Which factor predominantly influences the rightward shift of the oxygen dissociation curve?
ApH (Bohr effect)
B2,3-Bisphosphoglycerate (2,3-BPG)
CTemperature increase
DCarbon monoxide levels
Compensating mechanism involved in acclimatization to altitude is:
ARespiratory depression
BHypoventilation
CHyperventilation
DRespiratory acidosis
A healthy, 37-year-old woman loses her job at the auto factory. She picks up her three young children from school and is involved in a road traffic accident. Her 5-year-old son sustains a severe head injury. The woman was not hurt in the accident but is hyperventilating as she sits in the waiting room at the hospital. She complains of feeling faint and has blurred vision. Which of the following is decreased in this woman?
AArterial pH
BCerebral blood flow
CArterial oxygen content
DArterial oxygen tension (PO2)
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