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","B","C","D"]
Explanation
Choice A reason: Tingling in the arms can occur due to nerve compression caused by the herniated disc. This is a common symptom known as radicular pain, which can radiate from the neck down to the arms and hands.
Choice B reason: Shoulder pain is another expected finding, as the nerves affected by a cervical herniated disc can cause pain to radiate into the shoulders.
Choice C reason: Muscle spasms may be a reflexive response to the pain and inflammation caused by the herniated disc, as the body attempts to stabilize the affected area.
Choice D reason: A stiff neck can result from the muscle tension and reduced range of motion due to the pain and inflammation associated with a herniated cervical disc.
Choice E reason: Low back pain is not typically associated with a herniated cervical disc, as cervical discs are located in the neck region. Low back pain would be more indicative of a lumbar spine issue.
Correct Answer is B
Explanation
Choice A reason: Hypernatremia is not typically associated with prerenal AKI. Prerenal AKI is characterized by conditions that reduce blood flow to the kidneys, not directly causing high sodium levels.
Choice B reason: This choice is correct. Hyperkalemia, which is a high level of potassium in the blood, is a common electrolyte imbalance seen in prerenal AKI due to decreased kidney function and the inability to excrete potassium.
Choice C reason: Hypophosphatemia, or low levels of phosphate in the blood, is not a typical finding in prerenal AKI.
Choice D reason: Hypercalcemia, or high levels of calcium in the blood, is not commonly associated with prerenal AKI. It is more often related to other conditions such as hyperparathyroidism or malignancy.
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