what is the best method of decontamination cbrn quizlet

Treatment of patients suffering from pulmonary agent exposure should focus on? During a personal wipe down, which of the following is the best standard decontaminant for equipment exposed to a hazardous chemical agent? delayed until past the time of bone marrow suppression and delayed wound healing. Initially from a priority standpoint, emergency decontamination is more concerned with . Decontamination will be conducted in the __________ hazard zone. 1. (b) Show that if your mass is 60kg60 \mathrm{~kg}60kg your acceleration while pushing will be 0.5m/s20.5 \mathrm{~m} / \mathrm{s}^20.5m/s2. What do you do first? Solidifying liquid or gel contaminants can enhance their physical removal. Scrubbing/scraping. A viscous fluid (specific weight =80lb/ft3;=80 \mathrm{lb} / \mathrm{ft}^3 ;=80lb/ft3; viscosity =0.03lbs/ft2=0.03 \mathrm{lb} \cdot \mathrm{s} / \mathrm{ft}^2=0.03lbs/ft2 ) is contained between two infinite. The chemical, physical, and toxicological properties of the wastes. Another series of arrows pointing downward go to another rectangle, the Remove SCBA final decon area. Be incompatible with the hazardous substances being removed (Le., a decontamination method may react with contaminants to produce an explosion, heat, or toxic products). These are available commercially as wash additives or anti-static sprays. The brucellae are highly infectious via the aerosol route and brucellosis is associated with a high mortality rate. 14. Stations should be separated physically to prevent cross contamination and should be arranged in order of decreasing contamination, preferably in a straight line. The extent of their decontamination should be determined by the types of contaminants they may have contacted and the type of work they performed. Air Tanks or Face Masks and Cartridge Depending on Level, a. Dressing Trailer is Needed in Inclement Weather, a. Determine the decontamination equipment needed. Removal of electrostatically attached materials can be enhanced by coating the clothing or equipment with anti-static solutions. Solidification. No scabs are present. Evaporation of volatile liquids can be enhanced by using steam jets. Consult specialists if necessary. The CANA is given only as a buddy-aid treatment for which of the following reasons? 2. If worker leaves Exclusion Zone to change air tank, this is the last step in the decontamination procedure. (Continue to decision arrow below) Further Medical Attention or Surveillance Required? 6. All personnel should be trained in the Standard Operating Procedures for minimizing contact and maximizing worker protection, and these procedures should be enforced throughout site operations. Rinse off decon solution using copious amounts of water. 2. The decontamination of large numbers of casualties is currently most often . If No, (Arrow to box on right side) Perform Life-Saving Procedures. 1.1 The objective of these procedures is to minimize the risk of exposure to hazardous substances. Cover equipment and tools with a strippable coating which can be removed during decontamination. What are the proper masking procedures? on plastic drop cloths or in different containers with plastic liners. Encase the source of contaminants, e.g., with plastic sheeting or overpacks. The Station 8 numbered hexagon has two arrows, the first arrow points to Station 9: Change and Redress - Boot Cover/Outer Gloves, which has an upward arrow that crosses the HOTLINE reentering the EXCLUSION ZONE, and the second arrow, continuing downward to Station 10: Safety Boot Removal, to Station 11: Fully Encapsulating Suit with Hard Hat Removal, to Station 12: SCBA Backpack Removal, to Station 13: Inner Glove Wash, to Station 14: Inner Glove Rinse, to Station 15: Face Piece Removal, to Station 16: Inner Glove Removal, to Station 17: Inner Clothing Removal which has an arrow crossing downward past the CONTAMINATION CONTROL LINE, to Station 18: Field Wash (within the SUPPORT ZONE), which has an arrow across to Station 19: Redress, the final station. If Yes, (Arrow to third box below) Are the decontamination materials compatible with the materials to be decontaminated? 3. he states he was splashed with a loarge quantity of liquid and is now exhibiting symptoms of vomiting, diarrhea, difficulty breathing, body twitching and is generally very weak. Patient reports fever started several days before blisters appeared. Open sorbent pack 4. Use tepid decontamination water. If worker leaves exclusion zone to change canister (or mask), this is the last step in the decontamination procedure. If you are capable of injecting yourself with an ATNAA during self-aid, you do not need the CANA. Deposit in container with plastic liner. While maneuvering to a new position, your field protective mask's seal is broken briefly exposing your eyes to the CWA. Deposit equipment used on site (tools, sampling devices and containers, monitoring instruments, radios, clipboards, etc.) Decontamination Equipment. On the NATO CBRN gas marker, additional required information includes date-time group (DTG) of when the contamination was detected and _______? 