Advanced CBR Defense DC 309 Practice Test 2026 - Complete Exam Prep

M-8 paper is specifically designed to detect certain types of chemical agents in their liquid form, focusing primarily on nerve agents and blister agents. Nerve agents, such as VX and sarin, disrupt normal neurotransmission, leading to severe physiological effects. Blister agents, such as mustard gas, cause severe skin and mucous membrane injuries upon contact, resulting in blisters and damage to internal organs upon exposure.

The choice of nerve and blister relates to their known characteristics as chemical warfare agents, which the M-8 paper is calibrated to identify effectively. M-8 paper changes color in the presence of these agents, providing a critical, immediate visual indication of potential chemical threats on the battlefield or in other hazardous environments.

Other options do not align with the specific detection capabilities of M-8 paper. For instance, blood agents refer to a different category of chemical agents that affect the body's ability to utilize oxygen, and are not specifically detected by M-8 paper, which is why they do not appear in the correct answer.