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FISDAP TEST AIRWAY Airway Fisdap Questions chapter 16: Respirato
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From the atmosphere, what Starts in atmosphere, then nose, nasopharyngeal
structures does air pass through space/orophargyneal space (if mouth breather), then pharynx,
during ventilation? larynx, trachea, bronchi, bronchioles, alveoli
What is the purpose of the nasal To warm/humidify air as it passes through
passages and nasopharynx?
Respiration refers to the exchange of gases in the alveoli,
What is the difference between ventilation refers to the movement of air into the lungs.
respiration and ventilation? Respiration is needed to provide O2 to cells and remove waste
products. Also regulates pH of blood.
What are the structures of the nose, mouth, tongue, jaw, pharynx and larynx
upper airway?
What structure is considered a The larynx, anything above is upper. The larynx and below are
landmark that divides the upper lower.
airway from lower?
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larynx (includes adam's apple/thyroid cartilage, cricothyroid
What are the structures of the
membrane, cricoid cartilage), trachea, bronchi, bronchioles,
lower airways?
alveoli
From superior to inferior. Thyroid cartilage, cricothyroid
Describe the anatomy of the membrane, and cricoid membrane. The thyroid cartilage and
larynx. cricoid cartilage are anterior to the larynx, and the cricothyroid
membrane is posterior to both structures.
True or false: the lungs are False, right lungs has 3 lobes, left lung only has 2 lobes. Together
completely equal in the they have 5 total. Also, the right bronchi is inferior to the left
midsaggital plane. bronchi.
What are the structures of the bronchioles, and alveoli
lungs in order of ventilation?
, False: the lungs are hollow organs and contain no muscles. When
True or false: the lungs use the diaphragm contracts it expands the thoracic cavity. The
muscles found in the lateral pleural space has a negative pressure and the lungs expand. This
lobes to expand and contract? results in a slightly negative pressure (compared to the
atmosphere) and air rushes in.
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True, when the lungs expand, they are creating a vacuum
True or false: Air rushes into the
because they are expanding the volume of the container. This
lungs because of negative
increase in volume causes influx of air into the container until the
pressure.
pressure is equalized with the atmosphere.
True or false: The parietal pleura False: the visceral pleura lines the lungs, the parietal pleura lines
lines the lungs and the visceral the body cavity and the pleural space is the space in between
pleura lines the lungs. The space both where body fluid allows for both to smoothly glide.
between is called the anterior
pleura.
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What muscles are involved in The diaphragm, cervical muscles (neck), intercostals, abdominal
inhalation? muscles, and pectoral muscles.
What muscles are involved in none, expiration (if done passively) is achieved by the relaxation
expiration? of the diaphragm.
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
What is the primary driver of nerve which innervates the diaphragm. They cause an increase in
respiration? (Why would we activity of the diaphragm. This increases the RR which causes us
increase/decrease RR?) 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
Backup system to control respiration. Chemoreceptors in brain,
aorta, and carotid arteries. But they are "satisfied" by a small
What is hypoxic drive?
amount of O2, which means it is not as sensitive as pH control of
CO2
medulla-controls rhythm, initiates inspiration, sets base pattern
What two areas of the brain are for respirations, and stimulates diaphragm to contract.
involved in respiration?
pons-changes depth of inspiration, expiration or both.
True in most cases with one exception. Arteries (away) bring
True or false: arteries bring
blood away from the heart. Usually this is oxygenated blood. But
oxygenated blood to
the pulmonary arteries bring oxygen poor blood away from the
organs/capillaries
heart, to the lungs to be oxygenated.
amount of air moved in/out of lungs in single breath. Usually 500
What is the tidal volume?
ml in adult
What is inspiratory reserve Deepest breath you can take after normal respiration
volume?
What is expiratory reserve maximum amount you can breathe out after normal breath.
volume/Vital Capacity?