Ch. 41 AEMT Questions
Core body temperature in a patient suffering from heatstroke will usually be greater than: A. 104°F. B. 100°F. C. 107°F. D. 102°F.
104°F.
Typically, signs and symptoms of acute mountain sickness begin to manifest at elevations of _____________ meters or higher. A. 4,000 B. 2,000 C. 3,000 D. 1,000
2,000
Typically, signs and symptoms of acute mountain sickness begin to manifest at elevations of _____________ meters or higher. A. 3,000 B. 1,000 C. 2,000 D. 4,000
2000
Heat loss occurs ____ times faster in water than in dry air. A. 40 B. 25 C. 30 D. 50
30
Severe hypothermia occurs when the core body temperature is less than: A. 95 degrees F. B. 90 degrees F. C. 80 degrees F. D. 85 degrees F.
90 degrees F.
Generalized hypothermia is a condition in which the core body temperature drops below: A. 80 degrees F. B. 85 degrees F. C. 90 degrees F. D. 95 degrees F.
95 degrees F.
A 38-year-old male patient has been mowing his lawn with a push mower on a day with temperatures in the high 80s (F) and humidity levels over 80 percent. The patient is found sitting in the driveway of his home, complaining of excruciating cramps in his calf muscles. He is alert with warm, wet skin; respirations of 20 breaths per minute; a strong, regular radial pulse of 84 beats per minute; and a blood pressure of 124/82 mmHg. After moving the patient to the back of the air-conditioned ambulance, which of the following is indicated in the treatment of this patient? A. Placement of cold packs in the axillae and groin and vigorous fanning of the patient B. An oral electrolyte-containing solution C. IV lactated Ringer's solution and IV of 25 g 50 percent dextrose D. IV access and nitrous oxide
An oral electrolyte-containing solution
Which of the following explains Boyle's law? A. As the pressure of a gas increases, its volume will proportionally decrease. B. As the water temperature decreases, inhaled and exhaled gases will contract. C. The greater the pressure on a diver's body, the more gases will dissolve in body fluids. D. The partial pressure of oxygen in air remains a constant 21 percent, regardless of altitude.
As the pressure of a gas increases, its volume will proportionally decrease.
Which of the following patients has the BEST chance of surviving a drowning? A. An eight-year-old boy submerged in an icy pod pond for 40 minutes B. A 24-year-old female submerged in a murky pond for 15 minutes C. A 64-year-old female with a medical history of COPD submerged for five minutes in a swimming pool D. A 50-year-old male who is intoxicated submerged in an icy pond for 20 minutes
A 64-year-old female with a medical history of COPD submerged for five minutes in a swimming pool
You are caring for a deep-water diver who, upon surfacing 10 minutes ago, began complaining of severe pain in the ears, clear discharge from the nose and ears, dizziness, and tinnitus. What do you suspect? A. Decompression sickness B. Nitrogen narcosis C. Arterial gas embolism D. Barotrauma
Barotrauma
Which statement concerning drowning is TRUE? A. Cervical-spine injury is rare in drowning. B. The most common place of drowning for infants is in backyard pools. C. The first event that takes place in drowning is aspiration of large amounts of water into the lungs. D. Children aged one to five most frequently drown in lakes, rivers, and ponds.
Cervical-spine injury is rare in drowning
You respond to the city pool where a 16-year-old female was submerged for approximately five minutes after becoming unresponsive. Upon your arrival, the patient has been pulled from the water and resuscitative efforts have been started by the lifeguard. The patient has a weak but steady pulse and is taking spontaneous respirations. You note that she has a medical alert bracelet on that states she is a diabetic. What should you do next? A. Attach an AED and prepare to shock. B. Continue CPR and perform rescue breathing. C. Check the patient's blood glucose level and start an IV. D. Continue to perform rescue breathing only.
Check the patient's blood glucose level and start an IV.
