Quiz 15 - Chapters 36 - 39

_____________ is defined as the ability to reach the patient.; A.; Access; is defined as the ability to reach the patient.;

A 33-year-old, restrained, driver of a motor vehicle crash, is awake and alert, complaining only of neck pain. ; The vehicle is stable, and no hazards are present.; When removing this patient from his vehicle, you should: B.; immobilize him with a vest-style device.;

After recognizing that an incident involves a hazardous material, you should contact the hazardous materials team, and then: C.; take measures to ensure the safety of yourself and others.;

A Level 4 hazardous material: D.; requires specialized gear, designed for protection against that particular hazard.;

According to the start triage system, what should you do, if you encounter an unresponsive patient, who is not breathing?; A.; Open the airway and reassess breathing status.;

A critical function of the safety officer is to: B.; stop an emergency operation whenever a rescuer is in danger.;

While using lights and siren, most state laws permit an ambulance to: C.; carefully exceed the posted speed limit.;

A disposable oxygen humidifier should be considered for ambulance services that often transport patients on runs longer than: A.; 1 hour.;

A carboy is a container that would most likely be used to store and transport: B.; corrosives;

A patient in respiratory arrest, at the scene of a mass-casualty incident, would typically be classified as a fourth priority; black tag; expectant; patient, unless: D.; there are enough resources to provide care for him or her.;

A supervisor who has more than seven people reporting to him or her: C.; has exceeded an effective span of control, and should divide tasks, and delegate the supervision of some tasks, to another person.;

A patient who has experienced a back injury, with, or without spinal cord damage, would be triaged with a __________ tag, during a mass-casualty incident.; D.; yellow;

At present, the likelihood of a nuclear attack, against the United States, is very low because:; A.; terrorist nations do not have the ability to deliver a nuclear weapon, via missile or bomb.;

A persistent, or nonvolatile chemical agent can:; B.; remain on a surface for more than 24 hours.;

Which rays easily penetrate through the human body, and require several inches of lead, or concrete, to prevent penetration.; Answer; D.; Gamma;

A weapon of mass destruction; W.M.D., is most accurately defined as: B.; any agent used to bring about mass death, casualties, or massive infrastructural damage.;

The chemical attacks, that occurred in Tokyo, between 1994 and 1995, were carried out by a(n):; A.; violent religious group.;

According to the Department of Homeland Security Advisory System, the color orange, indicates a _______ risk of terrorist attacks.; B.; a high; risk of terrorist attacks.;

According to the Jump start triage system, if a pediatric patient has a respiratory rate of 40 breath-per-minute, you should: B.; assess for a distal pulse.;

According to the Jump start triage system, if a pediatric patient is not breathing, you should: A.; immediately check for a pulse.;

You are triaging patients at the scene of a multiple vehicle crash, when you encounter a young male, who is unresponsive, and is not breathing.; After you open his airway, he begins to breathe, at a rapid rate.;

According to the start triage system, you should: D.; tag him as immediate; red;, place him in the recovery position, and move to the next patient;

Equipment and supplies that are carried on an ambulance should be stored: B.; according to the urgency and frequency of their use.;

After assessing your patient, you determine that his condition is stable. You provide the appropriate treatment and then load him into the ambulance. While en route to the hospital, you should: A.; turn your emergency lights off and obey all traffic laws.;

According to the start triage system, what should you do, if a patient is found to have a respiratory rate of 24 breath-per-minute?; C.; Assess for bilateral radial pulses.; then Assess his or her neurologic status.;

After primary triage, the triage supervisor, should communicate all of the following information, to the medical branch officer, except: B.; the recommended transport destination for each patient.;

When a helicopter must land on a grade, or uneven ground, you should:; B.; approach the aircraft from the downhill side.;

Aggressive ambulance driving may have a negative effect on other motorists because:; C.; it may not allow for their reaction time to respond to your vehicle.;

The Centennial Park bombing, during the 1996 Summer Olympics, is an example of:; A.; domestic terrorism.;