14. What is the preferred treatment to block the effects of excessive ACh? 12. The effects may take days or weeks to develop. Wear disposable outer garments and use disposable equipment where appropriate. This is particularly important when decontaminating personal protective clothing constructed of organic materials that could be damaged or dissolved by organic solvents. Remove inner gloves and deposit in container with liner. Wash chemical-resistant splash suit, SCBA, gloves and safety boots. Entry and exit points should be conspicuously marked, and the entry to the Contamination Reduction Zone (CRZ) from the Exclusion Zone should be separate from the entry to the Exclusion Zone from the CRZ. You are going to be a passenger in a vehicle providing security support to a convoy and need to change your M50 mask waist carry to shoulder carry configuration. Adhering contaminants. Place and secure hood around the edge of FPM You suspect Lewisite. cool down stations maybe set up within this area. 4. 1. Scrub outer boot covers and gloves with decon solution or detergent and water. What evidence indicates that annelids and mollusks are closely related? Avoid touching face with fingers. (Initial box on right side). Two arrows continue from the second divided Decon rectangle to a circle marked with an X that has an upward pointing arrow, that turns back toward the dashed HOTLINE to an area labelled Redress: Boot Covers and Outer Gloves, and crosses the dashed HOTLINE. Elevated levels of contaminants in the final rinse solution may suggest that additional cleaning and rinsing are needed. The Equipment Drop Area (from left to right) is indicated by a rectangle with a circle below indicating the location of the Plastic sheet and a right pointing arrow to another rectangle divided by a diagonal line into the Decon Outer Garments area and the Remove Boot Covers and Outer Gloves area with a circle below indicating the location of a 10 gallon can. Smallpox can spread from one person to another by the following routes: For which virus is the mosquito not known as a possible vector? exploded spraying them with an amber colored liquid that smells like flowers and burns intensely. Various decontamination methods are listed in Table 1. Wash backpack assembly with sponges or cloths. Wash hands and face if shower is not available. 3. Contamination of victims/casualties must be considered as part of the initial assessment and an effective method for rescue, decontamination and medical treatment must be provided. Consult specialists if necessary.(End). If Yes, (Arrow to second box below) Are the decontamination materials compatible with the hazardous substances present? Worker's air tank is exchanged. What type of biological toxin is predominately derived from the bean of the castor plant? Temperature. Each procedure should be performed at a separate station in order to prevent cross contamination. A)1.410101.4 \times 10^{-10} The Station 8 numbered hexagon has two arrows, the first arrow points to Station 9: Tank Change and Redress - Boot Cover/Outer Gloves, which has an upward arrow that crosses the HOTLINE reentering the EXCLUSION ZONE, and the second arrow, continuing downward to Station 10: Safety Boot Removal, to Station 11: Splash Suit Removal, to to Station 12: Inner Glove Wash, to Station 13: Inner Glove Rinse, to Station 14: Face Piece Removal, to Station 15: Inner Glove Removal, to Station 16: Inner Clothing Removal which has an arrow crossing downward past the CONTAMINATION CONTROL LINE, to Station 17: Field Wash (within the SUPPORT ZONE), which has an arrow across to Station 18: Redress, the final station. Three basic methods of decontamination are physical removal, chemical deactivation, and biological deactivation of the agent. The potential for wastes to permeate, degrade, or penetrate materials used for personal protective clothing and equipment, vehicles, tools, buildings, and structures. If No, (Arrow to box below) Decontaminate as much as possible. What is the (O) set identifier used for in a CBRN message report? A series of numbered hexagons point downward toward the CONTAMINATION CONTROL LINE.) The M256A2 Sampler Detector Kit CANNOT DETECT, Your M240 medium MG was contaminated with a non-persistent liquid nerve agent. Stow clear outsert and clear outsert pouch. If an air tank change is desired, this is the last step 1n the decontamination procedure. The procedures given are for the maximum and minimum amount of decontamination used for each level of protection. Contaminants can be located either on the surface of personal protective equipment or permeated into the PPE material. The solvent must be chemically compatible with the equipment being cleaned. Remove safety boots and deposit in container with plastic liner. They are: Respiratory Protection & Chemical Protective Garments. 5 Levels of MOPP. Dry air near sea level has the following composition by volume: N2\mathrm{N_2}N2, 78.08 percent; O2\mathrm{O_2}O2, 20.94 percent; Ar\mathrm{Ar}Ar, 0.93 percent; CO2\mathrm{CO_2}CO2, 0.05 percent. There are 4 main categories of physical and chemical means of decontamination: (1) heat; (2) liquid disinfection; (3) vapors and gases; and (4) radiation. Which of the following IS NOT one of the four CBRN alarm and warning guidelines? Smallpox, because the rash is centrifugal on the patient. Infinite positively charged sheet 1 has uniform surface charge density 1=+4.0nC/m2\sigma _ { 1 } = + 4.0 \mathrm { nC } / \mathrm { m } ^ { 2 }1=+4.0nC/m2 and is located in the yz plane of a Cartesian coordinate system. This version of the guides is in a format that is more appropriate for use in the field. Pose a direct health hazard to workers (e.g., vapors from chemical decontamination solutions may be hazardous if inhaled, or they may be flammable). Segregation at the drop reduces the. 9. For labs that process routine patient specimens, that microbial presence may exist in the form of bloodborne pathogens, bacteria, fungi, and even prions. Rinse with water. Removing clothing and washing with warm soapy water. 