EMT 21
The EMT exhibits an understanding of allergic reactions and anaphylaxis when she makes which of these statements? A. "An allergic reaction occurs only when the patient ingests or inhales an allergen; anaphylaxis occurs when the allergen is injected." B. "Allergic reactions are caused by pollen and food; anaphylactic reactions are caused by venoms and medications." C. "Anaphylaxis describes a severe allergic reaction that occurs the first time a person is exposed to an allergen." D. "Anaphylaxis is a severe allergic reaction that will lead to death without emergency care."
"Anaphylaxis is a severe allergic reaction that will lead to death without emergency care."
You are staffing an information booth at the county fair when a mother and her 15-year-old son approach. The mother informs you that her son is severely allergic to bee stings and had an epinephrine auto-injector prescribed to him when he was 5 years old. She hands you the 0.15 mg auto-injector and notes that it expired several years ago. Which of these statements would be most appropriate for you to make? A. "We have some auto-injectors on the ambulance. I can get one for you to have until you are able to get a new one from your doctor." B. "Call your doctor to get a new injector and ask him if he wants to change the dose." C. "Call your doctor as soon as possible for a new injector because this one is out of date." D. "Make sure to call the doctor since this is out of date. Also ask the doctor if he wants to add a steroid to the injector."
"Call your doctor to get a new injector and ask him if he wants to change the dose."
A patient who is severely short of breath and covered with hives states that she is allergic to crab. Despite her allergy, she tried some crab dip 10 minutes ago, since it had been "years and years" since she had her last allergic reaction. Which question should the EMT ask first? A. "Do you have an epinephrine auto-injector?" B. "Which medications are you currently taking?" C. "Why did you eat the dip if you are allergic to crab?" D. "How many allergic reactions have you had?"
"Do you have an epinephrine auto-injector?"
The EMT shows he understands the use of an epinephrine auto-injector for treating a patient with an anaphylactic reaction when he makes which of these statements? A. "Epinephrine administered through an auto-injector can be used for all anaphylactic and anaphylactoid reactions, regardless of the cause." B. "The epinephrine auto-injector should never be used if the patient developed the allergic reaction after eating chocolate." C. "The epinephrine auto-injector is used only when a patient is stung by a bee or bitten by an insect." D. "It is critical that the EMT identify the cause of the allergic reaction prior to administering epinephrine through the auto-injector."
"Epinephrine administered through an auto-injector can be used for all anaphylactic and anaphylactoid reactions, regardless of the cause."
A 39-year-old female patient, who is allergic to shellfish, thinks that she may have accidentally ingested some that was mixed into her food at a restaurant. When assessing her, which of these statements made by the patient would be suggestive that she is in the early stages of an anaphylactic reaction? A. "I feel dizzy and weak." B. "I feel as though I am getting a fever." C. "My heart suddenly feels as though it is skipping some beats." D. "I suddenly feel like a have a lump in my throat."
"I suddenly feel like a have a lump in my throat."
A patient informs you that he found out he is allergic to certain molds and was prescribed an epinephrine auto-injector. He asks you how the epinephrine will help him the next time he is exposed to mold. Your response would be: A. "It will reverse the reaction by mimicking the parasympathetic nervous system in your body." B. "It will provide antibodies to your body and give you temporary immunity." C. "It will cause the blood vessels to constrict and your airway structures to relax so that they reopen." D. "It will quickly destroy the allergen in the mold."
"It will cause the blood vessels to constrict and your airway structures to relax so that they reopen."
After you assist a patient with his epinephrine auto-injector, which of these statements made by the patient best indicates that the epinephrine is working and the patient is improving? A. "My heart feels as though it is racing." B. "My breathing feels a lot easier." C. "I am getting a little bit of a headache." D. "I am more relaxed and getting sleepy."
"My breathing feels a lot easier."