A 32-year-old male is found unresponsive and apneic after being struck by lightning. Initial management of this patient will include which of the following? A. Determining the path of electrical current from the lightning strike B. Checking the pulse and initiating compressions if there is no pulse C. Gaining manual inline stabilization and placing the patient on a long backboard D. Managing any burns received from the lightning strike
Checking the pulse and initiating compressions if there is no pulse
What type of heat transfer occurs from the body to a cooler object by direct contact? A. Conduction B. Radiation C. Evaporation D. Convection
Conduction
You have extricated an injured patient from a vehicle on a cold, rainy, windy day. You lay the patient on a backboard that has been stored in an outside compartment of the vehicle and is cold to the touch. By which mechanism will the patient's heat loss increase because of using the cold backboard? A. Convection B. Radiation C. Conduction D. Evaporation
Conduction
What are the primary considerations in the assessment and management of a patient who has drowned? A. Correcting any threats to airway, breathing, and circulation B. Temperature of the water in which the patient drowned C. The age of the patient D. Management of spine injury
Correcting any threats to airway, breathing, and circulation
What are the primary considerations in the assessment and management of a patient who has drowned? A. Management of spine injury B. The age of the patient C. Temperature of the water in which the patient drowned D. Correcting any threats to airway, breathing, and circulation
Correcting any threats to airway, breathing, and circulation
You are on the scene of an MVC during a very cold windy day. What must you do to attempt to ensure that you do not become hypothermic while caring for your patient? A. Cover all exposed body parts. B. Drink plenty of warmed fluids. C. Take frequent breaks to warm up. D. Use heat packs to cover exposed areas.
Cover all exposed body parts.
Which of the following diving conditions is also called the bends? A. Barotrauma B. Nitrogen narcosis C. Decompression sickness D. Arterial gas embolism
Decompression sickness
You have been assigned to an ambulance standby at a local festival during a heat wave. What should you do to avoid the risk of you or your partner experiencing a heat-related illness? A. Drink plenty of water to avoid dehydration. B. Ask for a reassignment. C. Continually check your core body temperature. D. Drink plenty of caffeinated sports drinks for energy.
Drink plenty of water to avoid dehydration.
Which factor has the greatest impact on the survivability of a drowning? A. Age of patient B. Duration of submersion C. Overall health of the patient D. Temperature of the water
Duration of submersion
Which of the following refers to medical conditions resulting from changes in pressure? A. barotrauma B. Thermolysis C. Nitrogen narcosis D. Dysbarism
Dysbarism
Which of the following is a necessary step for the Advanced EMT to prevent hyperthermia during heat waves? A. Staying indoors as much as possible B. Drinking oral electrolyte replacement fluids C. Taking sodium supplements prior to working outdoors D. Gradual acclimatization to the heat prior to physical exertion
Gradual acclimatization to the heat prior to physical exertion
Which law states that the solubility of a gas in a liquid at a particular temperature is proportional to the pressure of that gas above the liquid? A. Boyle's law B. Charles' law C. Henry's law D. Dalton's law
Henry's Law
The formation of nitrogen bubbles in the blood, brain, spinal cord, inner ear, skin, muscles, and joints during a diver's rapid ascent describes which law? A. Charles' law B. Boyle's law C. Dalton's law D. Henry's law
Henry's law
A hiker at high altitude (greater than 8,200 feet) begins to complain of shortness of breath, coughing with frothy sputum, and weakness. What illness do you suspect? A. Acute mountain sickness B. High-altitude cerebral edema C. Heart failure D. High-altitude pulmonary edema
High-altitude pulmonary edema
Which anatomical structure of the brain reacts to signals sent by thermoreceptors about core temperature by activating temperature regulatory mechanisms? A. Medulla oblongata B. Hypothalamus C. Pons D. Thalamus
Hypothalamus
How can submersion in cold water influence the likelihood of survival of a drowning patient? A. Hypothermia decreases oxygen demand in the body. B. Submersion in cold water instantly causes laryngospasm, resulting in air staying in the lungs. C. Hypothermia increases oxygen demand in the body. D. There is no chance of survival after submersion in cold water.
Hypothermia decreases oxygen demand in the body.