1. Another arrow from the circle marked with an X continues to a rectangle indicating the area to Remove Boots/Gloves and Outer Garments (For Disposal and Off Site Decontamination) with a circle below indicating the location of a 32 gallon can. A series of numbered hexagons point downward toward the CONTAMINATION CONTROL LINE.) reseal, clear and check mask. Decontamination protects workers from hazardous substances that may contaminate and eventually permeate the protective clothing, respiratory equipment, tools, vehicles, and other equipment used on site; it protects all site personnel by minimizing the transfer of harmful materials into clean areas; it helps prevent mixing of incompatible chemicals; and it protects the community by preventing uncontrolled transportation of contaminants from the site. Continuous rinsing with large volumes will remove even more contaminants than multiple rinsings with a lesser total volume. No scabs are present. How is the victim of nerve agent exposure presenting with convulsions classified? Which of the following statements does NOT describe Brucellosis? If No, (Arrow to box on left side below) Take additional measures to prevent contamination or find another decontamination method. (Continue to decision arrow below) Additional Emergency Care Required? Rinse off decon solution from station 2 using copious amounts of water. The decontamination site should NOT be located Near waterways and drainage systems What is the best method of decontamination? During hot weather operations, a cool down station may be set up within this area. How does cyanide cause cell death in the body? Discolorations, stains, corrosive effects, visible dirt, or alterations in clothing fabric may indicate that contaminants have not been removed. Outer Garment, Boots, and Gloves Wash and Rinse. 3.5 Many chemical agents have immediately observable medical effects2 and should be removed as rapidly as possible, even by resorting to emergency decontamination3 if necessary, to save life and prevent injury. If Yes, (Arrow to second decision diamond to the right) Contaminants Extremely Hazardous? Smallpox, because the rash is centrifugal on the patient. DC. If symptoms appear, use ATNAA. What Improvement to the M50 field protective mask (FPM) indicates that the M61 filters are no longer serviceable? The filter service life indicator turns blue. Victims caught in a fire have inhaled toxic smoke from furnishings and plastics that have released cyanide in the burning process. Your commander directs that crew-served weapons and ammunition would be decontaminated before the support vehicles and barrier material. Scrub outer boots, outer gloves and fully-encapsulating suit with decon solution or detergent and water. the potential for, and location of, exposure based on assigned worker duties, activities, and functions. c. 2-3 Long-Handled. Presidential Policy Directive-8 Decontamination will be conducted in the __________ hazard zone. Buckets, brushes, clothing, tools, and other contaminated equipment should be collected, placed in containers, and labeled. what is the best method of decontamination cbrn quizlet. In general, all fasteners should be used (i.e., zippers fully closed, all buttons used, all snaps closed, etc.) Removal of adhesive contaminants can be enhanced through certain methods such as solidifying, freezing (e.g., using dry ice or ice water), adsorption or absorption (e.g., with powdered lime or kitty litter), or melting. Type of decontamination that is carried out by a unit to reduce contamination equal to natural background or to the lowest level possible. CBRNE is an acronym for Chemical, Biological, Radiological, Nuclear, and high yield Explosives. Deposit equipment used on site (tools, sampling devices and containers, monitoring instruments, radios, clipboards, etc.) The amount of radiation that an individual absorbs depends on ____? Ultraviolet light. Which of the following is not a consideration during treatment of the victims? Emergency Preparedness and Response Course -, Emergency Preparedness and Response Course, Emergency Preparedness and Response Course- C, Emergency Preparedness Response Course (EPRC), Emergency preparedness and response course- C. What toxin do you suspect and how do you treat it? Decontamination methods may: The chemical and physical compatibility of the decontamination solutions or other decontamination materials must be determined before they are used. During hot weather operations, a cool down station may be set up within this area. It is reported that the smell of bitter almonds is in the air. They are: Respiratory Protection & Chemical Protective Garments. Decontamination reduces the microbial contamination of materials or surfaces and is accomplished through the use of a chemical disinfectant. Appropriate equipment and clothing for protecting decontamination personnel should be selected by a qualified health and safety expert. Removal of Contaminated Surfaces Disposal of deeply permeated materials, e.g., clothing, floor mats, and seats. Await further guidance. stand for? 37.3/NTTP 3-11.26/AFTTP(I)3-2.60, CBRN Decontamination: Multiservice Tactics, Techniques, and Procedures for Chemical Biological Radiological and Nuclear Decontamination, April 2006. Contact higher headquarters (HQ) if no contamination is found or if you