A nurse in an allergy clinic is caring for a client who has a history of seasonal allergy symptoms. The client had a radioallergosorbent test (RAST) completed on a previous visit. The nurse should recognize that an elevation in which of the following immunoglobulins indicates a positive result?
Immunoglobulin E (IgE)
Immunoglobulin M (IgM)
Immunoglobulin A (IgA)
Immunoglobulin G (IgG)
The Correct Answer is A
Choice A reason: Immunoglobulin E (IgE) is associated with allergic reactions. A RAST test measures the level of allergen specific IgE antibodies in the blood. An elevation in IgE indicates sensitization to a particular allergen and a positive result for the allergy.
Choice B reason: Immunoglobulin M (IgM) is usually the first antibody produced by the immune system when it detects an infection. It is not typically associated with the detection of allergies.
Choice C reason: Immunoglobulin A (IgA) plays a critical role in mucosal immunity and is found in high concentrations in the mucous membranes, particularly those lining the respiratory passages and the gastrointestinal tract, but it is not used as an indicator in RAST testing for allergies.
Choice D reason: Immunoglobulin G (IgG) is the most abundant type of antibody and is involved in the recognition and removal of pathogens. It is not specific to allergic response detection in RAST testing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Neurological checks are essential after spinal surgery to monitor for any changes or deterioration in the patient's neurological status. The frequency of these checks can vary based on the patient's condition, but a common standard is to perform them every 4 hours or sooner. However, in some cases, especially immediately post operation, checks may be required more frequently, such as every 2 hours, to ensure any complications are identified and managed promptly.
Choice B reason: While mobilization is an important aspect of postsurgical care to prevent complications such as deep vein thrombosis, positioning a patient in a chair every 2 hours may not be appropriate immediately following spinal surgery. The patient's mobility and pain level must be assessed, and activities should be gradually increased as tolerated.
Choice C reason: Inspecting the spinal dressing is important to identify signs of infection or complications. However, clear drainage is not typically expected and could indicate cerebrospinal fluid leakage, which requires immediate medical attention.
Choice D reason: The term "criminal checks" is not relevant to nursing care and seems to be a typographical error. The nurse's focus should be on clinical assessments and interventions related to the patient's health status.
Correct Answer is C
Explanation
Choice A reason: Fatigue is a common symptom of ITP but is not the primary concern for monitoring, as it does not directly indicate the severity of the condition.
Choice B reason: While monitoring for side effects of immunosuppressants is important, it is not the priority concern. The primary issue in ITP is the low platelet count, which poses a risk of bleeding.
Choice C reason: Thrombocytopenia, or low platelet count, is the hallmark of ITP and the main concern for monitoring, as it increases the risk of bleeding and bruising.
Choice D reason: Infection is a risk due to the potential use of immunosuppressants in treatment; however, the immediate concern in ITP management is the platelet count and associated bleeding risk.
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