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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 D

Explanation

Explanation: The correct answer is d. Teach the client about the importance of hand hygiene and infection control measures. For clients with immunodeficiency disorders, preventing infections is of utmost importance. Hand hygiene and infection control measures, such as proper handwashing techniques and avoiding contact with sick individuals, can help reduce the risk of acquiring infections.

Incorrect choices:

a. While consuming a diet rich in probiotics may be beneficial for gut health, there is no specific evidence to suggest that it will prevent infections in clients with immunodeficiency disorders.

b. Engaging in regular exercise may have various health benefits, but it may not necessarily boost the immune system in clients with immunodeficiency disorders. In fact, excessive exercise can even increase the risk of infections in these individuals.

c. Live vaccines are contraindicated for clients with immunodeficiency disorders, as they can cause severe infections. Only inactivated vaccines are recommended to avoid the risk of vaccine-associated infections.

Correct Answer is C

Explanation

Explanation: The correct answer is c. Immunodeficiency disorders can lead to an increased susceptibility to infections. Immunodeficiency disorders are characterized by a weakened or impaired immune system, making individuals more susceptible to infections, both common and opportunistic.

Incorrect choices:

a. Immunodeficiency disorders result from a weakened immune system, not an overactive one. In overactive immune responses, autoimmune disorders may occur.

b. While some immunodeficiency disorders have a genetic basis, not all cases are caused by genetic factors. Some immunodeficiency disorders can be acquired later in life due to infections, medications, or other factors.

d. Immunodeficiency disorders are not typically treated with anti-inflammatory medications. Treatment may involve immunoglobulin replacement therapy, antiviral medications, or stem cell transplantation, depending on the specific disorder and its underlying cause.

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