Chapter 20 Ebook Quiz

25 July 2022
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question
Which of the following statements regarding fire ants is correct?
answer
Fire ants often bite a person repeatedly.
question
Which of the following MOST accurately defines an allergic reaction?
answer
an exaggerated immune system response to any substance
question
During airway and breathing portions of the primary assessment of a victim of an immunologic emergency, the EMT should __________.
answer
Work quickly to assess the adequacy of the patients ability to move air in and out of their lungs
question
The purpose of the human immune system is to ________.
answer
protect the body from foreign susbstances and organisms
question
Allergic reactions to injected medications may occur ___________ and may be quite severe.
answer
quickly (within 30 minutes of the injection)
question
When an auto-injector is used to give epinephrine, the primary injection site is the:
answer
Lateral portion of the thigh
question
A 38-year-old woman was bitten by fire ants while at the park. Your primary assessment reveals that she is semiconscious; has labored breathing; and has a rapid, thready pulse. She has a red rash on her entire body and her face is swollen. You should:
answer
Assist her ventilation with 100% oxygen
question
Most patients who die of anaphylaxis do so within the first ____ minutes following exposure.
answer
30
question
An immune system is necessary for human life because __________.
answer
All of these answers are correct
question
You respond to the residence of a 55-year-old woman with a possible allergic reaction to peanuts that she ate approximately 30 minutes ago. The patient is conscious and alert, but has diffuse urticaria and the feeling that she has a lump in her throat. As your partner applies oxygen to the patient, you should:
answer
Ask her if she has prescribed epinephrine
question
A 48-year-old male is found unconscious in the garden by his wife. When you arrive at the scene and assess the man, you find that he is unresponsive, has labored breathing, and has hives over his entire trunk. You should:
answer
Maintain his airway and assist his ventilations
question
Which questions would be most appropriate for the EMT to ask a conscious victim of an allergic reaction?
answer
"Have you taken any medications for this episode and have they worked?"
question
Which of the following is an action of epinephrine on the human body?
answer
It causes increased cardiac contractility
question
The scene size-up step in the assessment of an immunologic emergency is critical because it may indicate __________.
answer
what safety precautions are necessary to protect the EMTs, patient(s) and bystander(s) the cause of the allergic or anaphylactic reaction what additional resources, including ALS, the EMT should call for
question
You are assessing a young male who was stung on the leg by a scorpion. He is conscious and alert, his breathing is regular and unlabored, and his blood pressure is 122/64 mm Hg. Assessment of his leg reveals a wheal surrounded by an area of redness. He states that he had a "bad reaction" the last time he was stung by a scorpion, and carries his own epinephrine auto-injector. You should:
answer
apply oxygen as needed, clean the area with soap and water or a mild antiseptic, and transport him to the hospital.
question
The assessment of an immunologic emergency is critical because it will help the EMT determine whether the __________.
answer
call is medical or traumatic in nature, or both
question
It is critical to closely monitor and reassess a victim of an immunologic emergency because the patient may __________.
answer
rapidly deteriorate
question
Two of the MOST common signs of anaphylaxis are:
answer
urticaria and angioedema
question
Chemicals that are responsible for the signs and symptoms of an allergic reaction to a bee sting include:
answer
histamines and leukotrienes.
question
While auscultating breath sounds of a patient who was stung multiple times by a yellow jacket, you hear bilateral wheezing over all lung fields. This indicates:
answer
narrowing of the bronchioles in the lungs.