Chapter 23 Allergic Reaction PreTest

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16. Which of the following findings is the most concerning in a patient with a suspected severe allergic reaction? A. Swollen face and tongue B. Flushed, red skin throughout the body C. Splotches and swelling of the hands and forearms D. Hives on the chest

A. Swollen face and tongue

5. Which of the following should be assessed first for a patient who is in anaphylactic shock? A. The patient's airway B. The patient's blood pressure C. The patient's lung sounds D. The patient's distal pulses

A. The patient's airway

3. What is more characteristic of anaphylaxis than of a less severe allergic reaction? A. Tightness in the chest B. Itching C. Swelling D. Wheezing

A. Tightness in the chest

20. After administering the epinephrine auto-injector to your patient with anaphylaxis, you should pay particular attention to: A. assessing the patient's airway, breathing, and circulation. B. determining the patient's need for transport. C. ensuring the patient has a prescription for epinephrine. D. justifying your actions to medical control.

A. assessing the patient's airway, breathing, and circulation.

1. The first time someone is exposed to an allergen, the immune system: A. forms antibodies in response. B. releases histamine and other chemicals. C. triggers anaphylactic shock. D. triggers an allergic reaction.

A. forms antibodies in response.

10. In an anaphylactic reaction, hives are: A. generalized. B. absent. C. blotchy and red. D. localized.

A. generalized.

4. Following an epinephrine injection, reassessment should occur during: A. transport. B. contact with medical control. C. administration of a second injection. D. disposal of the injector.

A. transport.

15. What effect does epinephrine have on the blood vessels? A. Distension B. Perfusion C. Constriction D. Dilation

C. Constriction

14. For a hypotensive patient, which of the following effects of epinephrine would be most important? A. Vasodilation B. Increased capillary permeability C. Vasoconstriction D. Bronchoconstriction

C. Vasoconstriction

17. The steps in administering epinephrine by auto-injector include: A. drawing up the medication into the syringe. B. pushing the injector firmly against the patient's buttock until the needle is deployed. C. holding the injector in place until all the medication has been injected. D. placing the injector back in its container for reuse.

C. holding the injector in place until all the medication has been injected.

18. An allergic reaction is an abnormal response of the: A. cardiac system. B. endocrine system. C. nervous system. D. immune system.

D. immune system.

11. A particular antibody combines with: A. any allergen with which it comes into contact. B. an allergen it is exposed to for the first time. C. histamine and other chemicals released by the immune system. D. only the allergen it was formed in response to or a very similar allergen.

D. only the allergen it was formed in response to or a very similar allergen.

12. Which of the following is most likely to cause anaphylaxis? A. Penicillin B. Nitroglycerin C. Dextrose D. Morphine

A. Penicillin

21. With respect to a non-life-threatening allergic reaction, what is the best example of a localized effect of an allergen? A. Swelling around a bee sting B. Flushed skin on the face, neck, chest, shoulders, and arms C. Swelling of the face, neck, hands, feet, and tongue D. Hives covering the face, neck, and chest

A. Swelling around a bee sting

13. A 50-year-old woman is experiencing an allergic reaction after accidentally ingesting some shrimp. She has hives, complains of diarrhea, and notes that she is beginning to have difficulty breathing. You assess wheezes. Her vital signs are P 118, R 30, BP 100/60. What is the best answer for when you may administer epinephrine? A. The patient has not refused care. B. Medical control authorizes you to do so. C. You believe the patient is in anaphylactic shock. D. The patient has been exposed to this allergen in the past.

B. Medical control authorizes you to do so.

19. Which of the following foods is most likely to cause a severe allergic reaction? A. Celery B. Peanuts C. Beets D. Rice

B. Peanuts

8. What would be most characteristic of a non-life-threatening allergic reaction? A. Moderate dyspnea B. Sneezing C. Respiratory arrest D. Stridor

B. Sneezing

9. If a person is allergic to bee stings, the venom from the bee is referred to as a(n): A. agent. B. allergen. C. catalyst. D. mediator.

B. allergen.

7. A 10-year-old male was stung by several bees. Shortly after the envenomation, his face became severely swollen. This edema is the result of: A. decreased capillary permeability. B. increased capillary permeability. C. vasoconstriction. D. decreased histamine production.

B. increased capillary permeability.

6. A patient carrying a prescribed epinephrine auto-injector: A. will be proficient in its use. B. may ask you for assistance with using the device. C. must use the device only if diagnosed as anaphylactic by a physician. D. may not legally allow anyone else to use the device.

B. may ask you for assistance with using the device.

2. Which of the following is caused by a histamine release during an allergic reaction? A. Drying and reduction of mucus in the bronchi of the lungs B. Vasoconstriction C. Bronchodilation D. Increased leakage of fluids from blood vessels

D. Increased leakage of fluids from blood vessels


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