____ is almost universally common in people who travel above 6,000 feet (2,000 meters) and is a key indicator of acute mountain sickness.

Question

Quizplus · Accepted Answer

Headache is a key indicator of acute mountain sickness and is almost universally common in people who travel above 6,000 feet (2,000 meters). While nausea, vomiting, and hyperventilation may also be symptoms of acute mountain sickness, they are not as commonly present as headaches.

____ Is Almost Universally Common in People Who Travel Above