You are responding to a call for an allergic reaction. Your partner is a new EMT and this is his first call. When prepping him on how the scene and the patient may present, which instruction regarding the assessment and treatment of an allergic reaction and/or anaphylaxis would be correct? A. "Our first priority will not be to determine what caused the allergic reaction, but to treat the patient according to his or her symptoms." B. "If the allergic reaction was caused by food, we will need to administer activated charcoal." C. "Epinephrine really should be given to any patient experiencing even a mild allergic reaction to prevent anaphylaxis." D. "If the allergic reaction was caused by exposure to chocolate or eggs, we will not be able to administer epinephrine."
"Our first priority will not be to determine what caused the allergic reaction, but to treat the patient according to his or her symptoms."
Five minutes after you assist a patient with her epinephrine auto-injector, the patient states that she feels much better and would like to refuse additional care and transport to the hospital. Which of these statements by the EMT would be most appropriate given this situation? A. "Epinephrine can make you very sleepy. You can refuse to be transported, but just make sure that someone is here to keep an eye on you." B. "Once we help you take your epinephrine, the law requires that you be transported to a hospital for additional care." C. "The epinephrine will start to wear off in 10 or so minutes. Let's see how you are doing then before thinking about refusing transport." D. "If you feel better now, there is probably no need to go to the hospital. I will get the refusal form for you to sign."
"The epinephrine will start to wear off in 10 or so minutes. Let's see how you are doing then before thinking about refusing transport."
You have just assisted a patient with his epinephrine auto-injector. The patient states that he has never taken epinephrine before. What would be the appropriate EMT response about how the drug may make him feel? A. "The epinephrine may make you drowsy, so just close your eyes." B. "If you pass out, that is normal. I will just give you some oxygen if that happens." C. "You may feel a little shaky, but that is normal and will pass." D. "Be prepared to feel dizzy and nauseated. These effects are common when taking epinephrine."
"You may feel a little shaky, but that is normal and will pass."
Prior to assisting a patient with his epinephrine auto-injector, the EMT must ensure that: A. The medication is yellow in color B. On-line or off-line medical direction for epinephrine administration exists C. The patient's heart rate and blood pressure are stable D. The patient is improving
On-line or off-line medical direction for epinephrine administration exists
You are providing a continuing education session for your EMS department regarding anaphylaxis, as you have just returned from a national conference at which current issues related to this pathology were discussed. During your session, one of your fellow EMS providers asks you how the body can "suddenly" become allergic to something. What is your best response? A. "After a repeat exposure, the newly formed antigens of the body will attack the red blood cells, causing them to die, as well as causing airway closure and bronchoconstriction." B. "The body's white blood cells are uniquely sensitive to certain allergens, and when they are exposed to these allergens for the first time, the body will develop an allergic reaction." C. "After exposure to a new antigen, the body will create antibodies to fight it; these antibodies can be the root cause of the anaphylactic response later." D. "It is actually not true that someone 'suddenly' becomes allergic to something. Research shows the person was always allergic to it, but incorrectly assumed he was exposed once before."
"After exposure to a new antigen, the body will create antibodies to fight it; these antibodies can be the root cause of the anaphylactic response later."
Which of these statements indicates that the EMT understands airway management in a patient suffering from anaphylaxis? A. "Epinephrine will help the patient's blood pressure, but not the swollen tissue in the airway." B. "If an oral or nasal airway is used, the airway will be opened and positive pressure ventilation will not be needed." C. "When providing positive pressure ventilation, it may be difficult to pass air through the swollen tissues." D. "The best way to open the airway in a patient with upper airway edema is to place the patient in an upright position."
"When providing positive pressure ventilation, it may be difficult to pass air through the swollen tissues."
