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Which type of immunodeficiency disorder is characterized by a deficiency in immunoglobulin A (Ig

A.

a. Selective IgM deficiency

B.

X-linked agammaglobulinemia

C.

Common variable immunodeficiency (CVID)

D.

Selective IgA deficiency

Answer and Explanation

The Correct Answer is D

Explanation: The correct answer is d. Selective IgA deficiency. This disorder is characterized by a lack of immunoglobulin A, which can lead to an increased susceptibility to infections, particularly in the respiratory and gastrointestinal tracts.

Incorrect choices:

a. Selective IgM deficiency is a rare immunodeficiency disorder characterized by a lack of immunoglobulin M (IgM), not IgA.

b. X-linked agammaglobulinemia is a primary immunodeficiency disorder caused by a mutation in the BTK gene, resulting in a deficiency of B cells and immunoglobulins.

c. Common variable immunodeficiency (CVID) is a heterogeneous group of disorders characterized by decreased levels of immunoglobulins, including IgA, IgG, and IgM.


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Related Questions

Correct Answer is C

Explanation

Explanation: The correct answer is c. "I need to limit my fluid intake to prevent fluid overload." There is no specific recommendation to limit fluid intake for clients with immunodeficiency disorders unless they have a medical condition that requires fluid restriction. Adequate fluid intake is essential for overall health, including immune function.

Incorrect choices:

a. Eating a balanced diet with plenty of fruits and vegetables is important for overall well-being, including supporting the immune system in clients with immunodeficiency disorders.

b. Avoiding raw or undercooked meat and eggs is recommended to prevent foodborne infections in all individuals, including those with immunodeficiency disorders.

d. Avoiding unpasteurized dairy products is important to reduce the risk of infections caused by foodborne pathogens in all individuals, including those with immunodeficiency disorders.

Correct Answer is C

Explanation

Explanation: The correct answer is c. Chronic diarrhea. Primary immunodeficiency disorders can affect the gastrointestinal system, leading to chronic diarrhea due to frequent infections and inflammation.

Incorrect choices:

a. Unexplained weight loss is not a specific symptom of primary immunodeficiency disorders. It may be seen in various other medical conditions, such as cancer or metabolic disorders.

b. Recurrent skin rashes are not a characteristic symptom of primary immunodeficiency disorders. Skin rashes may be caused by allergic reactions or dermatological conditions.

d. Difficulty falling asleep is not typically associated with primary immunodeficiency disorders. It may be related to sleep disorders or anxiety.

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