All of the following are vesicant agents, except:; A.; sarin.; B.; lewisite.; C.; sulfur mustard.; D. ph;osgene oxime.; Answer: A.; sarin.;

The type and severity of wounds, sustained from incendiary, and explosive devices, primarily depend on the: C.; patient's distance from the epicenter of the explosion.;

All of the following biologic agents, or diseases can be transmitted, from person to person, except: A.; ricin.;

You are standing by at the scene of a hostage situation, when the incident commander, advises you that one of his personnel has been shot.; The patient is lying supine, in an open area, and is not moving.;

As the SWAT team escorts you to the patient, you should: C.; grab him by the clothes and immediately move him to safety.;

Historically, the weak point at most major incidents has been: D.; communication.;

As the first-arriving senior E.M.T., at the scene of an incident, you should perform a scene size-up and then: A.; establish command.;

Multiple people in a small town, began experiencing abdominal cramps, excessive salivation, and urination, and muscle twitching; shortly after a small crop duster plane made several passes, over the community.;

As you are assessing the patients, you further determine, that most of them are bradycardic, and have miosis.; In addition to 100% oxygen, the most important treatment, for these patients includes:; C.; atropine and pralidoxime chloride; 2-pam.;

Command functions under the I.C.S. include all of the following, except: A.; triage officer.;

At a very large incident, the __________ section, is responsible for managing the tactical operations usually handled by the I.C. on routine E.M.S. calls.; B.; operations;

You are dispatched to a residence for a patient with chest pain; however, you are unfamiliar with the address, and cannot find the location in your map book.; A nearby police officer radios you and tells you that he knows how to get to the scene. You should:

B. turn off your lights and carefully follow the police officer to the scene.

According to the start triage system, which of the following patients, should be triaged as an immediate priority; red tag?;

B.; unresponsive with a respiratory rate of 34 breaths-per-minute;

If an incident increases in scope and complexity, the Incident Commander should consider: C.; relinquishing command to someone with more experience.;

Burn patients without airway compromise, and, patients with multiple bone, or joint injuries, should be marked with a; B.; yellow; triage at a mass-casualty incident.;

You are approaching an overturned tanker truck to assess the driver, who appears to be unconscious.; As you get closer to the vehicle, you note the smell of noxious fumes and find that you are in the midst of a vapor cloud.; What should you do?;

C.; Exit the area immediately and gather information for the HazMat team.;

Upon arriving at the scene of a major motor vehicle crash at night, you find that the safest place to park your ambulance is in a direction that is facing oncoming traffic. You should: A. turn your headlights off.;

Characteristics of a safe ambulance operator include: B. a positive attitude about the ability to tolerate other drivers.;

As the first arriving emergency responder, at the scene, of a suspected terrorist or W.M.D. incident, you should request additional resources, as needed and then:; B.; function as the incident commander, until additional personnel arrive.;

Cross-contamination occurs when:; D.; an E.M.T. is exposed to a victim, who has not yet been decontaminated.;

Interoperability, an important feature of the nims , refers to the ability of:

D.; agencies of different types or from different jurisdictions to communicate with each other.;

A type _____ ambulance features a conventional, truck cab-chassis with a modular ambulance body that can be transferred to a newer chassis as needed.; A. ; Type I; ambulance features a conventional, truck cab-chassis;

Delivering a patient to the hospital involves all of the following activities, except: D.; giving a verbal report to the triage clerk.;

Hydroplaning of the ambulance on wet roads would most likely occur at speeds of greater than _____ miles-per-hour.; D.; 30 miles-per-hour.;

During the transport phase of an ambulance call, it is most important to: C.; converse with the patient and provide reassurance.;

Which of the following statements, regarding the persistency, and volatility, of a chemical agent is correct?; D.; V.X., a highly persistent nerve agent, can remain in the environment, for weeks to months.;

Early signs and symptoms, of smallpox include all of the following, except:; A.; body aches.; B.; skin blisters.; C.; high fever.; D.; headaches.; Answer: B.; skin blisters.;

Which of the following statements regarding the rapid extrication technique is correct?; D.; The rapid extrication technique is indicated, if the scene is unsafe, and the patient is not entrapped in his or her vehicle.;

If a technical rescue team is required, at the scene, but is not present when you arrive, you should: B.; check with the incident commander to ensure that the team is en route.;

Common activities that occur while you and your partner are en route to the scene of an emergency call include all of the following, except: C. apprising the medical director of the nature of the call.

