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 ["D","E"]
Explanation
Choice A reason: Bradycardia, or a slower than normal heart rate, is not typically an indication of infection. It can be related to other health issues or medication effects.
Choice B reason: An increase in platelets, or thrombocytosis, can occur in response to various conditions, but it is not a specific indicator of infection in diabetic foot pain.
Choice C reason: An increase in RBCs, or erythrocytosis, is generally not associated with infection. It could indicate other conditions such as polycythemia vera.
Choice D reason: Localized edema, or swelling, can be a sign of infection, especially if accompanied by other symptoms such as redness, warmth, and pain.
Choice E reason: An increase in neutrophils, a type of white blood cell, often indicates the body's response to an infection. Neutrophils are part of the immune system's first line of defense against pathogens.
Correct Answer is B
Explanation
Choice A reason: An oral temperature of 38.2°C (100.76°F) is slightly elevated but can be expected postoperatively as the body responds to surgical stress. It is not necessarily an indication of a complication unless it rises significantly or is accompanied by other symptoms.
Choice B reason: The output of burgundy colored urine can indicate bleeding in the urinary tract, which is a potential complication after TURP. Normal urine color ranges from pale yellow to deep amber, depending on hydration levels. Burgundy colored urine postTURP could suggest the presence of blood, warranting further assessment and intervention.
Choice C reason: Feeling an urge to void despite having an indwelling urinary catheter can be uncomfortable but is not uncommon after TURP due to irritation of the bladder. It is not typically a sign of a complication unless accompanied by other symptoms such as pain or difficulty urinating once the catheter is removed.
Choice D reason: A pulse rate of 58/min is within the normal resting range for adults, which is typically 60100 beats per minute. A lower than average pulse rate postoperatively might be normal for the patient, especially if they are on medications like betablockers, or it could be a sign of a good fitness level.
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