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29 Cards in this Set
- Front
- Back
Alveolus
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A thin-walled air sac of the lungs in which the exchange of oxygen and carbon dioxide takes place
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apnea
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the temporary cessation of breathing
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bradypnea
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An abnormal decrease in the respiratory rate of less than 10 respirations per minute
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cyanosis
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a bluish discoloration of the skin and mucous membranes first observed in the nailbeds and lips
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dyspnea
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shortness of breath or difficulty in breathing
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eupnea
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normal respiration
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exhalation
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the act of breathing out
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hyperpnea
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an abnormal increase in the respiratory rate of more than 20 respirations per minute
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hyperventilation
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an abnormally fast and deep type of breathing usually associated with acute anxiety conditions
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hypopnea
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an abnormal decrease in the rate and depth of respiration
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hypoxemia
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a decrease in the oxygen saturation of the blood; may lead to hypoxia
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hypoxia
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a reduction in the oxygen supply to the tissues of the body
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inhalation
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the act of breathing in
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orthopnea
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the condition in which breathing is easier when an individual is in a standing or sitting position
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pulse oximeter
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a computerized device consisting of a probe and monitor used to measure the oxygen saturation of arterial blood
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pulse oximetry
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the use of a pulse oximeter to measure the oxygen saturation of arterial blood
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Sao2
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Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood
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Spo2
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Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood as measured by a pulse oximeter
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tachypnea
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An abnormal increase in the rate and depth of respiration
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diastole
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the phase in the cardiac cycle in which the heart relaxes between contractions
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diastolic pressure
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the point of lesser pressure on the arterial walls
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hypertension
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high blood pressure
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hypotension
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low blood pressure
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meniscus
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the curved surface on a column of liquid in a tube
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pulse pressure
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the diffeence between the systolic and diastolic pressures
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sphygmomanometer
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an instrument for measuring arterial blood pressure
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stethoscope
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an instrument for amplifying and hearing sounds produced by the body
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systole
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the phase in the cardiac cycle in which the ventricles contract, sending blood out of the heart and into the aorta and pulmonary aorta
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systolic pressure
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the point of maximum pressure on the arterial walls
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