DCAP-BTLS is a mnemonic primarily used for:

The correct answer is C, which refers to assessing injuries during inspection and palpation. DCAP-BTLS is a well-known mnemonic in emergency care that stands for Deformities, Contusions, Abrasions, Penetrations, Burns, Tenderness, Lacerations, and Swelling. This mnemonic helps responders conduct a systematic assessment of a patient's injuries during an examination. By remembering these categories, first responders can ensure they check for critical injury signs while performing a physical assessment.

Using DCAP-BTLS allows individuals to swiftly identify visible injuries and anomalies that may not be immediately apparent, ensuring that they provide comprehensive care and prioritize serious conditions effectively. This tool is central to the evaluation phase, particularly in outdoor emergency situations where time and accurate assessment can significantly impact patient outcomes.

The other options involve different aspects of patient interaction but do not align with the purpose of the DCAP-BTLS mnemonic. Evaluating mental status requires different assessments and scales, documenting patient history focuses on collecting relevant information about the patient's medical background, and determining transport methods pertains to deciding how to move a patient, which doesn't involve injury assessment.