A 15-year-old girl develops a severe headache after a sudden increase in altitude. Which physiological process is primarily responsible for this symptom?
Q1. A 15-year-old girl develops a severe headache after a sudden increase in altitude. Which physiological process is primarily responsible for this symptom?
Answer: Increased carbon dioxide levels causing vasodilation
Explanation: Decreased oxygen availability causes vasodilation due to increased CO2 levels, leading to headache.