If hydroplaning of the ambulance occurs, the driver should: B.; gradually slow down without jamming on the brakes.;

For every emergency request, the dispatcher should routinely gather, and record all of the following information, except the:; D.; patient's medical history.;

If you properly assess and stabilize a patient at the scene,; driving to the hospital with excessive speed:; B.; will decrease the driver's reaction time.;

You have a critically injured patient in the back of your ambulance, ready to be transported.; There are other injured patients at the scene, and it will be approximately 10 minutes, before other ambulances will arrive.;

Law enforcement personnel are at the scene.; You should: C.; remain at the scene until at least one other ambulance arrives.;

You are triaging four patients who were involved in a head-on motor vehicle crash.; Which of the following patients should be assigned the highest, red triage category?; B.; a 49-year-old female with diabetes and difficulty breathing;

Level _____ hazardous materials would cause irritation on contact but only mild residual injury, even without treatment.; B.; Level 1 hazardous materials.;

In determining the potential, for a terrorist attack, you should routinely observe all of the following, on every call, except:; C.; weather conditions.;

Most cases of anthrax begin with: C.; flulike symptoms.;

Symptoms of both inhaled, and ingested ricin include:; A.; fever and headache.;

Most terrorist attacks:; D.; require multiple terrorists, working together.;

Upon arriving at the scene of a motor vehicle crash, you can see three patients,; one who is entrapped in his car, and two who have been ejected from their vehicle.; You should: C.; immediately request additional resources.;

Once entrance and access to the patient have been provided, you should: B.; perform a primary assessment.;

As soon as you leave the hospital and are en route back to your station, you should inform the dispatcher: A.; whether you are back in service.;

Portable and mounted suction units must be powerful enough to generate a vacuum of at least ____ mm Hg when the tubing is clamped.; C.; 300 mm Hg;

The six-pointed Star of Life emblem identifies vehicles that: B.; meet federal specifications as licensed or certified ambulances.;

Regardless of where portable, and mounted oxygen cylinders are stored in the ambulance, they must:; D.; be capable of delivering oxygen, at 1 to 15 liters-per-minute.;

You and your partner arrive at the scene, where a truck has crashed into a small building, injuring eight people.; You immediately request additional ambulances, and begin the triage process.; The first patient that you triage is a young female who is unconscious, and apneic.;

She has an open head injury, and her pulse is weak and thready. You should: D.; assign her a low priority and continue triaging.;

As you and your team are removing an unconscious patient from her wrecked car, you note that she has closed deformities to both of her legs, and a deformity to her left humerus. ;You should: C.; support the injured extremities and continue removal;

Situational awareness is most accurately defined as: B.; the ability to recognize any possible issues, once you arrive at the scene, and act proactively to avoid a negative impact.;

Trench collapses usually involve large areas of falling dirt, that weigh approximately _______ per-cubic-foot.; B.; 100 per-cubic-foot.;

The E.M.T.'s role at the scene of a search and rescue attempt is to: D.; stand by at the command post, until the person is located.;

You have just delivered a major trauma patient to the hospital.; Shortly after departing the hospital, dispatch advises you of another call. ;

The back of the ambulance is contaminated with bloody dressings, and is in disarray,; and you are in need of airway equipment and numerous other supplies. You should:; B.; advise the dispatcher that you are out of service and to send another unit.;

Which of the following statements regarding the unified command system is correct?; D.; Under the unified command system, plans are drawn up in advance, by all cooperating agencies, that assume a shared responsibility, for decision making.;

