The nurse is reviewing the diagnostic evaluation for a client with suspected immunodeficiency disorder. Which finding would be consistent with a potential diagnosis of severe combined immunodeficiency (SCID)?
Increased levels of circulating B cells
Elevated immunoglobulin M (IgM) levels
Abnormal antibody response to vaccinations
Absence or significantly reduced T cell levels
The Correct Answer is D
Explanation: The correct answer is d. Absence or significantly reduced T cell levels. Severe combined immunodeficiency (SCID) is characterized by a severe deficiency or absence of T cells, which are essential for cell-mediated immunity.
Incorrect choices:
a. Increased levels of circulating B cells are not characteristic of SCID. In SCID, both T and B cell immunity are affected, and the client may have reduced levels of both.
b. Elevated immunoglobulin M (IgM) levels may occur in certain types of immunodeficiency disorders, but it is not a specific finding for SCID.
c. Abnormal antibody response to vaccinations can be observed in various immunodeficiency disorders, but it does not specifically indicate SCID.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The correct answer is c. Ataxia-telangiectasia. Ataxia-telangiectasia is a rare genetic disorder that affects the cerebellum, causing poor muscle coordination (ataxia) and small, dilated blood vessels (telangiectasias). It also leads to defective T-cell function, making affected individuals more susceptible to infections.
Incorrect choices:
a. X-linked agammaglobulinemia (XLA) is a primary immunodeficiency disorder that primarily affects B-cell function, leading to a lack of mature B cells and low levels of immunoglobulins, but does not involve defective T-cell function.
b. Selective immunoglobulin A (IgA) deficiency is characterized by a deficiency of IgA, but it does not typically lead to defective T-cell function.
d. DiGeorge syndrome is caused by a deletion on chromosome 22 and primarily affects the development of certain organs, including the thymus and parathyroid glands, resulting in T-cell deficiency. While it may lead to some B-cell abnormalities, defective T-cell function is the hallmark of this disorder.
Correct Answer is C
Explanation
Explanation: The correct answer is c. "I should avoid close contact with pets to reduce the risk of infections." While it is essential to practice good hygiene when handling pets, avoiding close contact with pets is not typically necessary for clients with immunodeficiency disorders unless they have a specific allergy or pet-related infection.
Incorrect choices:
a. Avoiding crowded places and large gatherings is important for clients with immunodeficiency disorders, as it helps reduce the risk of exposure to infections.
b. Cleaning and disinfecting frequently touched surfaces in the home regularly can help prevent the transmission of infections in clients with immunodeficiency disorders.
d. Wearing a mask when visiting the hospital or healthcare settings is a standard infection prevention measure for clients with immunodeficiency disorders to reduce the risk of acquiring infections from others.
VI. Nursing Considerations:
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