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?

Explanation: The correct answer is c. Severe combined immunodeficiency (SCID). SCID is a group of rare genetic disorders that affect both T cells and B cells, resulting in a severe impairment of the immune system. Individuals with SCID are highly susceptible to infections and may need to live in a protected environment to avoid exposure to pathogens, hence the term "bubble boy disease."

Incorrect choices:

a. DiGeorge syndrome is a primary immunodeficiency disorder characterized by abnormalities in the development of certain organs, including the thymus, leading to impaired T cell function, but it does not affect B cell function.

b. X-linked agammaglobulinemia is a primary immunodeficiency disorder characterized by a lack of mature B cells and an inability to produce antibodies, but it does not affect T cell function.

d. Acquired immunodeficiency syndrome (AIDS) is a secondary immunodeficiency disorder caused by the human immunodeficiency virus (HIV) infection, which specifically targets and destroys CD4+ T cells, but it does not affect B cell function.

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.