Final answer:
When responding to a 'man down' situation with an unresponsive, pale, and cold patient with a weak pulse, it is important to avoid rough handling and maintain body heat.
Step-by-step explanation:
When you receive a call for a 'man down' situation with an unresponsive, pale, and cold patient with a weak pulse, it is important to take appropriate actions to provide immediate care. In this scenario, the correct course of action is to b) Avoid rough handling and maintain body heat. Rough handling can cause further harm to the patient, and maintaining body heat is crucial to prevent further cooling of the body. Rapidly rewarming the patient or moving the patient's extremities can potentially worsen the condition or cause harm.