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FISDAP Airway Exam Questions And Answers 100% Guaranteed Success.

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FISDAP Airway Exam Questions And Answers 100% Guaranteed Success. From the atmosphere, what structures does air pass through during ventilation? - correct answer. Starts in atmosphere, then nose, nasopharyngeal space/orophargyneal space (if mouth breather), then pharynx, larynx, trachea...

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  • September 23, 2024
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FISDAP Airway Exam Questions And
Answers 100% Guaranteed Success.

From the atmosphere, what structures does air pass through during ventilation? -
correct answer. Starts in atmosphere, then nose, nasopharyngeal
space/orophargyneal space (if mouth breather), then pharynx, larynx, trachea, bronchi,
bronchioles, alveoli

What is the purpose of the nasal passages and nasopharynx? - correct answer. To
warm/humidify air as it passes through

What is the difference between respiration and ventilation? - correct answer.
Respiration refers to the exchange of gases in the alveoli, ventilation refers to the
movement of air into the lungs. Respiration is needed to provide O2 to cells and remove
waste products. Also regulates pH of blood.

What are the structures of the upper airway? - correct answer. nose, mouth, tongue,
jaw, pharynx and larynx

What structure is considered a landmark that divides the upper airway from lower? -
correct answer. The larynx, anything above is upper. The larynx and below are lower.

What are the structures of the lower airways? - correct answer. larynx (includes
adam's apple/thyroid cartilage, cricothyroid membrane, cricoid cartilage), trachea,
bronchi, bronchioles, alveoli

Describe the anatomy of the larynx. - correct answer. From superior to inferior.
Thyroid cartilage, cricothyroid membrane, and cricoid membrane. The thyroid cartilage
and cricoid cartilage are anterior to the larynx, and the cricothyroid membrane is
posterior to both structures.

True or false: the lungs are completely equal in the midsaggital plane. - correct answer.
False, right lungs has 3 lobes, left lung only has 2 lobes. Together they have 5 total.
Also, the right bronchi is inferior to the left bronchi.

What are the structures of the lungs in order of ventilation? - correct answer.
bronchioles, and alveoli

, True or false: the lungs use muscles found in the lateral lobes to expand and contract? -
correct answer. False: the lungs are hollow organs and contain no muscles. When the
diaphragm contracts it expands the thoracic cavity. The pleural space has a negative
pressure and the lungs expand. This results in a slightly negative pressure (compared
to the atmosphere) and air rushes in.

True or false: Air rushes into the lungs because of negative pressure. - correct answer.
True, when the lungs expand, they are creating a vacuum because they are expanding
the volume of the container. This increase in volume causes influx of air into the
container until the pressure is equalized with the atmosphere.

True or false: The parietal pleura lines the lungs and the visceral pleura lines the lungs.
The space between is called the anterior pleura. - correct answer. False: the visceral
pleura lines the lungs, the parietal pleura lines the body cavity and the pleural space is
the space in between both where body fluid allows for both to smoothly glide.

What muscles are involved in inhalation? - correct answer. The diaphragm, cervical
muscles (neck), intercostals, abdominal muscles, and pectoral muscles.

What muscles are involved in expiration? - correct answer. none, expiration (if done
passively) is achieved by the relaxation of the diaphragm.

What is the primary driver of respiration? (Why would we increase/decrease RR?) -
correct answer. The CSF in the brain has chemoreceptors sensitive to CO2. When
there is too much CO2. The pH changes. These sensors feed back to the medulla
oblongata, which stimulates the phrenic nerve which innervates the diaphragm. They
cause an increase in activity of the diaphragm. This increases the RR which causes us
to increase tidal volume. This means more CO2 is exhaled. And brings our pH back to
normal.

We also have the less sensitive hypoxic drive

What is hypoxic drive? - correct answer. Backup system to control respiration.
Chemoreceptors in brain, aorta, and carotid arteries. But they are "satisfied" by a small
amount of O2, which means it is not as sensitive as pH control of CO2

What two areas of the brain are involved in respiration? - correct answer. medulla-
controls rhythm, initiates inspiration, sets base pattern for respirations, and stimulates
diaphragm to contract.

pons-changes depth of inspiration, expiration or both.

True or false: arteries bring oxygenated blood to organs/capillaries - correct answer.
True in most cases with one exception. Arteries (away) bring blood away from the heart.
Usually this is oxygenated blood. But the pulmonary arteries bring oxygen poor blood
away from the heart, to the lungs to be oxygenated.

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