CBRN Defense Procedures Flashcards
7 cards from real FMF practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 CBRN Defense Procedures flashcards as text
What is the minimum safe distance a Marine should maintain from a nuclear detonation site to avoid prompt radiation effects in the open?
Answer: It depends on the yield of the weapon and cannot be generalized
Safe distance from a nuclear detonation is yield-dependent; CBRN planning uses nuclear weapon effects calculators based on weapon yield, burst height, and threat axis.
Which agent class attacks the respiratory system by damaging lung tissue, causing pulmonary edema?
Answer: Choking agents
Choking agents such as phosgene (CG) and chlorine attack lung tissue, causing pulmonary edema (fluid buildup) that can lead to suffocation.
In the context of CBRN reconnaissance, what does the term 'hazard area' refer to?
Answer: The geographic area where CBRN hazards pose a risk to personnel and equipment
A hazard area is any geographic region where CBRN contamination or hazards exist at levels that could harm personnel or degrade equipment.
What is the purpose of the pyridostigmine bromide (PB) tablet issued to Marines prior to potential nerve agent exposure?
Answer: It acts as a pretreatment to enhance the effectiveness of ATNAA antidotes
PB tablets are a pretreatment that reversibly inhibits cholinesterase, protecting some enzyme from nerve agent attachment and enhancing ATNAA antidote effectiveness.
Which CBRN detection device uses an electrochemical cell to detect nerve agents in vapor form?
Answer: M8A1 Automatic Chemical Agent Alarm
The M8A1 uses an electrochemical cell sensor that responds to nerve and blister agent vapors and automatically triggers an audible alarm.
During MOPP gear exchange (MGE), why must one team member remain in full MOPP 4 throughout the process?
Answer: To assist the person exchanging gear and prevent self-contamination of clean equipment
One team member stays in full MOPP 4 to assist the individual exchanging gear, ensuring clean MOPP suit is not contaminated and helping with buddy-aid during the process.
What does the term 'threshold exposure' mean in the context of CBRN hazards?
Answer: The minimum amount of agent that produces a detectable physiological or toxic effect
Threshold exposure is the minimum dose of a CBRN agent that produces a measurable or detectable effect in an exposed individual.