Practice Questions on MOPP, Nerve Agent
Antidotes, NBC Reports &
Decontamination Procedures | Complete
Study Guide
Description:
Master CBRN defense for 2026-2027 with 85 exam-style questions covering JSLIST,
MOPP levels, ATNAA administration, chemical agent identification, nuclear burst
effects, and decontamination operations. Updated to current FM 3-11 standards.
Download the complete 2026-2027 study guide to pass your certification on the first attempt.
, CBRN Exam Prep 2026-2027 | 85 Questions & Answers
Course Code: CBRN-301
Subject: Chemical, Biological, Radiological, and Nuclear Defense Operations
Academic Year: 2026/2027
Total Questions: 85
Section 1: Personal Protective Equipment and MOPP
Question 1
What does the acronym JSLIST represent?
A) Joint Service Lightweight Integrated Suit Technology
B) Joint Standard Logistics Interface Suit Technology
C) Joint Service Layered Insulation Suit Technique
D) Joint Survival Lightweight Integrated System Technology
Answer: A
Explanation: JSLIST stands for Joint Service Lightweight Integrated Suit Technology. This
is the standard protective ensemble used by U.S. military forces to defend against chemical
and biological hazards.
Question 2
What does MOPP represent in CBRN defense operations?
A) Mission Oriented Protective Posture
B) Maximum Operational Protective Protocol
C) Military Operational Preparedness Plan
D) Maneuver Oriented Personnel Protection
Answer: A
Explanation: MOPP stands for Mission Oriented Protective Posture. It is a flexible system
of protective equipment levels (MOPP 0 through MOPP 4) that allows commanders to adjust
protection based on assessed threat levels.
Question 3
Soldiers in MOPP 4 may lose approximately how much water per hour through perspiration?
A) 0.5 quart or less
B) 1 quart or more
, C) 2 quarts or more
D) 1 pint on average
Answer: B
Explanation: In MOPP 4 (full protective posture including mask, hood, suit, gloves, and
overboots), soldiers can lose one quart or more of water per hour through perspiration.
Question 4
When fitting the protective mask, in what sequence should the straps be tightened?
A) Cheek straps, forehead straps, temple straps
B) Temple straps, cheek straps, forehead straps
C) Forehead straps, cheek straps, temple straps
D) Forehead straps, temple straps, cheek straps
Answer: C
Explanation: The correct tightening sequence is forehead straps first, followed by cheek
straps, then temple straps. This sequence ensures proper facial seal and prevents mask
slippage.
Question 5
The protective mask will not protect against which two types of gases?
A) Chlorine gas and hydrogen sulfide
B) Mustard gas and sarin
C) Ammonia vapors or carbon monoxide
D) Phosgene and nitrogen dioxide
Answer: C
Explanation: The protective mask filters airborne particulates and chemical warfare agents
but does not protect against ammonia vapors or carbon monoxide. Ammonia can penetrate
certain filter components, while carbon monoxide requires specialized catalytic conversion.
Section 2: Chemical Agents and Detection
Question 6
What does C.B.R.N. stand for?
A) Chemical, Biological, Radiological, and Nuclear
B) Combat, Biological, Radiological, and Neutralization
C) Chemical, Ballistic, Radiological, and Neurotoxic