APEX Anesthesia: Unit 1 Respiratory Questions and Answers Already Passed
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APEX Anesthesia: Unit 1 Respiratory
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APEX Anesthesia: Unit 1 Respiratory
APEX Anesthesia: Unit 1 Respiratory
Questions and Answers Already Passed
What is the primary function of the respiratory system?
The primary function of the respiratory system is to facilitate gas exchange, bringing oxygen
into the body and removing carbon dioxide.
What is tidal volume?
...
APEX Anesthesia: Unit 1 Respiratory
Questions and Answers Already Passed
What is the primary function of the respiratory system?
✔✔The primary function of the respiratory system is to facilitate gas exchange, bringing oxygen
into the body and removing carbon dioxide.
What is tidal volume?
✔✔Tidal volume is the amount of air inhaled or exhaled during normal breathing.
What does the term "dead space" refer to in respiratory physiology?
✔✔Dead space refers to areas of the respiratory system where gas exchange does not occur, such
as the trachea and bronchi.
What is the role of the diaphragm in respiration?
✔✔The diaphragm contracts and flattens to increase the thoracic cavity's volume, allowing air to
be drawn into the lungs.
How is oxygen transported in the blood?
1
,✔✔Oxygen is primarily transported in the blood bound to hemoglobin in red blood cells.
What is the significance of the partial pressure of gases in respiration?
✔✔The partial pressure of gases is significant because it drives the diffusion of oxygen and
carbon dioxide between the alveoli and the blood.
What is the normal respiratory rate for adults at rest?
✔✔The normal respiratory rate for adults at rest is typically between 12 and 20 breaths per
minute.
What is hypoxia?
✔✔Hypoxia is a condition where there is a deficiency of oxygen in the tissues.
What is the function of surfactant in the lungs?
✔✔Surfactant reduces surface tension in the alveoli, preventing collapse and facilitating easier
breathing.
What does "minute ventilation" refer to?
2
,✔✔Minute ventilation refers to the total volume of air inhaled or exhaled in one minute.
What are the main muscles involved in forced expiration?
✔✔The main muscles involved in forced expiration include the abdominal muscles and the
internal intercostal muscles.
What is the primary control center for respiration in the body?
✔✔The primary control center for respiration is located in the brainstem, specifically in the
medulla oblongata and pons.
What is the purpose of pulse oximetry?
✔✔Pulse oximetry is used to measure the oxygen saturation level in the blood non-invasively.
How does carbon dioxide affect respiratory drive?
✔✔Elevated levels of carbon dioxide in the blood stimulate an increase in the rate and depth of
respiration.
What is the function of the trachea in the respiratory system?
3
, ✔✔The trachea serves as a passage for air to move to and from the lungs, and it also helps filter,
warm, and moisten the air.
What is the primary site of gas exchange in the lungs?
✔✔The primary site of gas exchange in the lungs is the alveoli.
What is the role of the bronchial tree?
✔✔The bronchial tree conducts air from the trachea to the alveoli and helps filter and warm the
air.
What is respiratory acidosis?
✔✔Respiratory acidosis is a condition where the blood becomes too acidic due to carbon dioxide
retention, often due to inadequate ventilation.
What is the purpose of nasal turbinates?
✔✔Nasal turbinates increase the surface area in the nasal cavity, helping to warm, humidify, and
filter inhaled air.
What does "spirometry" measure?
4
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