A Client Collapses During a Marathon,complaining of Headache,weakness,dizziness,nausea,and Muscle Cramps

A client collapses during a marathon,complaining of headache,weakness,dizziness,nausea,and muscle cramps.The client's skin is moist,cool,and pale.Which of these actions should the nurse take?

A) Move client to a cool area,and administer copious amounts of water.
B) Loosen constrictive clothing,pour water over client,and place client near a fan.
C) Immerse client in cool-water bath,and initiate IV fluids.
D) Initiate IV fluid replacement,place client on cardiac monitor,remove clothing,and pour cool water over client.