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Terms in this set (25)
A 20-year-old woman complains of difficulty breathing and the feeling of a lump in her throat approximately 10 minutes after being stung by a wasp. Your assessment reveals that she is anxious, is in obvious respiratory distress, and has hives covering her arms and legs. Further assessment reveals diffuse wheezing, a blood pressure of 80/50 mm Hg, and a heart rate of 120 beats/min. You should:
apply oxygen via nonrebreathing mask, start an IV with normal saline, and administer 1 mg of epinephrine 1:10,000 via IV push
A 26-year-old female presents with a fever, rash, and joint pain. Which of the following should you suspect?
A 56-year-old man is experiencing a severe allergic reaction following multiple ant bites. He tells you that he has a prescribed EpiPen, which is expired, and that he takes a beta blocker for hypertension. Which of the following medications would MOST likely improve his condition, given his medical history?
Glucagon and ipratropium
A middle-aged male who received a kidney transplant called EMS because he was not feeling well. Which of the following assessment findings is MOST suggestive of organ rejection?
Fever with swelling and tenderness over the implanted kidney
Adults in anaphylactic shock should receive the ________ concentration of epinephrine via the ____ route in a dose of ____ mg.
1:10,000, IV, 1
Allergic rhinitis and asthma are MOST often the result of exposure to an allergen via the ___________ route.
An antigen is MOST accurately defined as a:
substance that causes the immune system to produce antibodies
An unresponsive patient with signs of anaphylactic shock:
indicates cerebral hypoxia and hypercarbia
Cardiovascular effects of anaphylaxis include:
tachycardia, flushed skin, and hypotension
Common central nervous system manifestations of anaphylactic shock include all of the following, EXCEPT:
In contrast to cellular immunity, humeral immunity:
involves the use of antibodies dissolved in the blood plasma to fight off invading organisms.
The chemical mediators that initiate and maintain the immune response are:
basophils and mast cells
The correct dose, concentration, and route of epinephrine for a 40-pound child with an allergic reaction and no signs of cardiovascular collapse are:
0.18 mg 1:1,000 SQ
The MOST ominous respiratory sign in a patient with anaphylactic shock is:
diminished lung sounds.
The term anaphylaxis is MOST accurately defined as:
Transport of a patient in anaphylactic shock may be delayed for all of the following reasons, EXCEPT:
a secondary assessment.
When a person is vaccinated against a disease:
the body develops antibodies in response to the vaccine and produces an immune response before the disease can enter the body and cause damage
When administering an EpiPen to a 30-year-old man with a severe allergic reaction, you should recall that:
the drug cartridge contains 0.3 mg of a 1:1,000 solution.
Which of the following general statements regarding anaphylactic shock is correct?
In the presence of anaphylaxis, intervention takes precedence over identifying the offending antigen
Which of the following immunoglobulins is thought to stimulate antibody-producing cells to make antibodies?
Which of the following medications causes the MOST IgE-mediated drug reactions in the United States?
Which of the following medications has the SLOWEST onset of action when given to a patient with a severe allergic reaction?
Which of the following statements regarding leukotrienes is correct?
Leukotrienes compound the physiologic effects of histamine and cause additional bronchoconstriction
Which of the following statements regarding the EpiPen Jr is correct?
It contains 0.15 mg of a 1:2,000 solution and is given IM.
You are caring for a 40-year-old man in obvious anaphylactic shock after being stung by a scorpion. The patient is responsive to pain only, has poor respiratory effort, and is hypotensive and tachycardic. Which of the following represents the MOST appropriate treatment sequence for this patient?
Assisted ventilation, intubation if necessary, at least one large-bore IV with normal saline, 1 mg epinephrine 1:10,000 IV, and up to 50 mg of Benadryl IV or IM
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