How can submersion in cold water influence the likelihood of survival of a drowning patient? A. Submersion in cold water instantly causes laryngospasm, resulting in air staying in the lungs. B. Hypothermia decreases oxygen demand in the body. C. Hypothermia increases oxygen demand in the body. D. There is no chance of survival after submersion in cold water.
Hypothermia decreases oxygen demand in the body.
You are called to a possible drowning at a residential pool. On arrival you find your patient still submerged in water. Bystanders tell you that he dove off of the diving board, and they think he hit his head on the bottom of the pool. What is the MOST important intervention you should perform at this time? A. Immediate initiation of rescue breathing B. Immediate cervical-spine immobilization C. Immediate removal from the pool D. Immediate initiation of CPR
Immediate removal from the pool
A 12-year-old boy has fallen into a frozen pond while playing on the ice that covered it. First responders on scene have pulled the boy from the water but state that he was submerged for approximately 30 minutes. Assessment reveals the patient is pulseless and not breathing. CPR is in progress. What should you do next? A. Begin active rewarming with warmed IV fluids and heat packs. B. Immediately transport while continuing all resuscitative efforts. C. Stop all resuscitative efforts due to the length of time the patient was submerged. D. Check the patient's core body temperature to guide in treatment.
Immediately transport while continuing all resuscitative efforts.
A 12-year-old boy has fallen into a frozen pond while playing on the ice that covered it. First responders on scene have pulled the boy from the water but state that he was submerged for approximately 30 minutes. Assessment reveals the patient is pulseless and not breathing. CPR is in progress. What should you do next? A. Check the patient's core body temperature to guide in treatment. B. Begin active rewarming with warmed IV fluids and heat packs. C. Immediately transport while continuing all resuscitative efforts. D. Stop all resuscitative efforts due to the length of time the patient was submerged.
Immediately transport while continuing all resuscitative efforts.
You're beginning to resuscitate a drowning patient who you suspect to be profoundly hypothermic. Which of the following aspects of resuscitation would you NOT consider? A. Infuse warm IV fluids . B. Use an advanced airway. C. Transfer the patient to a facility with cardiac bypass capabilities. D. Assess the carotid pulse for longer than 10 seconds.
Infuse warm IV fluids
Aspiration of a small amount of water following submersion in a liquid medium will cause what to occur? A. Laryngospasm B. Forceful coughing C. Reflex swallowing D. Bronchospasm
Laryngospasm
Which statement regarding the assessment and management of patients with lightning strike injury is TRUE? A. Lightning strike is more likely to produce apnea, with cardiac arrest being secondary to respiratory arrest. B. Burns are the most critical injury associated with lightning strike. C. Fixed and dilated pupils should be taken as a sign of death. D. The burns associated with lightning strike are generally deep, affecting the muscle, bone, and organs.
Lightning strike is more likely to produce apnea, with cardiac arrest being secondary to respiratory arrest.
The martini effect is a term often used to describe symptoms seen with which specific diving emergency? A. Nitrogen narcosis B. Arterial gas embolism C. Type I decompression sickness D. Barotrauma
Nitrogen narcosis
Which of the following diving conditions is also commonly called rapture of the deep? A. Decompression sickness B. Nitrogen narcosis C. Arterial gas embolism D. Barotrauma
Nitrogen narcosis
A 24-year-old female has been successfully resuscitated after being submerged for over 5 minutes in a murky pond. During the resuscitation she apparently aspirated. Knowing this, you're concerned for which of the following conditions? A. Pneumonia B. Bronchodilation C. Asthma D. Anaphylaxis
Pneumonia
What could the aspiration of contaminated water cause in a drowning patient who has been resuscitated? A. Airway obstruction B. Respiratory acidosis C. Severe laryngospasm D. Pneumonia
Pneumonia
Which of the following should be performed on all hypothermic patients? A. Initiating active rewarming techniques B. Placing hot packs over the main arteries C. Prevention of further heat loss and exposure to wind or water D. Infusing warm fluids through an IV
Prevention of further heat loss and exposure to wind or water
For a drowning patient who is unresponsive, what type of physical examination should be performed? A. Focused exam B. Head-to-toe exam C. None D. Rapid trauma exam
Rapid trauma exam
For a drowning patient who is unresponsive, what type of physical examination should be performed? A. Rapid trauma exam B. None C. Head-to-toe exam D. Focused exam
Rapid trauma exam
A patient is found unresponsive on the sidewalk at about 10:00 am on a Sunday morning, with temperatures in the upper teens (F) and winds of 15 to 20 mph. The patient is wearing a denim jacket over a hooded sweatshirt, jeans, and boots. Respiration is minimal, and a faint, slow carotid pulse is present. As you lift him onto the stretcher to get him out of the cold, you notice that his muscles are rigid. In addition to managing the airway, assisting ventilation, and administering oxygen, which of the following is indicated in the prehospital management of this patient? A. Remove wet clothing, cover the patient with blankets, and keep the patient compartment warm. B. Warm packs to the neck, axillae, and groin; administer warmed IV fluids. C. Chest compressions and IV access. D. Start two IV lines and administer at least 1,000 mL of lactated Ringer's solution.