The development of an incident action plan is the responsibility of the: A.; planning section.;

Which of the following statements, regarding transport of patients, from a mass-casualty incident, or disaster site is correct?; B.; Immediate-priority patients should be transported two at a time.;

The first step in the start triage system is to:; C.; move all walking patients to a designated area.;

During a motor vehicle collision involving multiple patients, the Incident Commander would most likely: B.; designate a safety officer, but retain other command functions.;

The jump start triage system is intended to be used for children, younger than _____ years, or who appear to weigh less than _____.; D.; younger than 8 years, or who appear to weigh less than 100 pounds.;

When multiple patients present with an acute onset, of difficulty breathing, chest tightness, and hoarseness or stridor, you should be most suspicious of exposure to: D.; phosgene, or chlorine;

The least harmful form of ionizing radiation is: A.; beta.; B.; alpha.; C.; gamma.; D.; neutron.; Answer: B; alpha;

The process of removing dirt, dust, blood, or other visible contaminants from a surface or equipment is called: A.; cleaning.;

The least practical place to store a portable oxygen cylinder is: C. in the driver's compartment.

It is 10:30 PM and you have requested air medical transport, for a critically injured patient.; When you arrive at the designated landing zone, you should:; B.; survey the area for power lines or other hazards.;

The main objective of traffic control at the scene of a motor vehicle crash is to:; A.; warn oncoming traffic and prevent another crash.;

During a HazMat incident, you are working in the treatment area.; As patients are removed ,from the danger zone, you should: A.; remain where you are and have the patients brought to you.;

The most appropriate location to park your ambulance at a HazMat incident is: D.; upwind at least 100′ from the incident.;

A hiker was injured, when he fell approximately 20′ from a cliff.; When you arrive at the scene, a member of the technical rescue group, escorts you to the patient,; who is positioned on a steep incline.;

The most appropriate method of immobilizing, and moving the patient to the ambulance is to: A.; immobilize his spine, with a long backboard, and place him in a basket stretcher.;

The purpose of a jump kit is to:; D.; contain anything that you might need during the first 5 minutes of patient care.;

The most common and usually the most serious ambulance crashes occur at:; C.; intersections.;

A 19-year-old female has just been extricated from her severely damaged car.; She is on a long backboard and has been moved to a place of safety.; As your partner maintains manual stabilization of her head, you perform a rapid assessment.;

The patient is unconscious, has slow and shallow respirations,; and has bilaterally closed femur deformities.; You should: D.; direct your partner to begin ventilatory assistance.;

You are assessing a 30-year-old female, who presents with respiratory distress, and tachycardia, after she opened a package, that was delivered to her home.;

The patient tells you, that there was a fine white powder, on the package, but she did not think it was important.; This patient has most likely been exposed to: B.; anthrax;

When introduced into the body, ricin causes:; C.; pulmonary edema and circulatory failure.;

The primary clinical feature, associated with exposure to phosgene oxime is:; D.; skin blistering.;

The purpose of the incident command system I.C.S. is to: B.; ensure responder and public safety, achieve incident management goals, and ensure the effective use of resources.;

The process of removing or neutralizing and properly disposing of a hazardous material is called: B.; decontamination.;

The primary route of exposure of vesicant agents is the: A.; skin.;

The process performed, to artificially maximize the target population's exposure, to a biologic agent, thereby, exposing the greatest number of people, and achieving the desired effect, is called: D.; weaponization.;

Your primary concern, when arriving at the scene, of a motor vehicle crash is: D.; surveying the area for hazards.;

The reasons for rescue failure can be referred to by the mnemonic failure. ;According to this mnemonic, the "U" stands for: C.; underestimating the logistics of the incident.;

Following proper decontamination, a 30-year-old male is brought to you.; He is semiconscious and has rapid, shallow respirations.; A quick visual assessment reveals no obvious bleeding.; You should: A.; begin some form of positive-pressure ventilation.;

The reference used as a base for your initial actions at a HazMat incident is: D.; the Emergency Response Guidebook.;

