Part of the Medical Emergencies practice questions exam area.
This page holds 200 free practice questions for Chapter 26, Immunologic Emergencies, covering the immune system and antibodies, hypersensitivity and the pathophysiology of anaphylaxis, recognizing anaphylaxis, epinephrine dosing, adjunct medications, common allergens such as foods, drugs, insect stings, and latex, angioedema, and autoimmune disease, immunodeficiency, and transplant patients. They are written for paramedic and EMT students working through Nancy Caroline's Emergency Care in the Streets, 9th edition. Every question shows the correct answer with a short explanation as soon as you tap, so you learn while you test rather than waiting until the end.
Study it two ways: the 10 Question Blitz, a quick round where every right answer lights a siren and any misses lead into Lights & Sirens, a 5-in-a-row drill on that section, or the full 100-question test drawn at random from the whole chapter. After each test you get a score and a section-by-section breakdown. Progress on the full test is saved on your device, so you can stop and pick up later.
The main function of the immune system is to:
Answer: D. Defend the body against invaders
The immune system recognizes and destroys bacteria, viruses, toxins, and abnormal cells while sparing the body's own tissues.
During anaphylaxis, a 64-year-old with coronary disease develops crushing chest pain and ST elevation. The most likely link is:
Answer: C. Mediators and low BP reduce coronary flow
Mast-cell mediators can spasm the coronary arteries or destabilize plaque, and hypotension lowers coronary perfusion. This allergic acute coronary syndrome (Kounis syndrome) is one reason older patients with heart disease do poorly in anaphylaxis. Treat the anaphylaxis and obtain a 12-lead ECG. Dissection and direct allergen toxicity are not the mechanism.
Anaphylaxis is highly likely when skin signs are accompanied by:
Answer: D. Respiratory compromise or hypotension
Acute skin or mucosal symptoms plus breathing difficulty or low blood pressure meet the clinical criteria.
Most students use the 10 Question Blitz for daily practice and take the full 100-question test in the days before a class exam or NREMT practice. Lights & Sirens after a blitz is the fastest way to close gaps the night before a test.
Every question in this chapter is also listed by section, with answers, on the topic pages above. See all paramedic topics or take the NREMT paramedic practice test.
Ch. 1 Ch. 2 Ch. 3 Ch. 4 Ch. 5 Ch. 6 Ch. 7 Ch. 8 Ch. 9 Ch. 10 Ch. 11 Ch. 12 Ch. 13 Ch. 14 Ch. 15 Ch. 16 Ch. 17 Ch. 18 Ch. 19 Ch. 20 Ch. 21 Ch. 22 Ch. 23 Ch. 24 Ch. 25 Ch. 26 Ch. 27 Ch. 28 Ch. 29 Ch. 30 Ch. 31 Ch. 32 Ch. 33 Ch. 34 Ch. 35 Ch. 36 Ch. 37 Ch. 38 Ch. 39 Ch. 40 Ch. 41 Ch. 42 Ch. 43 Ch. 44 Ch. 45 Ch. 46 Ch. 47 Ch. 48 Ch. 49 Ch. 50 Ch. 51 Ch. 52 Ch. 53
These practice questions were written for this site. They are not the publisher's test bank and are not affiliated with or endorsed by Jones & Bartlett Learning, the American Academy of Orthopaedic Surgeons, or the National Registry of Emergency Medical Technicians. Use them alongside your textbook and your instructor's objectives.