Remove wet clothing, cover the patient with blankets, and keep the patient compartment warm.
You are responding to a possible drowning at the local lake. While en route, dispatch confirms that the patient is still in the water. You have not had water rescue training. What should you do? A. Request additional water rescue resources. B. Request bystanders to swim out and assist you in rescuing the patient. C. Attempt to swim out and rescue the patient on your own. D. Request dispatch to send another unit with more qualified personnel instead.
Request additional water rescue resources.
What is cardiac arrest following lightning strike often caused by? A. Respiratory arrest B. Traumatic injury received after the lightning strike C. Rapid depolarization of myocardial cells D. Tachypnea
Respiratory arrest
Which of the following complaints or signs is associated with barotrauma of descent in SCUBA divers? A. Frothy, bloody sputum B. Severe pain in the ears C. Paralysis D. Pain in the joints
Severe pain in the ears
In relation to the five stages of hypothermia, a patient with apathy and decreased muscle function would be considered to be in which stage? A. Stage 3 B. Stage 1 C. Stage 4 D. Stage 2
Stage 2
How might a respiratory illness such as emphysema affect the chance of survival for a drowning patient submerged for a significant period of time? A. The chance of survival is increased because the patient has adapted to oxygen-starved conditions. B. The chance of survival is decreased because the patient will also likely have complications such as hypothermia. C. The chance of survival is roughly the same for any patient submerged for the same period of time. D. The chance of survival is decreased because the patient has a reduced tolerance for hypoxia.
The chance of survival is decreased because the patient has a reduced tolerance for hypoxia.
When responding to any type of heat or cold environmental emergency, what must the Advanced EMT always consider to avoid experiencing an environmental emergency himself? A. He must remove the patient from the environment immediately. B. The same environment that has caused the emergency for the patient can affect the Advanced EMT and his partner. C. He should not be exposed to the environment long enough to experience symptoms. D. Assessment and management of any patient must occur in a controlled environment.
The same environment that has caused the emergency for the patient can affect the Advanced EMT and his partner.
Which of the following explains Dalton's law? A. The solubility of a gas in a liquid at a particular temperature is proportional to the pressure of that gas above the liquid. B. The total pressure of a gaseous mixture is equal to the sum of the partial pressures of each of the individual gases in the mixture. C. The volume of gas is inversely proportional to its pressure. D. All gases will expand equally when heated.
The total pressure of a gaseous mixture is equal to the sum of the partial pressures of each of the individual gases in the mixture.
Which of the following is defined as "the difference between body and environmental temperatures"? A. Thermal gradient B. Conduction C. Thermolysis D. Thermogenesis
Thermal gradient
Shivering, increasing heart rate, and increasing the metabolic rate of the body are examples of generation of heat through a process called: A. Thermoregulation. B. Thermogenesis. C. Thermal gradient. D. Thermolysis.
Thermogenesis.