Extrication is most accurately defined as: C.; removal from a dangerous situation or position.;

The rescue team is in the process of extricating a 40-year-old male from his truck.; The patient's wife, who was uninjured in the crash, is calmly observing the extrication and asks you if her husband will be all right.; You should: A.; ensure that she is in a safe area, away from the scene.;

You are attempting to gain access to a patient, who was injured when his truck struck another vehicle from behind.; The patient is conscious and alert, but is screaming in pain.; You try to open the door, but it is locked.; You should: B.; ask the patient if he can unlock the door.;

The scene size-up at a motor vehicle crash or other incident: A.; is an ongoing process until the incident is terminated.;

Typically medivac helicopters fly between: C.; 130 and 150 miles-per-hour.;

The use of lights and siren on an ambulance: A.; signifies a request for other drivers to yield the right of way.;

Which of the following patients should be assigned an immediate; red tag category?; A.; 22-year-old male with blunt abdominal trauma, tachycardia, pallor, and diaphoresis;

The; C.; staging; area is where incoming ambulances meet, and await further instructions, at the scene, of a mass-casualty incident.;

A 52-year-old male presents with a fever of 102.5 degrees, and a severe headache.; As you assess him, you note the presence of multiple blisters, on his face and chest, which are all identical, in shape and size.;

This patient's clinical presentation is most consistent with:; A.; smallpox.;

Which of the following statements, regarding anthrax is correct?; C.; Pulmonary anthrax is the most deadly form.;

To date, the preferred weapons of mass destruction, for terrorists have been:; A.; nuclear weapons.; B.; chemical weapons.; C.; biologic weapons.; D.; explosive weapons.; Answer: D.; explosive weapons.;

Placards and labels on a storage container are intended to: D.; give a general idea of the hazard inside that particular container.;

Unlike a mass-casualty incident, a natural disaster: A.; often requires personnel to remain on scene for several days.;

A disease vector is defined as:; B.; any agent that acts as a carrier or transporter.;

Unlike bacterial agents, viral agents:; C.; are usually not treatable.;

You are treating a patient who experienced a significant exposure to cyanide.; He is semiconscious, and is breathing inadequately.; The most appropriate method of providing assisted ventilations, to this patient is to: A.; use a bag-mask device.;

Unlike viruses and bacteria, neurotoxins: B.; are not contagious.;

Which of the following is not a role of the E.M.T. at the scene of a HazMat incident?; A.; rehabilitation B.; decontamination; C.; transportation; D.; triage and treatment; Answer; B.; decontamination;

Upon arriving at the scene of a possible hazardous materials or, HazMat, incident involving several patients, you should: C.; carefully assess the situation.;

When transporting a patient to the hospital, you should: D.; be safe, and get the patient to the hospital in the shortest practical time.;

Upon returning to your station following a run, you should disinfect the ambulance as needed. Disinfection is most accurately defined as:; B.; killing pathogenic agents with a chemical made for that purpose.;

Points of distribution; P.O.D.'s) are strategically placed facilities where:; C.; antidotes, antibiotics, and vaccines are distributed.;

Viral hemorrhagic fevers;V.H.F.; such as Ebola, cause the blood to:; B.; seep out of the blood vessels and tissues.;

A tour bus has overturned, resulting in numerous patients.; When you arrive, you are immediately assigned to assist in the triage process.; Patient 1 is a middle-aged, male with respiratory distress, chest pain, and a closed deformity to his right forearm.;

What triage categories should you assign to this patient?; Answer:Patient 1, immediate; red;

Patient 2 is a young, female who is conscious, and alert, but has bilateral femur fractures, and numerous abrasions to her arms and face. ;

What triage categories should you assign to this patient?; Answer:Patient 2, delayed; yellow;

Patient 3 is an older woman who complains of abdominal pain, and has a history of cardiovascular disease. ;

What triage categories should you assign to this patient?; Answer:Patient 3, immediate; red;

