Question
Easy
Mountaineers suffer nose bleeding at higher altitudes because :
1
The pressure in blood vessels exceeds outside pressure.
2
The pressure in blood vessels decreases than outside pressure.
3
The pressure in blood vessels equals the outside pressure.
4
Blood becomes thick at higher altitudes.
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P1
Chapter: Planet Earth & Environment
Topic: Mountaineering Basics
Correct Answer
Option A
Explanation
Mountaineers often experience nosebleeds at higher altitudes due to the physiological effects of reduced atmospheric pressure. Let's explore why Option 1 is the correct answer and why the other options are incorrect. 1. Explanation for Option 1 (Correct Answer): At higher altitudes, the atmospheric pressure is significantly lower than at sea level. This decrease in external pressure means that the pressure inside the blood vessels, which remains relatively constant, becomesтАжRead More
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