Which process allows the body to adjust its internal or core body temperature to maintain a temperature within normal limits? A. Thermolysis B. Thermoregulation C. Thermal gradient D. Thermogenesis
Thermoregulation
Rapid ascent from a dive resulting in the accumulation of nitrogen bubbles in capillaries, causing itching or a burning sensation of the skin and a rash, is known as: A. air embolism. B. type I decompression illness. C. nitrogen narcosis. D. barotrauma.
Type I decompression illness
Which of the following diving injuries is caused by nitrogen bubble formation within the nervous, respiratory, and circulatory systems? A. Type II decompression sickness B. Arterial gas embolism C. Type I decompression sickness D. Nitrogen narcosis
Type II decompression sickness
Which of the following is NOT a provision the Advanced EMT can take to help reduce the onset of frostbite? A. Reduce the intake of caffeine or nicotine. B. Cover all exposed body parts. C. Ensure that shoes or boots are not too tight. D. Use active rewarming techniques.
Use active rewarming techniques.
Heatstroke results in: A. shivering to release heat. B. an abnormally high core temperature. C. vasoconstriction. D. thermogenesis.
an abnormally high core temperature.
You have been called to an outdoor recreation area for a hiker who was lost for several hours in temperatures of 10 to 15 degrees F before finding his way back. He complains of not being able to feel his ears, nose, fingers, or toes. All of these areas appear waxy-white and are hard to the touch. You are 20 minutes from an emergency department capable of handling all medical emergencies and all but the most critical trauma patients. Correct management of this patient includes all of the following EXCEPT: A. remove the patient's wet clothing and keep him warm. B. elevate the affected extremities. C. place dry gauze squares between the fingers and toes, and bandage the hands and feet loosely. D. apply indirect heat to the injured areas using warm packs; encourage the patient to drink the hot coffee offered by a bystander.
apply indirect heat to the injured areas using warm packs; encourage the patient to drink the hot coffee offered by a bystander.
You have been called to the banks of a river at a recreation area, where a 14-year-old boy became fatigued after getting caught in a current and struggling in an attempt to get back to the river bank. He submerged approximately 20 minutes ago for a period of 10 minutes, and was brought ashore by a boater who witnessed the incident. CPR is in progress when you arrive. You confirm that the patient is pulseless and instruct responders to continue chest compressions. Your FIRST action should be to: A. attach the AED and analyze the heart rhythm. B. begin actively rewarming the patient. C. insert a supraglottic airway. D. immobilize the spine.
attach the AEB and analyze the heart rhythm
Which of the diving injuries typically occurs as the diver descends? A. Type II decompression sickness B. Type I decompression sickness C. Barotrauma D. Arterial gas embolism
barotrauma
In drowning patients, hypoxia, hypercapnia, and acidosis lead to: A. hypothermia. B. anxiety and exhaustion. C. hypoglycemia. D. cardiac arrest and organ injury.
cardiac arrest and organ injury.
During immersion in cold water, heat loss will MOST likely occur as a result of: A. conduction. B. evaporation. C. radiation. D. convection.
conduction.
Heat flowing from a surface of greater temperature to one of lesser temperature via direct contact BEST explains the concept of: A. radiation. B. conduction. C. convection. D. evaporation.
conduction.
When the wind is blowing, heat loss from the body is increased by: A. radiation. B. convection. C. conduction. D. respiration.
convection
Which of the following is a primary concern in the prehospital management of a drowning patient? A. Removing water from the lungs. B. Determining the core temperature. C. Correcting hypoxia. D. Differentiating between salt water and fresh water drowning.
correcting hypoxia
The primary treatment for high-altitude illnesses is: A. high-flow oxygen. B. diuretics. C. descent to a lower altitude. D. IV fluids.
descent to a lower altitude
When lightning strikes the victim first before making contact with any other object, this is a: A. side flash strike. B. direct strike. C. contact strike. D. ground current strike.
direct strike
You arrive to find a patient who is displaying an altered mental status; has hot, flushed, dry skin; and is tachycardic and hypotensive. This patient was found by coworkers in the factory's boiler room. Noting his condition and settings, you suspect: A. classic heatstroke. B. exertional heatstroke. C. heat exhaustion. D. heat cramps.
exertional heatstroke.
