Verified Answers Rated A
Which of the following would MOST likely provide clues A. persistent dry cough.
regarding the source of a patient's allergic reaction? B. abdominal cramps.
A. The patient's family history C. drying of the eyes.
B. The environment in which the patient is found D. flushing of the skin. - ANSWER -C. drying of the
C. The time of year in which the exposure occurred eyes
D. The patient's general physical appearance -
ANSWER -B. The environment in which the patient
is found The adult epinephrine auto-injector delivers ______ mg of
epinephrine, and the infant-child auto-injector delivers
______ mg.
The effects of epinephrine are typically observed within A. 0.3; 0.15
_________ following administration. B. 0.01; 0.1
Select one: C. 0.03; 0.3
A. 1 minute D. 0.1; 0.01 - ANSWER -A. 0.3; 0.15
B. 30 seconds
C. 30 minutes
D. 1 hour - ANSWER -A. 1 minute A raised, swollen, well-defined area on the skin that is the
result of an insect bite or sting called:
A. purpura.
Which of the following statements regarding fire ants is B. a pustule.
correct? C. a wheal.
A. Fire ant bites rarely cause anaphylaxis. D. urticaria. - ANSWER -C. a wheal
B. Fire ants often bite a person repeatedly.
C. Most people are allergic to fire ant toxin.
D. Fire ant bites typically occur on the face. - A 73-year-old man presents with a generalized rash,
ANSWER -B. fire ants often bite a person repeatedly which he thinks may have been caused by an antibiotic
that he recently began taking. He has a history of coronary
artery disease, hypertension, and emphysema. He is
The foreign substance responsible for causing an allergic conscious and alert, his blood pressure is 144/94 mm Hg,
reaction is called a(n): and his pulse is 64 beats/min and regular. You auscultate
A. histamine. his breath sounds and hear scattered wheezing, although
B. antibody. he is not experiencing respiratory distress. You should:
C. allergen. A. administer oxygen if needed, transport the patient, and
D. leukotriene. - ANSWER -C. allergen monitor him for signs of deterioration.
B. begin transport and request to administer epinephrine if
his systolic blood pressure falls below 110 mm Hg.
Urticaria is the medical term for: C. ask him if he has epinephrine and request approval
A. hives. from medical control to administer it to the patient.
B. a wheal. D. avoid the use of epinephrine because of his cardiac
C. swelling. history, even if his symptoms become severe. -
D. burning. - ANSWER -A. hives ANSWER -A. administer oxygen if needed, transport
the patient, and monitor him for signs of deterioration
Most patients who die of anaphylaxis do so within the first
____ minutes following exposure. Two of the MOST common signs of anaphylaxis are:
A. 30 A. hypertension and swollen hands.
B. 90 B. expiratory stridor and tachycardia.
C. 60 C. watery eyes and localized itching.
D. 5 - ANSWER -A. 30 D. urticaria and angioedema. - ANSWER -D.
urticaria and angioedema
Common signs and symptoms of an allergic reaction
include all of the following, EXCEPT: Which of the following physiologic actions does
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, EMT Chapter 21 Allergy and Anaphylaxis Test Questions with
Verified Answers Rated A
epinephrine produce when given for an allergic reaction? hospital.
A. Blocking of further histamine release C. apply high-flow oxygen, obtain approval from medical
B. Bronchoconstriction and vasoconstriction control to assist him with his epinephrine, and transport.
C. Vasoconstriction and bronchodilation D. assess his ABCs and vital signs in 15 minutes and
D. Bronchodilation and vasodilation - ANSWER -C. allow him to drive himself to the hospital if he remains
Vasoconstriction and bronchodilation stable. - ANSWER -B. apply oxygen as needed,
clean the area with soap and water or a mild antiseptic,
and transport him to the hospital
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: Common side effects of epinephrine include all of the
A. enlargement of the bronchioles in the lungs. following, EXCEPT:
B. rapid swelling of the upper airway tissues. A. tachycardia.
C. a significant amount of fluid in the alveoli. B. headache.
D. narrowing of the bronchioles in the lungs. - C. drowsiness.
ANSWER -D. narrowing of the bronchioles in the D. dizziness. - ANSWER -C. drowsiness
lungs
A 48-year-old male is found unconscious in the garden by
Which of the following negative effects of anaphylaxis will his wife. When you arrive at the scene and assess the
be the MOST rapidly fatal if not treated immediately? man, you find that he is unresponsive, has labored
A. Severe hypotension breathing, and has hives over his entire trunk. You should:
B. Diffuse urticaria A. ask his wife if he has any known allergies.
C. Upper airway swelling B. maintain his airway and assist his ventilations.
D. Systemic vasodilation - ANSWER -C. Upper C. perform a detailed secondary assessment.
airway swelling D. administer oxygen and position him on his side. -
ANSWER -B. maintain his airway and assist his
ventilations
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 When an auto-injector is used to give epinephrine, the
and alert, but has diffuse urticaria and the feeling that she primary injection site is the:
has a lump in her throat. As your partner applies oxygen A. medial part of the buttocks.
to the patient, you should: B. medial portion of the thigh.
A. ascertain if she has a family history of allergies. C. lateral portion of the arm.
B. ask her when her last allergic reaction occurred. D. lateral portion of the thigh. - ANSWER -D. lateral
C. ask her if she has prescribed epinephrine. portion of the thigh
D. obtain a complete set of baseline vital signs. -
ANSWER -C. ask her if she has prescribed
epinephrine A 37-year-old male is having a severe allergic reaction to
penicillin. He does not have an epinephrine auto-injector,
and your protocols do not allow you to carry epinephrine
You are assessing a young male who was stung on the on the ambulance. How should you proceed with the
leg by a scorpion. He is conscious and alert, his breathing treatment of this patient?
is regular and unlabored, and his blood pressure is 122/64 A. Administer oxygen, transport at once, and request a
mm Hg. Assessment of his leg reveals a wheal paramedic intercept.
surrounded by an area of redness. He states that he had B. Remain at the scene with the patient and request a
a "bad reaction" the last time he was stung by a scorpion, paramedic ambulance.
and carries his own epinephrine auto-injector. You should: C. Quickly determine if there are any bystanders who may
A. apply high-flow oxygen, apply a chemical cold pack carry epinephrine.
directly to the injection site, and transport at once. D. Ask the patient if he has any diphenhydramine tablets
B. apply oxygen as needed, clean the area with soap and that you can administer. - ANSWER -A. Administer
water or a mild antiseptic, and transport him to the oxygen, transport at once, and request a paramedic
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