A nurse is assessing a client's immune function by reviewing the laboratory value of the cellular response of the T-cells. The nurse should recognize that which of the following conditions is affected by the T-cells?
Hay fever allergy
Anaphylaxis
Transplant rejection
Bacterial phagocytosis
The Correct Answer is C
Choice A reason:
Hay fever allergy, also known as allergic rhinitis, is primarily associated with the action of Immunoglobulin E (IgE) antibodies and not directly with T-cells. T-cells can contribute to the regulation of the immune response in allergies, but IgE is the main immunoglobulin involved in the typical symptoms of hay fever.
Choice B reason:
Anaphylaxis is a severe, potentially life-threatening allergic reaction that involves the release of large amounts of histamine and other chemicals from mast cells and basophils, often triggered by IgE antibodies. While T-cells can play a role in the sensitization phase of allergy, anaphylaxis itself is not directly caused by T-cells.
Choice C reason:
Transplant rejection is a process in which T-cells play a central role. When a transplant recipient's immune system recognizes the donated organ as foreign, T-cells can mediate the rejection by attacking the transplanted tissue, leading to its failure.
Choice D reason:
Bacterial phagocytosis is primarily the function of phagocytes like neutrophils and macrophages. T-cells are involved in the adaptive immune response and can activate phagocytes, but they do not directly perform phagocytosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C"]
Explanation
The correct answer is b. Minimize skin exposure to moisture and c. Use pillows to keep heels off the bed surface.
Choice A reason:
a. Massage over erythematous bony prominences: This is incorrect because massaging erythematous (reddened) areas can cause further tissue damage and exacerbate skin breakdown.
Choice B reason:
b. Minimize skin exposure to moisture: This is correct. Moisture can lead to skin maceration, increasing the risk of skin breakdown. Keeping the skin dry helps maintain its integrity.
Choice C reason:
c. Use pillows to keep heels off the bed surface: This is correct. Elevating the heels reduces pressure on them, preventing pressure ulcers.
Choice D reason:
d. Implement a turning schedule every 4 hours: This is incorrect. To prevent pressure injuries, turning should be done every 2 hours, not every 4 hours.
Choice E reason:
e. Keep the client’s skin dry with powder: This is incorrect. Powder can cause skin irritation and breakdown.
Correct Answer is C
Explanation
Choice A reason: The use of erythropoiesis-stimulating agents (ESAs) is indicated for anemia due to chemotherapy¹. However, the client's hemoglobin (Hgb) level is 12.1 g/dL, which is within the normal range (normal: 12-15.5 g/dL for women). Therefore, administering an ESA is not indicated based on the Hgb level provided.
Choice B reason: A diet with increased protein can be beneficial for patients undergoing chemotherapy as it helps in tissue repair and immune system function. However, the client's albumin level is 4.5 g/dL, which falls within the normal range (normal: 3.4-5.4 g/dL), suggesting adequate protein intake. Thus, there is no indication that the client requires an increased protein diet based on the albumin level provided.
Choice C reason: The client's white blood cell (WBC) count is 1,400/mm³, which is below the normal range (normal: 4,500-11,000/mm³). This condition, known as leukopenia, significantly increases the risk of infection³. Therefore, the nurse should prioritize monitoring for signs of infection and implementing infection control measures.
Choice D reason: The client's platelet count is 170,000/mm³, which is within the normal range (normal: 150,000-450,000/mm³). Although cisplatin can cause thrombocytopenia, the current platelet count does not indicate an increased risk for bleeding⁴. Therefore, this choice is not correct based on the platelet count provided.
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