You are dispatched to a baseball field when a lightning strike had occurred. On arrival you discover four patients who are suffering the effects of the lightning strike. Witnesses state that the four individuals were standing close to one another when the lightning struck the ground several feet away from them. This type of strike is known as a: A. direct strike. B. ground current strike. C. contact strike. D. side flash strike.
ground current strike
If heat exhaustion is NOT treated, the patient is at risk for: A. respiratory distress. B. pulmonary edema. C. heat stroke. D. heat cramps.
heat stroke
A life-threatening condition that occurs when the body's thermoregulatory mechanisms cease to work as a result of exposure to a hot environment is known as: A. heatstroke. B. heat exhaustion. C. heat cramps. D. heat inhalation.
heatstroke
A life-threatening condition that occurs when the body's thermoregulatory mechanisms cease to work as a result of exposure to a hot environment is known as: A. heat cramps. B. heatstroke. C. heat exhaustion. D. heat inhalation.
heatstroke.
Associated factors in determining the rate of heat exchange in the environment include: A. percentage of carbon dioxide in the atmosphere. B. humidity and wind. C. ambient temperature of the body. D. carbon emissions from vehicles.
humidity and wind.
You find an elderly patient who is unconscious and appears in poor condition. The patient was last seen three days ago. The house is hot because the area has been experiencing a heat wave with temperatures in excess of 100 degrees for the past two weeks. The patient is hot, dry, and breathing deeply and rapidly. Pulses are present and are full and bounding. Your immediate attention should be directed to: A. insertion of a supraglottic airway. B. cooling the patient to induce shivering. C. gentle cooling to avoid hypothermia. D. immediate cooling to reduce body core temperature.
immediate cooling to reduce body core temperature.
With a core temperature of 28°C (82.4°F) a patient will display all of the following signs or symptoms EXCEPT: A. decline in oxygen consumption and pulse. B. marked bradypnea. C. increased muscle rigidity. D. loss of consciousness.
increased muscle rigidity.
Soon after being placed in a cool environment, the body will respond by: A. inhibiting conduction through piloerection. B. inducing thermolysis to release heat. C. inducing thermogenesis to increase heat production. D. increasing ambient temperature to decrease the thermal gradient.
inducing thermogenesis to increase heat production.
The factor that has the greatest influence on the survival of a drowned patient is: A. whether the water is fresh water or salt water. B. length of submersion. C. cleanliness of water. D. water temperature.
length of submersion
When the core temperature is greater than that of the surrounding environment, the body will: A. increase the basal metabolic rate. B. elevate the core temperature (thermogenesis). C. utilize the thermal gradient to exchange heat from the atmosphere to the body. D. lose heat (thermolysis).
lose heat (thermolysis).
Heat cramps are BEST explained by: A. loss of electrolytes and water. B. abnormal vasoconstriction. C. hypokalemia. D. increased core body temperature.
loss of electrolytes and water
By which of the following mechanisms does the body increase heat production when thermoreceptors detect a decrease in temperature? A. Vasoconstriction B. Increased urination C. Increased respiration D. Muscular contraction
muscular contraction
Treatment of heat cramps should include: A. oral electrolytes such as non-caffeinated sports drinks. B. rapid infusion of cooled IV fluids. C. very cold water provided orally until the patient feels better. D. deep muscle massage.
oral electrolytes such as non-caffeinated sports drinks.
There are sensors throughout the surface of the skin known as: A. peripheral thermoreceptors. B. chemoreceptors. C. baroreceptors. D. central thermoreceptors.
peripheral thermoreceptors.
Heat-related injury may manifest itself as any of the following EXCEPT: A. heat cramps. B. heat stroke. C. heat exhaustion. D. perspiration.
perspiration.
