A client receiving an IV medication suddenly develops generalized hives, facial swelling, and difficulty breathing. The nurse should suspect which type of hypersensitivity reaction?
Type I (Immediate) hypersensitivity
Type II (Cytotoxic) hypersensitivity
Type III (Immune Complex-Mediated) hypersensitivity
Type IV (Delayed) hypersensitivity
The Correct Answer is A
A) This choice is correct. The client's sudden onset of hives, facial swelling, and difficulty breathing suggests a Type I (Immediate) hypersensitivity reaction, also known as anaphylaxis. Type I hypersensitivity reactions occur within minutes to hours after exposure to an allergen, leading to the release of histamine and other inflammatory mediators.
B) This choice is incorrect because Type II (Cytotoxic) hypersensitivity reactions involve antibodies attacking specific cells or tissues, leading to cell destruction. They are not associated with the symptoms described by the client.
C) This choice is incorrect because Type III (Immune Complex-Mediated) hypersensitivity reactions involve the formation of immune complexes that deposit in tissues and trigger inflammation, but they do not typically present with generalized hives and facial swelling.
D) This choice is incorrect because Type IV (Delayed) hypersensitivity reactions occur 24 to 72 hours after exposure to an allergen and are mediated by T cells, leading to localized skin reactions like contact dermatitis. They are not associated with the rapid onset of symptoms described by the client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) This choice is incorrect because infiltration involves the inadvertent administration of IV fluid into the surrounding tissues and is not associated with warmth and swelling along the vein path.
B) This choice is incorrect because phlebitis typically presents with localized symptoms around the insertion site, such as redness, warmth, and swelling, but it does not cause tenderness, warmth, and swelling along the vein path.
C) This choice is correct. The client's symptoms of tenderness, warmth, and swelling along the vein path are indicative of thrombophlebitis, which is the inflammation of a vein associated with the formation of a blood clot. The clot can cause obstruction along the vein path, leading to the symptoms described by the client.
D) This choice is incorrect because sepsis typically presents with systemic symptoms like fever, chills, and confusion, not localized symptoms along the vein path.
Questions
Correct Answer is C
Explanation
A) This choice is incorrect because elevating the client's arm may not address the underlying complication of infiltration. The nurse's priority is to discontinue the IV infusion to prevent further complications.
B) This choice is incorrect because applying a warm compress is not the priority action. The nurse should first discontinue the IV infusion to assess the site and determine appropriate interventions.
C) This choice is correct. The client's symptoms of pain, burning, redness, swelling, and coolness around the insertion site are indicative of infiltration, which occurs when IV fluid leaks into the surrounding tissues. The nurse's priority is to discontinue the IV infusion to prevent further complications and assess the site for potential tissue damage.
D) This choice is incorrect because administering an analgesic may provide temporary pain relief, but it does not address the underlying complication of infiltration. The nurse should first discontinue the IV infusion and assess the site for potential complications.
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