Altitude and Diving Physiology — Flashcards

Altitude and Diving Physiology — Flashcards

Altitude and Diving Physiology — Flashcards

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16 flashcards
10 chapters
Study NotesQuestions
#1

ascent should not be > _____ meters/minute to avoid mountain sickness

#2

mountain sickness is seen in altitudes of >_____ meters

#3

In response to high altitude, there is chronic hypoxic pulmonary vasoconstriction which results in pulmonary _____ and RV hypertrophy

#4

Exercise adaptation at high altitudes:_____ in pulmonary ventilation upon rising to a high altitude* blows off large quantities of CO2, reducing the PCO2

#5

Exercise adaptation at high altitudes:To make up for the respiratory alkalosis, kidneys _____ hydrogen ion secretion and increase bicarbonate excretion.

#6

Gas emboli occur due to bubbling of _____ out of blood, due to rapid ascent by a diver

#7

At _____ altitude the partial pressure gradient of O2 is lower and thus equilibration takes longer

#8

High altitude initially causes _____ alkalosis and hypoxia, which may cause acute altitude sickness

#9

During acclimatization at higher altitude, the sensitivity of central and peripheral chemoreceptors _____creases

#10

Exercise adaptation at high altitudes:_____ pH inhibits brain stem and reduces maximal exercise effort

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