Patient 4 is unresponsive, is not breathing, has a weak carotid pulse, and has a grossly deformed skull.;

What triage categories should you assign to this patient?; Answer:Patient 4, expectant; black;

In general, medivac helicopters should be utilized when: D.; a patient has a time-dependent injury or illness and traffic conditions would cause a significant delay in definitive care.;

When approaching a helicopter, whether the rotor blades are moving or not, you should: A.; never duck under the body or the tail boom because the pilot cannot see you in these areas.;

Upon arriving at the scene, of a law enforcement tactical situation, you should ensure your own safety and then: B.; report to the incident commander for instructions.;

When determining the exact location, and position of the patient, in a wrecked vehicle, you and your team, should routinely consider all of the following, except: C. ; the make and model of the vehicle.;

Which of the following is a typical function of the rescue team?; C.; providing safe entry and access to patients;

When functioning at the scene of a motor vehicle crash, in which a patient will require complex extrication,; you should enter the vehicle, and provide care to the patient: C.; after receiving approval from the extrication officer.;

A 49-year-old man has been removed from his overturned tanker, which was carrying a hazardous material.; The tank ruptured and he was exposed to the material.;

When rescue personnel bring him to the decontamination area, they note that he is unconscious and has slow, shallow breathing.; They should: B.; cut away all of the patient's clothing and do a rapid rinse, to remove as much of the contaminating matter as they can.;

Other than personal safety equipment, which of the following should be the most readily accessible item in the back of an ambulance?; D.; bleeding control supplies;

When transporting a patient who is secured to a backboard, it is important to: A.; place deceleration straps over the patient's shoulders.;

General guidelines for safe ambulance driving include all of the following, except: C. ; regularly using the siren as much as possible.;

When working at the scene of a motor vehicle crash at night, you should not use: A.; road flares.;

The means by which a terrorist will spread a particular agent is called: A.; incubation.; B.; aerosolization.; C.; weaponization.; D.; dissemination.; Answer: D.; dissemination.;

Which of the following agents blocks the body's ability to use oxygen, and possesses an odor similar to almonds?; A.; hydrogen cyanide;

Which of the following statements, regarding a "dirty bomb" is correct?; B.; Dirty bombs could injure victims, with both radioactive materia,l and the explosive material, used to deliver it.;

Which of the following chemicals is a nerve agent?; A.; phosgene; B.; soman; C.; lewisite; D.; chlorine; Answer: B.; soman;

Which of the following statements regarding communications at a disaster or mass-casualty incident is correct?; D.; If possible, use face-to-face communications to minimize radio traffic.;

Which of the following is NOT a responsibility of the treatment supervisor?; A.; primary assessment;

When driving an ambulance on a multi-lane highway in emergency mode, you should: B.; remain in the extreme left-hand lane.;

Which of the following is an example of regional equipment or supplies?; C. ; snake bite kit;

Minimum airway and ventilation equipment, that should be carried on every ambulance, include all of the following, except: B.; Combitubes or laryngeal mask airways.;

Which of the following items would most likely require special protocols in order to be carried on the ambulance?; A.; P.A.S.G.;

Which of the following duties or responsibilities does not fall within the realm of the medical branch of the I.C.S.?; D.; extrication;

Which of the following most accurately describes a mass-casualty incident?; D.; an incident that greatly taxes or depletes a system's available resources;

Injuries or conditions that would be classified as first priority, that is, red tag; immediate; include all of the following, except: B.; fractures of multiple long bones.;

Which of the following questions is of least pertinence when the E.M.T. is determining whether or not to declare a mass-casualty incident and activate the I.C.S.?; C.; How many paramedics are able to respond to the scene and provide advanced care?;

When removing a critically injured patient from his or her vehicle, you should: C.; protect the cervical spine during the entire process.;

Which of the following situations would require the use of a specialized rescue team?; A.; a patient trapped in a cave or a confined space;

If the incident command system, I.C.S., is already established at the scene, of a W.M.D., or terrorist attack, the E.M.T. should: A.; locate the medical staging officer to obtain his or her assignment.;