You have assisted an adult patient with his epinephrine auto-injector. When giving a report to the emergency department nurse, you should inform her that which dose of epinephrine was administered? A. 0.3 mcg B. 0.25 mcg C. 0.1 mg D. 0.3 mg
0.3 mg
For the EMT to achieve the best results when assisting a patient with epinephrine treatment, the medication should be properly injected into: A. A vein B. The skin C. An artery D. A muscle
A muscle
A 23-year-old male patient has called EMS for swollen lips and hives. Upon entering the scene, which of these observations would make the EMT suspicious that the patient is having an allergic reaction? A. Other family members complaining of similar symptoms B. A new container of penicillin on a table with two pills missing C. A bottle of expired nitroglycerin on the kitchen counter D. A glucometer on a table in the living room
A new container of penicillin on a table with two pills missing
A football player in full uniform has been stung by a bee. Your assessment reveals him to be confused with stridorous respirations and weak radial pulses. His skin is warm and flushed and covered with hives. Vital signs are pulse, 164; respirations, 28 breaths/min; blood pressure, 74/58 mmHg; and SpO2, 87%. The coach notifies you that the patient is allergic to bees and hands you the patient's epinephrine pen. Your next action would be to: A. Completely expose the patient and administer the epinephrine into his anterior thigh B. Lift the shirt over the patient's abdomen and administer the epinephrine into his abdomen below the umbilicus C. Lift the patient's shoulder pads and shirt and administer the epinephrine into his upper arm muscle D. Administer the epinephrine through a pad-less area of the patient's pants over the side of his thigh
Administer the epinephrine through a pad-less area of the patient's pants over the side of his thigh
A patient has just taken her first dose of Zocor for high cholesterol. Within minutes, she begins to develop hives, shortness of breath, and low blood pressure. In this case, the EMT would recognize that the patient is experiencing: A. A sensitized immune response B. Anaphylaxis C. A hypersensitivity reaction D. An anaphylactoid reaction
An anaphylactoid reaction
What is the primary difference between an anaphylactic reaction and an anaphylactoid reaction? A. Anaphylactoid reactions are commonly caused by environmental substances; anaphylactic reactions are most commonly caused by foods B. An anaphylactoid reaction may occur without prior sensitization to the antigen; anaphylaxis requires prior sensitization C. Epinephrine is contraindicated in anaphylactoid reactions, but not in anaphylactic reactions D. Anaphylactoid reactions are less severe than anaphylactic reactions
An anaphylactoid reaction may occur without prior sensitization to the antigen; anaphylaxis requires prior sensitization
A patient develops an allergic reaction after taking penicillin. In this case, the penicillin would be recognized by the body as: A. An antibody B. An antigen C. A mast cell D. A form of immunoglobulin E
An antigen
A patient is covered with hives. He is responsive to painful stimuli but has labored respirations with an inspiratory stridor sound, bilateral wheezing, and a weak and rapid pulse. His vital signs are pulse, 128; respirations, 24 breaths/min; and blood pressure, 80/50 mmHg. Given this presentation, the EMT should suspect that the patient has: A. Hypersensitivity B. Sensitization C. Localized allergic reaction D. Anaphylaxis
Anaphylaxis
What is the most severe form of an allergic reaction called? A. Anaphylaxis B. Antigen response C. Hypersensitivity D. Rhinorrhea
Anaphylaxis
Within the body, the release of histamine causes dilation of the: A. Salivary glands B. Small airways C. Blood vessels D. Upper airway
Blood vessels
Which of these statements is true regarding both anaphylactic and anaphylactoid reactions? A. Anaphylactoid reactions seldom involve the airway; anaphylaxis does B. Anaphylaxis is caused by medications; anaphylactoid reactions are not C. Both anaphylactoid and anaphylactic reactions are treated in the same way D. Administering epinephrine in an anaphylactoid reaction can be fatal
Both anaphylactoid and anaphylactic reactions are treated in the same way
After assisting a patient with the use of an epinephrine auto-injector, you note that the patient's blood pressure has improved. As a knowledgeable EMT, you realize that this effect occurred due to epinephrine's ability to: A. Relax the smooth muscle of the blood vessels B. Increase the number of circulating red blood cells C. Increase the oxygen-carrying capacity of the red blood cells D. Constrict blood vessels
