OPSC OAS 2020 PrelimsScience & TechnologyQuestion 8
Solved previous year question from the OPSC OAS/OCS 2020 Preliminary Examination (General Studies), with the official answer key and a detailed explanation.
Question
Bleeding from nose is caused when a person is there at:
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Answer & Explanation
Correct answer: (A) Higher altitudes where atmospheric pressure is low
- Bleeding from the nose (nasal bleeding or epistaxis) occurs when a person goes to higher altitudes where the atmospheric pressure is low. This happens due to the significant difference between the internal blood pressure of the body and the external atmospheric pressure.
