WorksheetsEMT Chapter 21
Total questions: 20
Worksheet time: 15mins
Which of the following MOST accurately defines an allergic reaction?
An exaggerated immune system response to any substance
Destruction of the immune system by an external substance
A release of erythrocytes in response to a foreign substance
A direct negative effect on the body by an external substance
Chemicals that are responsible for the signs and symptoms of an allergic reaction to a bee sting include:
the bee venom itself
adrenaline and histamines
leukocytes and epinephrine
histamines and leukotrienes
Urticaria is the medical term for:
hives
burning
swelling
a wheal
The foreign substance responsible for causing an allergic reaction is called a(n):
allergen
antibody
histamine
leukotriene
A raised, swollen, well-defined area on the skin that is the result of an insect bite or sting is called:
a pustule
purpura
urticaria
a wheal
The stinger from a honeybee should be:
left in place and covered
scraped away from the skin
squeezed with tweezers and removed
irrigated with copious amounts of water
Common signs and symptoms of an allergic reaction include all of the following, EXCEPT:
abdominal cramps
drying of the eyes
flushing of the skin
persistent dry cough
Which of the following sounds indicates swelling of the upper airway?
Rales
Stridor
Rhonchi
Wheezing
Epinephrine is indicated for patients with an allergic reaction when:
wheezing and hypotension are present
the patient is anxious and tachycardic
a paramedic is present at the scene
the reaction produces severe urticaria
When an auto-injector is used to give epinephrine, the primary injection site is the:
medial part of the buttocks
lateral portion of the arm
lateral portion of the thigh
medial portion of the thigh
When administering epinephrine via auto-injector, you should hold the injector in place for:
3 seconds
8 seconds
10 seconds
15 seconds
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:
rapid swelling of the upper airway tissues
a significant amount of fluid in the alveoli.
narrowing of the bronchioles in the lungs
enlargement of the bronchioles in the lungs
Immediately after giving an epinephrine injection, you should:
properly dispose of the syringe
record the time and dose given
reassess the patient’s vital signs
notify medical control of your action
The effects of epinephrine are typically observed within _________ following administration
30 seconds
1 minute
30 minutes
1 hour
Two of the MOST common signs of anaphylaxis are:
urticaria and angioedema
watery eyes and localized itching
expiratory stridor and tachycardia
hypertension and swollen hands
Which of the following patients would MOST likely have a delayed onset of an allergic reaction?
A 21-year-old female who inhaled pollen
A 30-year-old male who was stung by a bee
A 45-year-old male who ingested penicillin
A 50-year-old male who was exposed to latex
Which of the following statements regarding fire ants is correct?
Fire ants often bite a person repeatedly
Fire ant bites rarely cause anaphylaxis
Fire ant bites typically occur on the face
Most people are allergic to fire ant toxin
Which of the following would MOST likely provide clues regarding the source of a patient’s allergic reaction?
The patient’s family history
The patient’s general physical appearance
The environment in which the patient is found
The time of year in which the exposure occurred
Which of the following negative effects of anaphylaxis will be the MOST rapidly fatal if not treated immediately?
Diffuse urticaria
Severe hypotension
Upper airway swelling
Systemic vasodilation
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:
perform a rapid secondary assessment
assist her ventilations with 100% oxygen
locate the area where the fire ants bit her
place her supine with her legs elevated
