HMS, BM EQ-Bank 130 MC

A rock climber shows early signs of dehydration during an outdoor session. Which combination of body systems is FIRST affected requiring first aid attention?

Digestive and skeletal systems
Muscular and respiratory systems
Circulatory and integumentary systems
Nervous and endocrine systems

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\(C\)

Show Worked Solution

C is correct: Reduced blood volume affects circulation first, while sweating mechanism (integumentary system) is directly impacted.

Other Options:

A is incorrect: Secondary systems affected as dehydration progresses
B is incorrect: Affected after circulatory changes occur
D is incorrect: Impacted in later stages of severe dehydration