determine the attack was non-CB. initial medical treatment after an incident but not involved with decontamination? Infinite negatively charged sheet 2 is parallel to sheet 1 and has uniform surface charge density 2=8.0nC/m2\sigma _ { 2 } = - 8.0 \mathrm { nC } / \mathrm { m } ^ { 2 }2=8.0nC/m2. Which of the following is considered a pulmonary (choking) agent? Hold breath, close eyes, don FPM, and pass alarm. Physical methods involving high pressure and/or heat should be used only as necessary and with caution since they can spread contamination and cause burns. The mechanisms of solidification are: (1) moisture removal through the use of absorbents such as grounded clay or powdered lime: (2) chemical reactions via polymerization catalysts and chemical reagents; and (3) freezing using ice water. Physical Removal- This process involves the relocation of a contaminating agent from its current location to a less critical location. Unmasking Procedures Without the M256-Series Chemical Detector Kit. 5. Rinsing removes contaminants through dilution, physical attraction, and solubilization. 1. Brucellosis is typically presents as a non-specific flu-like illness. Remove your headgear and remove glasses if worn The Mask Only command is given when Riot Control Agents (RCAs) are being employed, and no chemical-biological (CB) threat exists. A metallic taste in the mouth, epigastric distress, and possible nausea and vomiting are ingestion symptoms for which chemical agent? What do you do first? Remove and open canteen. Amyl nitrite, sodium nitrite, sodium thiosulfate. Multiple rinses with clean solutions remove more contaminants than a single rinse with the same volume of solution. Two arrows continue from the second divided Decon rectangle to a circle marked with an X that has an upward pointing arrow, that turns back toward the dashed HOTLINE to an area labelled Redress: Boot Covers and Outer Gloves, and crosses the dashed HOTLINE. If contaminants that have permeated a material are not removed by decontamination, they may continue to permeate to either surface of the material where they can cause an unexpected exposure. The longer a contaminant is in contact with an object, the greater the probability and extent of permeation. 9. Long handled brushes, rods, and shovels for dislodging contaminants and contaminated soil caught in tires and the undersides of vehicles and equipment. The primary toxicity of pulmonary agents is to the _____ and follows _____ of smoke, particles, valors, or gases. You are under overhead cover to prevent further contamination. skin-corrosive or skin-absorbable materials are known or suspected to be present. EPA Office of Emergency and Remedial Response. If the total blood volume of the individual is 5.2 L, how many grams of total blood cholesterol does the individual's body contain? The door is open; many victims are lying on the floor. If symptoms persist, seek assistance. Organic solvents include alcohols, ethers, ketones, aromatics, straight-chain alkanes, and common petroleum products. A patient presents to the emergency room all exhibiting the following symptoms: nausea, vomiting, problems with eye movement, dry mouth, sore throat, difficulty swallowing, no gag reflex, and extreme weakness. Remove mitt for decom kit 4. You approach the scene of a terrorist incident that occurred 2 minutes prior in an enclosed room. Scrub outer boots, outer gloves and chemical-resistant splash suit with decon solution or detergent and water. 3. Which of the following is not a consideration during treatment of the victims? 1. Remove or neutralize contamination. Consult specialists if necessary. Properly stowing the AAL, accessories and mask. If Yes, (Arrow to fourth box below) Can appropriate decontamination materials or process pose health or safety hazards? How is the victim of a pulmonary agent exposure presenting with respiratory distress less than 4 hours after exposure classified? 'CBRN' is the abbreviation commonly used to describe the malicious use of Chemical, Biological, Radiological and Nuclear materials or weapons with the intention to cause significant harm or. He has been feeling ill since his return from safari in Africa a few days ago. Biological weapons have unique characteristics when compared to chemical or nuclear and radiological weapons. Patient presents with 5-day-old blisters/rash mostly on the arm, face, and hands. If No, (Arrow to box on left side below) Take additional measures to prevent contamination or find another decontamination method. Another arrow from the circle marked with an X continues to a rectangle indicating the area to Remove Boots/Gloves and Outer Garments (For Disposal and Off Site Decontamination) with a circle below indicating the location of a 32 gallon can. As concentrations of wastes increase, the potential for permeation of personal protective clothing increases. Loose contaminants. Decontamination - the process of removing or neutralizing contaminants that have accumulated on personnel and equipment - is critical to health and safety at hazardous waste sites. 2. Decontamination is the act of minimizing the overall pathogenic microbial presence. Table 2 provides a general guide to the solubility of several contaminant categories in four types of solvents: water, dilute acids, dilute bases, and organic solvents. Team leader for M240 MMGT. Dressing stations for entry to the CRZ should be separate from redressing areas for exit from the CRZ.

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