Constrict blood vessels
Five minutes after assisting a patient with his epinephrine auto-injector, you determine that the patient is getting progressively worse. The patient has a second auto-injector available; however, written protocols do not address the administration of a second dose. What is the priority action the EMT should take at this time? A. Continue to monitor the patient B. Administer the second dose of epinephrine C. Request advanced life support (ALS) assistance D. Contact medical direction for further orders
Contact medical direction for further orders
On scene, you assisted a patient with his epinephrine auto-injector after he was stung multiple times by bees. You are now transporting the patient to the hospital. As you reassess the patient, which of these findings would best indicate that the epinephrine is benefiting the patient? A. Increasing heart rate B. Decreasing blood pressure C. Decreasing wheezing D. Complaint of fatigue
Decreasing wheezing
Why would the patient experiencing an allergic reaction tell you that it is easier to breathe following administration of epinephrine? A. Decreased blood pressure B. Drying of mucus in the airways C. Increased blood flow to the lungs D. Dilation of the bronchioles
Dilation of the bronchioles
Regarding the pathophysiology underlying anaphylaxis, which of these statements is true? A. Smooth muscle dilation in the lungs impairs the exchange of oxygen B. Immunoglobulin E molecules make antibodies that cause bronchoconstriction and vasodilation C. Histamine causes the capillaries to become leaky and bronchioles to constrict D. High blood pressure forces blood from the blood vessels, resulting in airway edema
Histamine causes the capillaries to become leaky and bronchioles to constrict
What is the best explanation of why patients experiencing an anaphylactic reaction have difficulty breathing? A. Allergens use the available oxygen molecules B. Antigens increase the body's need for oxygen C. Histamine constricts the bronchioles D. Antibodies depress the brain's respiratory center
Histamine constricts the bronchioles
A panicked and anxious patient tells you that he is allergic to peanuts and thinks he may have accidentally eaten some. He states that the last time he ate peanuts he almost died and needed to have a "tube put in his throat." When assessing this patient, which of these signs or symptoms would provide the best evidence that the patient is having an allergic, and possibly an early anaphylactic, reaction? A. Cool and dry skin B. Elevated blood pressure C. Hives on his chest D. Panic and anxiety
Hives on his chest
During the primary assessment, which of these findings would most lead the EMT to suspect an allergic reaction? A. Hives to the face and neck B. Complaint of dizziness C. Blood pressure of 100/60 mmHg D. Heart rate of 112 beats/min
Hives to the face and neck
A patient has been stung by a bee. Which of these findings would be present in anaphylaxis, but not in a local allergic reaction? A. Hypotension B. Swelling at the site of the sting C. Anxiousness D. Hives
Hypotension
You have been summoned to an apartment for a 58-year-old female who complains of hives on her chest and abdomen. When asked, she states that she has had several episodes of the hives over the past six months, but allergy testing has not been able to pinpoint a cause. Based on this information, how would you best classify the cause of the patient's reaction? A. Anaphylactic B. Iatrogenic C. Idiopathic D. Anaphylactoid
Idiopathic
You are called to an outpatient surgery center for a patient who developed an allergic reaction while receiving an intravenous (IV) antibiotic. How would you would document the route of exposure? A. Ingestion B. Topical C. Injection D. Contact
Injection
You have been called to a kindergarten class for a 5-year-old boy who is allergic to peanuts. He ate some peanuts in the form of a birthday treat brought to school by a classmate who is celebrating a birthday. From the door of the classroom, you note the patient to have swollen lips and hives to his face and arms. The patient also looks unresponsive. As you begin the primary assessment, what should be a priority action? A. Inspect the inside of the patient's mouth and assure an open airway B. Contact the patient's parents for permission to treat him C. Check breath sounds for wheezing and assess the vital signs D. Determine how many peanuts the patient ingested
Inspect the inside of the patient's mouth and assure an open airway
