi is i
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nferior to the left bronchi. b b b b




9. What are the structures of the lungs in order of ventilation?: bronchioles, andalveoli
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10. True or false: the lungs use muscles found in the lateral lobes to expand and contract
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?: False: the lungs are hollow organs and contain no muscles. Whenthe diaphragm contra
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cts it expands the thoracic cavity. The pleural space has a negative pressure and the lungs
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expand. This results in a slightly negative pressure(compared to the atmosphere) and air
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b rushes in. b




11. True or false: Air rushes into the lungs because of negative pressure.: True,when the lu
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ngs expand, they are creating a vacuum because they are expanding the volume of the co
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ntainer. This increase in volume causes influx of air into the container until the pressure
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is equalized with the atmosphere.
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,12. True or false:The parietal pleura lines the lungs and the visceral pleuralines the lu
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ngs. The space between is called the anterior pleura.: False: thevisceral pleura lines th
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e lungs, the parietal pleura lines the body cavity and the
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, pleural space is the space in between both where body fluid allows for both tosmoothly g
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lide.


13. What muscles are involved in inhalation?: The diaphragm, cervical muscles(neck), in
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tercostals, abdominal muscles, and pectoral muscles. b b b b b




14. What muscles are involved in expiration?: none, expiration (if done passively)is achiev
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ed by the relaxation of the diaphragm.
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15. What is the primary driver of respiration? (Why would we increase/de-
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b crease RR?): The CSF in the brain has chemoreceptors sensitive to CO2. When there is to
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o much CO2. The pH changes. These sensors feed back to the medulla oblongata, which sti
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mulates the phrenic nerve which innervates the diaphragm.Theycause an increase in activi
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ty of the diaphragm.This increases the RR which causesus to increase tidal volume. This
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means more CO2 is exhaled. And brings our pH back to normal.
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We also have the less sensitive hypoxic drive
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16. What is hypoxic drive?: Backup system to control respiration. Chemoreceptorsin brain
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, aorta, and carotid arteries. But they are "satisfied" by a small amount of O2,which means i
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t is not as sensitive as pH control of CO2
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17. What two areas of the brain are involved in respiration?: medulla-
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controlsrhythm, initiates inspiration, sets base pattern for respirations, and stimulates
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