Which of the following statements regarding blast injuries is correct?; B.; Solid organs are relatively protected from shock wave injury, but may be injured during the secondary, or tertiary blast phase.;

The; D.;transportation; supervisor, is responsible for notifying area hospitals, and determining their availability and capabilities.;

Which of the following statements regarding storage containers and hazardous materials is correct?; B.; In most cases, there is no correlation between the color of the container and the possible contents.;

When parking your ambulance at the scene of a motor vehicle crash, you should position the ambulance: B.; 100′ past the scene on the same side of the road.;

Which of the following statements, regarding the use of the warning lights and siren, on the ambulance is correct?; A.; If it is necessary to use the siren, you should tell the patient beforehand.;

After eating at a local restaurant, a 20-year-old male complains of blurred vision, difficulty speaking, and difficulty breathing.; He is conscious; however, his respirations are profoundly labored, and producing minimal tidal volume.; You should:; D.; assist his ventilations with 100% oxygen.;

Which of the following terrorist groups, poses the least threat, to a person's physical safety?; C.; technology terrorists;

General principles for approaching a potential HazMat incident include: D.; maintaining a safe distance and viewing the scene with binoculars.;

Which of your senses can be safely used to identify a HazMat incident?; A.; sight and sound;

A portable oxygen cylinder should have a capacity of a minimum of ____ of oxygen.; B.; 500 Liters of oxygen.;

While en route to a call for a patient in cardiac arrest, you approach a stopped school bus with its red warning lights flashing.; You should: D.; stop and wait until the warning lights stop flashing.;

Which of the following is the best example of gaining simple access to a patient?; B.; entering a vehicle through an open window;

You and your partner are standing by at the scene, of a residential fire, when you hear the incident commander state, "We have located a victim", over the radio.; You should: B.; remain with the ambulance and wait for fire personnel to bring the victim to you.;

Which of the following statements regarding hazardous materials is correct?; Some substances are not hazardous by themselves, but become toxic when mixed with another chemical.;

You and your partner are the first to arrive at the scene of a motor vehicle accident.; As you approach the scene, you can see multiple patients, some walking and others who are still in their vehicles.; You should: B.; declare a mass-casualty incident and request additional resources.;

Most terrorist attacks are: A.; covert.;

You and your partner arrive, at the scene of a fire at a large office complex.; Witnesses tell you that they heard a loud explosion, shortly before the building caught fire.; You should: B.; ensure that your ambulance is parked upwind, and uphill from the building.;

Maintaining a cushion of safety when operating an ambulance means: D.; keeping a safe distance between your ambulance and the vehicles in front of you and remaining aware of vehicles potentially hiding in your mirror's blind spots.;

You are en route to an emergency call when you approach a slow-moving vehicle on a two-way road. You can see oncoming traffic in the other lane. The driver has his windows up and does not realize that you are behind him. You should: D.; remain at a safe distance until it is safe to pass.;

Phases of an ambulance call include all of the following activities, except: A.; emergency care provided at the scene.;

Your unit and a fire department vehicle are responding to the scene of a patient in cardiac arrest.; As you approach an intersection that is highly congested, you should:; C.; use a different siren tone than the fire department vehicle.;

A unique consideration when dealing with a hybrid vehicle is that: D.; the battery has higher amperes than a traditional vehicle battery.;

Your unit has been dispatched to stand by at the scene of a structure fire.; There are no injuries of which you are aware.; Upon arriving at the scene, you should: D.; ask the incident commander where the ambulance should be staged.;

The function of the National Incident Management System; nims; is to: A.; prepare for, prevent, respond to, and recover from domestic incidents.;

Your work uniform is an example of what level of protection?; D.; Level D protection;

A 50-year-old female is entrapped in her passenger car after it struck a tree.; As the rescue team is preparing to extricate her, you quickly assess her;

and determine that she is breathing shallowly and that her radial pulse is absent.; You should: A.; maintain spinal stabilization as she is extricated.;