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Statistics for Respiratory physiology definitions

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General Stats

This quiz has been taken 28 times
The average score is 4 of 17

Answer Stats

Definition	Answer	% Correct
surface-active lipoprotein complex formed by type II pneumocytes that reduces surface tension.	surfactant	55%
lung volume representing normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied.	tidal volume	55%
collapse or closure of a lung	atelectasis	50%
volume of air present in the lungs at the end of passive expiration.	functional residual capacity	25%
hypothetical pressure of a particular gas if it alone occupied the volume of the mixture at constant temperature	partial pressure	25%
maximum amount of air a person can expel from their lungs after maximum inhalation	vital capacity	25%
breakdown of lung tissue from inflammatory response to long-term exposure to irritants	emphysema	20%
pressure within the pleural cavity	intrapleural pressure	20%
a person's maximum speed of expiration	peak expiratory flow	15%
volume of gas per unit time that reaches the alveoli. tidal volume-dead space.	alveolar ventilation	10%
haemoglobin's affinity for oxygen is inversely related to both acidity and CO2 concentration	Bohr effect	10%
when the alveoli are perfused as normal, but ventilation fails to supply the perfused region	pulmonary shunt	10%
amount of air moved in or out of the lungs per minute	total ventilation	10%
opposition to flow caused by forces of friction in respiratory tract	airways resistance	5%
measure of the transfer of gas from air in the lung into erythrocytes in lung blood vessels	diffusing capacity	5%
measure of the lung's ability to stretch and expand	pulmonary compliance	5%
volume of air that is inhaled but does not take part in the gas exchange, either because it remains in conducting airways or reaches alveoli that are not perfused/ poorly perfused.	respiratory dead space	5%

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