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 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.

A. Environmental factors B. Genetic or inherited defects C. Autoimmune reactions D. Excessive production of white blood cells

Correct Answer is B

Explanation

Explanation: The correct answer is b. Genetic or inherited defects. Immunodeficiency disorders are primarily caused by genetic mutations or defects that result in a weakened or impaired immune system.

Incorrect choices:

a. While environmental factors can contribute to the development of secondary immunodeficiency disorders, they are not the primary cause of most immunodeficiency disorders.

c. Autoimmune reactions are not the primary cause of immunodeficiency disorders. Autoimmune disorders involve the immune system attacking the body's own tissues, not a deficiency in the immune system.

d. Excessive production of white blood cells is not the primary cause of immunodeficiency disorders. In fact, immunodeficiency disorders are characterized by a deficiency or impairment of white blood cells, which are essential components of the immune system.

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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

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

What is the primary cause of immunodeficiency disorders?

Correct Answer is B

Explanation

Which type of immunodeficiency disorder is characterized by a lack of T cell function and is often referred to as "bubble boy disease"?

The nurse is caring for a client suspected of having an immunodeficiency disorder. Which diagnostic test should the nurse anticipate being prescribed for the client?

The nurse is caring for a child with an immunodeficiency disorder. Which clinical manifestation should the nurse expect to assess in the child?

The nurse is caring for a client with human immunodeficiency virus (HIV) infection. Which intervention should the nurse include in the client's plan of care?

Which of the following statements is true regarding immunodeficiency disorders?

Which type of immunodeficiency disorder is characterized by a lack of mature B cells and an inability to produce antibodies?

Which of the following clinical manifestations is often observed in individuals with severe combined immunodeficiency (SCID)?

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