Which of the following MOST accurately defines an allergic reaction?
A. An exaggerated immune system response to any substance
B. Destruction of the immune system by an external substance
C. A release of erythrocytes in response to a foreign substance
D. A direct negative effect on the body by an external substance - ANSWER A
Chemicals that are responsible for the signs and symptoms of an allergic reaction to
a bee sting include:
A. the bee venom itself.
B. adrenaline and histamines.
C. leukocytes and epinephrine.
D. histamines and leukotrienes. - ANSWER D
Anaphylaxis is MOST accurately defined as a(n):
A. moderate allergic reaction that primarily affects the vasculature.
B. extreme allergic reaction that may affect multiple body systems.
C. severe allergic reaction that typically resolves without treatment.
D. allergic reaction that causes bronchodilation and vasoconstriction. - ANSWER B
Two of the MOST common signs of anaphylaxis are:
A. urticaria and angioedema.
B. watery eyes and localized itching.
C. expiratory stridor and tachycardia.
D. hypertension and swollen hands - ANSWER A
Urticaria is the medical term for:
A. hives.
B. burning.
C. swelling.
D. a wheal. - ANSWER A
The foreign substance responsible for causing an allergic reaction is called a(n):
A. allergen.
B. antibody.
C. histamine.
D. leukotriene. - ANSWER A
Which of the following patients would MOST likely have a delayed onset of an
allergic reaction?
A. A 21-year-old female who inhaled pollen
B. A 30-year-old male who was stung by a bee
C. A 45-year-old male who ingested penicillin
, D. A 50-year-old male who was exposed to latex - ANSWER C
Which of the following statements regarding fire ants is correct?
A. Fire ants often bite a person repeatedly.
B. Fire ant bites rarely cause anaphylaxis.
C. Fire ant bites typically occur on the face.
D. Most people are allergic to fire ant toxin. - ANSWER A
A raised, swollen, well-defined area on the skin that is the result of an insect bite or
sting is called:
A. a pustule.
B. purpura.
C. urticaria.
D. a wheal. - ANSWER D
Because the stinger of a honeybee remains in the wound following a sting:
A. the stinger should quickly be removed with tweezers.
B. the body's immune system deactivates the bee's venom.
C. the toxicity of the venom decreases within 10 minutes.
D. it can continue to inject venom for up to 20 minutes. - ANSWER D
The stinger from a honeybee should be:
A. left in place and covered.
B. scraped away from the skin.
C. squeezed with tweezers and removed.
D. irrigated with copious amounts of water. - ANSWER B
Most patients who die of anaphylaxis do so within the first ____ minutes following
exposure.
A. 5
B. 30
C. 60
D. 90 - ANSWER B
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:
A. apply high-flow oxygen, apply a chemical cold pack directly to the injection site,
and transport at once.
A. An exaggerated immune system response to any substance
B. Destruction of the immune system by an external substance
C. A release of erythrocytes in response to a foreign substance
D. A direct negative effect on the body by an external substance - ANSWER A
Chemicals that are responsible for the signs and symptoms of an allergic reaction to
a bee sting include:
A. the bee venom itself.
B. adrenaline and histamines.
C. leukocytes and epinephrine.
D. histamines and leukotrienes. - ANSWER D
Anaphylaxis is MOST accurately defined as a(n):
A. moderate allergic reaction that primarily affects the vasculature.
B. extreme allergic reaction that may affect multiple body systems.
C. severe allergic reaction that typically resolves without treatment.
D. allergic reaction that causes bronchodilation and vasoconstriction. - ANSWER B
Two of the MOST common signs of anaphylaxis are:
A. urticaria and angioedema.
B. watery eyes and localized itching.
C. expiratory stridor and tachycardia.
D. hypertension and swollen hands - ANSWER A
Urticaria is the medical term for:
A. hives.
B. burning.
C. swelling.
D. a wheal. - ANSWER A
The foreign substance responsible for causing an allergic reaction is called a(n):
A. allergen.
B. antibody.
C. histamine.
D. leukotriene. - ANSWER A
Which of the following patients would MOST likely have a delayed onset of an
allergic reaction?
A. A 21-year-old female who inhaled pollen
B. A 30-year-old male who was stung by a bee
C. A 45-year-old male who ingested penicillin
, D. A 50-year-old male who was exposed to latex - ANSWER C
Which of the following statements regarding fire ants is correct?
A. Fire ants often bite a person repeatedly.
B. Fire ant bites rarely cause anaphylaxis.
C. Fire ant bites typically occur on the face.
D. Most people are allergic to fire ant toxin. - ANSWER A
A raised, swollen, well-defined area on the skin that is the result of an insect bite or
sting is called:
A. a pustule.
B. purpura.
C. urticaria.
D. a wheal. - ANSWER D
Because the stinger of a honeybee remains in the wound following a sting:
A. the stinger should quickly be removed with tweezers.
B. the body's immune system deactivates the bee's venom.
C. the toxicity of the venom decreases within 10 minutes.
D. it can continue to inject venom for up to 20 minutes. - ANSWER D
The stinger from a honeybee should be:
A. left in place and covered.
B. scraped away from the skin.
C. squeezed with tweezers and removed.
D. irrigated with copious amounts of water. - ANSWER B
Most patients who die of anaphylaxis do so within the first ____ minutes following
exposure.
A. 5
B. 30
C. 60
D. 90 - ANSWER B
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:
A. apply high-flow oxygen, apply a chemical cold pack directly to the injection site,
and transport at once.