A 25-year-old male construction worker who has been roofing in temperatures above 90 degrees F is confused and has very hot, wet skin. His vitals are respirations, 24 breaths per minute; weak radial pulse of 120 beats per minute; blood pressure, 88, systolic. by palpation; and SpO2, 92 percent on room air. After placing the patient in the air-conditioned ambulance and applying oxygen by nonrebreather mask, your NEXT priority is: A. placing cold packs on the neck, axillae, and groin. B. misting the patient with a tepid mixture of water and rubbing alcohol and fanning him. C. starting two IV lines and administering at least 1,000 mL of lactated Ringer's solution. D. starting an IV of normal saline and administering 25 g of 50 percent dextrose.
placing cold packs on the neck, axillae, and groin.
Heat transfer from the body directly to the environment without physical contact is called: A. convection. B. radiation. C. evaporation. D. conduction.
radiation.
A 42-year-old construction worker faints while mixing cement. The patient presents warm and diaphoretic, with rapid and shallow respirations. He responds to verbal stimuli and complains of being extremely weak. Management should consist of: A. removing the patient from the hot environment. B. administering an IV of D5W. C. giving the patient salt tablets. D. encouraging the patient to drink iced tea.
removing the patient from the hot environment.
Burns from a lightning strike victims are characteristically: A. full thickness except in areas where conductive material was located. B. superficial and only seen in areas where conductive material was located. C. only two, one at the entry point and the other at the exit point. D. superficial in appearance except in areas where conductive material was located.
superficial in appearance except in areas where conductive material was located.
The general term to describe the process by which the body transfers heat to the environment is called: A. thermolysis. B. thermogenesis. C. radiation. D. thermoregulation.
thermolysis
The body's attempt at maintaining a core temperature is known as: A. compensation. B. thermoregulation. C. metabolism. D. aerobic metabolism.
thermoregulation.
Convection causes the body to lose heat by: A. transferring heat to moving air molecules. B. radiation of heat to the environment. C. direct contact with another surface. D. evaporation of moisture from the skin.
transferring heat to moving air molecules.
The management of an unresponsive patient who suffered from a ground current lightning strike could include any of the following EXCEPT: A. treatment of injuries to internal organs. B. treatment of burn injuries. C. treatment of spine injuries. D. treatment of musculoskeletal injuries.
treatment of injuries to internal organs
The primary mechanisms for thermolysis are: A. shivering and sweating. B. vasoconstriction and shivering. C. vasodilation and sweating. D. vasodilation and shivering.
vasodilation and sweating.
When air enters the body through the nose and mouth and travels through the airway into the lungs, it is: A. conducted as heat to the surrounding tissues. B. compressed and pressurized. C. cooled and dried. D. warmed and humidified.
warmed and humidified.
The patient with hypothermia should be transported: A. with gentle handling to prevent ventricular fibrillation from occurring. B. in Trendelenburg positioning. C. with the head and shoulders elevated to 45-degrees. D. rapidly to a Level III trauma facility.
with gentle handling to prevent ventricular fibrillation from occurring.
One liter of air at the surface of water will be compressed to 500 mL of air at 33 feet. At 66 feet, it will be compressed to 333 mL. What gas law does this principle describe? A. Dalton's law B. Henry's law C. Boyle's law D. Charles' law
Boyle's law
Which law states that the volume of gas is inversely proportional to its pressure? A. Henry's law B. Boyle's law C. Charles' law D. Dalton's law
Boyle's law
Which of the following laws states that the volume of a gas is inversely proportional to its pressure? A. Henry's law B. Boyle's law C. Dalton's law D. Charles's law
Boyle's law
Which law states that all gases will expand equally when heated? A. Charles' law B. Boyle's law C. Dalton's law D. Henry's law
Charles' law
Which law supports the idea that gases expand equally as temperature increases? A. Henry's law B. Charles's law C. Boyle's law D. Dalton's law
Charles's law
Which gas law can be compared to opening a soda can in which when opened, the pressure rapidly decreases, causing bubbles to form? A. Charles' law B. Boyle's law C. Henry's law D. Dalton's law
Henry's law