HMS, BM EQ-Bank 947 MC

A tennis player is competing in a tournament on a hot day. Which of the following is an early sign of dehydration that might affect their movement efficiency?

Thirst and dry mouth
Muscle cramps
Dizziness
Confusion and disorientation

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\(A\)

Show Worked Solution

A is correct: Thirst and a dry mouth are among the first signs of fluid loss, appearing before movement is noticeably affected.

Other Options:

B is incorrect: Muscle cramps occur with advanced fluid and electrolyte loss.
C is incorrect: Dizziness indicates moderate to severe dehydration.
D is incorrect: Confusion indicates severe dehydration affecting the nervous system and requires emergency care.