HCB 102 Unit 4 Questions with Detailed Verified Answers

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HCB 102 Unit 4 Questions with
Detailed Verified Answers

Question:Airway


Ans: The passageway by which air enters and leaves the body. The structures
of the airway are the nose, mouth, pharynx, larynx, trachea, bronchi, and
lungs


Question: Alveolar ventilation


Ans: The amount of air that reaches the alveoli


Question: Artificial Ventilation


Ans: Forcing air or oxygen into the lungs when a patient has stopped
breathing or has inadequate breathing. Also called positive pressure
ventilation


Question: Apnea


Ans: Absence of breathing


Question: Bronchoconstruction

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Ans: The contractions of smooth muscle that lines the bronchial passages that
results in a decreased internal diameter of the airway and increased resistance
of airflow.


Question: Cellular Respiration (internal respiration)


Ans: The exchange of oxygen and carbon dioxide b/w cells and circulating
blood


Question: Cyanosis


Ans: A bluish or purplish color of the skin due to insufficient oxygen levels in
the blood


Question: Diffusion


Ans: the process by which molecules move from an area of higher
concentration to an area of lower concentration


Question: Dyspnea


Ans: Difficult or labored breathing; shortness of breath


Question: Flail chest


Ans: fracture of two or more adjacent ribs in two or more places that allows
for free movement of the fractured segment


Question: Flowmeter

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Ans: A valve that indicates the flow of oxygen in liters per minute


Question: Hypoxia


Ans: A deficiency in the amount of oxygen reaching the tissues


Question: Intercostal


Ans: Situated or extending b/w the ribs


Question: Nasopharyngeal airway


Ans: Flexile breathing tube inserted through the patient's nostril into the
pharynx to help maintain an open airway


Question: Oropharyngeal airway


Ans: Curved device inserted through the patient's mouth into the pharynx to
help maintain an open airway


Question: Paradoxical motion


Ans: Movement of the ribs in flail segment that is opposite to the direction of
movement of the rest of the chest cavity


Question: Patent airway