You have been called to a residence for a female patient who awoke with swollen lips and a rash to her arms and abdomen. In addition, she exhibits a mild expiratory wheeze in all lung fields. She called her doctor, who advised her to take some Benadryl and call 911 for emergency care. How will the Benadryl, acting as an antihistamine, benefit this patient? A. It helps the patient's immune system to deactivate the allergen B. It acts as an allergen to stop the allergic reaction through histamine stimulation C. It inhibits the constriction of the patient's small airways by blocking histamine D. It dilates the patient's blood vessels and delivers more blood to the brain
It inhibits the constriction of the patient's small airways by blocking histamine
When administering epinephrine to an infant or child, the EMT would place the injector at which site? A. Outer buttock B. Lateral thigh C. Upper arm D. Hip muscle
Lateral thigh
What is the most common cause of an allergic reaction in which the antigen was ingested? A. Medications B. Pollen C. Food D. Bee stings
Medications
A patient states that he is allergic to poison ivy and was burning it yesterday while clearing brush off his farm when he accidentally inhaled some of the smoke. Today, he awoke and found a red rash to the back of his left hand and called 911. Assessment reveals him to be alert and oriented, with easy respirations and a blood pressure of 128/70 mmHg. Your next action would be to: A. Assist the patient with his epinephrine auto-injector B. Provide immediate and rapid transport C. Call for advanced life support (ALS) assistance D. Obtain a full SAMPLE and OPQRST history
Obtain a full SAMPLE and OPQRST history
You are providing bag-valve-mask ventilations to a patient in anaphylactic shock. There is increasing resistance to ventilation, despite your use of proper ventilation technique. What is the best way to address this situation? A. Occlude the pop-off valve on the bag-valve mask and continue ventilations B. Increase both the ventilatory rate and the force of ventilation C. Turn the patient to her side and apply manual pressure over the epigastrium D. Stop ventilations and administer an albuterol metered-dose inhaler
Occlude the pop-off valve on the bag-valve mask and continue ventilations
A patient with an allergy to bees and a prescribed EpiPen was working in the garden when she noted swelling to the right side of her face. Assessment reveals swelling that is red and hot to the right cheek area. Her airway is patent, respirations easy and adequate, and radial pulse strong. Her vital signs are pulse, 76; respirations, 16 breaths/min; blood pressure, 156/62 mmHg; and SpO2, 99%. What should be the EMT's action at this time? A. Perform a secondary assessment B. Provide immediate and rapid transport C. Assist the patient with her EpiPen D. Treat the patient's condition as an anaphylactoid reaction
Perform a secondary assessment
How should an EMT assist a patient in taking his epinephrine auto-injector? A. Pinch the skin on the anterior thigh, press the injector against the skin, and wait until it activates B. Pinch the skin on the lateral thigh, press the injector against the skin, and rapidly push the plunger to inject the medication C. Place the injector against the deltoid muscle in the arm, and push the plunger to slowly inject the medication D. Press the injector onto the lateral thigh, and wait for it to automatically inject
Press the injector onto the lateral thigh, and wait for it to automatically inject
You have been called for a male patient experiencing a severe allergic reaction. The patient is very confused and having great difficulty breathing. He has an epinephrine auto-injector, but your service does not have protocols related to its use. Fortunately, in your EMT class, you learned about and passed a test on the use of an epinephrine auto-injector for allergic reactions. In this case, you should: A. Assist the patient with his epinephrine using implied consent as justification B. Contact the physician prescribing the medication for permission to use the auto-injector C. Provide oxygen and respiratory support as needed, followed by immediate transport D. Assist the patient with his epinephrine auto-injector and then contact medical control
Provide oxygen and respiratory support as needed, followed by immediate transport
