Which type of immunodeficiency disorder is characterized by a defect in T cell function and is often associated with developmental delays, chronic infections, and autoimmune manifestations?

X-linked agammaglobulinemia

DiGeorge syndrome

Wiskott-Aldrich syndrome

Severe combined immunodeficiency (SCID)

Answer and Explanation

The Correct Answer is B

Explanation: The correct answer is b. DiGeorge syndrome. This disorder is caused by a deletion in chromosome 22, resulting in the underdevelopment of the thymus and parathyroid glands. It leads to impaired T cell function and is associated with developmental delays, chronic infections, and autoimmune problems.

Incorrect choices:

a. X-linked agammaglobulinemia is a primary immunodeficiency disorder that primarily affects B cell function, leading to a deficiency of immunoglobulins (antibodies).

c. Wiskott-Aldrich syndrome is an X-linked recessive disorder characterized by a triad of symptoms: eczema, thrombocytopenia (low platelet count), and immunodeficiency.

d. Severe combined immunodeficiency (SCID) is a group of rare disorders characterized by a severe deficiency of T cells, B cells, and natural killer (NK) cells.

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Correct Answer is B

Explanation

Explanation: The correct answer is b. Common variable immunodeficiency (CVID). CVID is an example of a primary immunodeficiency disorder, which is typically caused by genetic mutations affecting the immune system's development and function.

Incorrect choices:

a. Human immunodeficiency virus (HIV) infection is an example of a secondary immunodeficiency disorder, which occurs due to an external factor, such as a viral infection, damaging the immune system.

c. Rheumatoid arthritis is an autoimmune disorder that affects the joints and is not classified as an immunodeficiency disorder.

d. Diabetes mellitus is a metabolic disorder involving insulin production and does not directly affect the immune system's function.

A. Tuberculin skin test (TST) B. Western blot test C. Flow cytometry D. Liver function tests

Correct Answer is C

Explanation

Explanation: The correct answer is c. Flow cytometry. Flow cytometry is a specialized test used to analyze the different cell types in a blood sample. In the case of SCID, flow cytometry can help identify the absence or severe deficiency of T cells and B cells, which are essential components of the immune system.

Incorrect choices:

a. A tuberculin skin test (TST) is used to detect exposure to tuberculosis (TB) and is not specific to diagnosing SCID.

b. A Western blot test is a type of immunoassay used to detect specific antibodies or antigens in the blood but is not specific to diagnosing SCID.

d. Liver function tests are used to assess the health of the liver and are not specific to diagnosing SCID.

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Which type of immunodeficiency disorder is characterized by a defect in T cell function and is often associated with developmental delays, chronic infections, and autoimmune manifestations?

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Naxlex Comprehensive Predictor Exams

Which of the following is a primary immunodeficiency disorder?

Correct Answer is B

Explanation

The nurse is caring for an infant suspected of having severe combined immunodeficiency (SCID). Which diagnostic test should the nurse anticipate being prescribed for the infant?

Correct Answer is C

Explanation

Which of the following clinical manifestations is a common symptom of primary immunodeficiency disorders?

Which of the following statements is correct regarding immunodeficiency disorders?

The nurse is caring for a child with severe combined immunodeficiency (SCID). Which precaution should the nurse take to protect the child from infections?

A nurse is caring for a client with immunodeficiency disorder. Which of the following nursing considerations is appropriate for this client?

Which type of immunodeficiency disorder is characterized by a deficiency or absence of B cells and the inability to produce antibodies?

The nurse is educating a client with an immunodeficiency disorder about infection prevention. Which statement by the client indicates a need for further teaching?

A nurse is caring for a client with immunodeficiency disorder. Which of the following interventions is important to include in the client's plan of care?

The nurse is caring for a client with an immunodeficiency disorder. Which nursing intervention is essential to prevent infections in this client?