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1 _______. Pain has an emotional component and is not the same for everyone, which makes it notoriously difficult to measure and compare. 2_______. Children, for example, have a greater sensitivity to pain than adults, and despite the common view to the contrary, many studies show that men have a higher pain threshold than women.
3_______. Acute pain is short-term, and chronic pain lasts longer than the injury that caused it.
The body’s organs contain few pain-receiving nerve endings, so internal injuries often cause referred pain, where pain is felt in another, unrelated part of the body. 4_______.
Pain is an essential survival mechanism, for it warns us that something is wrong
Tolerance of pain is influenced by genes, culture, conditioning, and education
Pain is either acute or chronic
This is why, for example, the pain of a heart attack is felt in the left shoulder, arm, or hand