A young female patient, who is allergic to peanuts, was just exposed to peanut butter in a sandwich at a church picnic. Assessment reveals her to be alert and oriented, with swollen lips and hives on her face. She is breathing adequately at a rate of 18 breaths/min and has a heart rate of 82 beats/min. Your partner advises you that her blood pressure is 118/72 mmHg and room-air SpO2 is 92%. The patient states that she also has asthma, for which she uses an inhaler. What should you do first? A. Assist the patient with her inhaler B. Start positive pressure ventilation C. Provide supplemental oxygen D. Determine the amount of peanut butter consumed
Provide supplemental oxygen
When reassessing a patient whom you are treating for an anaphylactic reaction, which of these findings would be of the greatest concern? A. Pulse oximetry reading of 95% via high-concentration oxygen B. Red, warm, and dry skin, with the patient becoming increasingly agitated C. New hives appearing on the chest that were not there upon your arrival D. Respiratory rate change from 28 to 10 breaths/min with increasing patient lethargy
Respiratory rate change from 28 to 10 breaths/min with increasing patient lethargy
You have arrived by the side of a lethargic patient who is allergic to latex and was exposed to it when she spilled a latex-containing powder on her right hand. She is able to speak only a few words with each breath, and a quick glance at the pulse oximeter reveals the saturation is in the 80-90% range. Additionally, the patient's tongue is swollen and her respirations are rapid, labored, and noisy. Which action is your immediate priority? A. Obtain a heart rate and blood pressure B. Start positive pressure ventilation C. Wash the latex powder from the patient's hand D. Insert an oropharyngeal airway
Start positive pressure ventilation
An awake but confused patient experiencing an allergic reaction begins to exhibit stridorous respirations. The EMT knows that the underlying condition responsible for this presentation is: A. Constriction of the small airways B. Swelling to the upper airway C. Loss of the gag reflex D. Spasm of the lower airway
Swelling to the upper airway
Which of these assessment findings would indicate that the patient is experiencing an anaphylactic reaction after a bee sting and requires immediate intervention? A. Edema to the feet, with an SpO2 of 93% on room air and mild dyspnea B. Hives to the arm that was stung and a heart rate of 96 beats/min C. Swollen lips and oral mucosa, with a blood pressure of 84/50 mmHg D. Localized swelling around the site of the bee sting
Swollen lips and oral mucosa, with a blood pressure of 84/50 mmHg
In which of these situations would the EMT contact medical direction prior to administering epinephrine to a patient who is experiencing an anaphylactic reaction? A. The patient has an allergy to chocolate or eggs B. The patient's heart rate is 144 beats/min C. The patient is not prescribed an auto-injector D. The patient is hypotensive and tachycardic
The patient is not prescribed an auto-injector
If signs and symptoms of anaphylaxis occur rapidly in a patient, the EMT must realize that: A. An increased amount of antigens is present in the patient's body B. The reaction will likely be severe C. The reaction will likely be localized D. Epinephrine will not be effective
The reaction will likely be severe
A patient informs you that whenever she is exposed to a particular soap, she experiences a mild allergic reaction. As a knowledgeable EMT, you should recognize that: A. She must have been exposed to the soap as an infant B. The patient's airway will swell shut if she inhales the soap C. The soap contains antibodies that react in the patient's body D. The soap contains an antigen
The soap contains an antigen
A mother has called you for her 9-year-old daughter, who was stung in the right hand by a bee. She states that her older daughter is allergic to bees and she is scared that the patient may also be allergic, although she has never been stung before. Assessment of the patient reveals a red, painful, and swollen area on the back of the girl's right hand. The primary assessment is unremarkable and her vital signs are normal. The mother hands you her older daughter's epinephrine auto-injector. You would: A. Wash the patient's hand with soap and water B. Administer the epinephrine into the patient's thigh C. Contact medical direction for permission to use the epinephrine auto-injector D. Ask the mother to administer the auto-injector into the patient's thigh
Wash the patient's hand with soap and water
When assessing a patient with a suspected anaphylactic reaction, which of these findings would you expect? A. Slow and bounding radial pulse B. Normal to slightly increased blood pressure C. Rapid and strong carotid pulse D. Weak, rapid radial pulse
Weak, rapid radial pulse