Which type of immunodeficiency disorder is inherited in an X-linked recessive pattern and primarily affects males, leading to the absence of mature B cells and immunoglobulins?
Selective IgA deficiency
DiGeorge syndrome
X-linked agammaglobulinemia
Severe combined immunodeficiency (SCID)
The Correct Answer is C
Explanation: The correct answer is c. X-linked agammaglobulinemia. This disorder primarily affects males and is caused by mutations in the BTK gene, resulting in a lack of mature B cells and immunoglobulins.
Incorrect choices:
a. Selective IgA deficiency is a primary immunodeficiency disorder characterized by a deficiency of immunoglobulin A (IgA), and it can affect both males and females.
b. DiGeorge syndrome is caused by a chromosome 22 deletion and is not inherited in an X-linked recessive pattern.
d. Severe combined immunodeficiency (SCID) is a group of disorders that can be inherited in various patterns, including autosomal recessive, autosomal dominant, or X-linked recessive. SCID affects both males and females and results in a severe deficiency of T cells, B cells, and natural killer (NK) cells.
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Related Questions
Correct Answer is C
Explanation
Explanation: The correct answer is c. Implement strict infection control measures. Clients with immunodeficiency disorders have a weakened immune system and are more susceptible to infections. Implementing strict infection control measures, such as hand hygiene, using personal protective equipment, and limiting exposure to potential sources of infection, can help prevent the spread of pathogens and protect the client from infections.
Incorrect choices:
a. Encouraging the client to participate in crowded social gatherings can put the client at risk of exposure to infectious agents, which is not appropriate for someone with immunodeficiency.
b. Live vaccines contain weakened pathogens and are contraindicated for clients with immunodeficiency disorders, as they can cause serious infections in this population.
d. While a diet high in fresh fruits and vegetables is generally beneficial for overall health, it does not specifically address the increased risk of infections in clients with immunodeficiency disorders. Strict infection control measures are more relevant to preventing infections in these clients.
Correct Answer is B
Explanation
Explanation: The correct answer is b. Common variable immunodeficiency (CVID). CVID is a primary immunodeficiency disorder characterized by a reduced level of immunoglobulins, particularly IgA, leading to an increased susceptibility to infections.
Incorrect choices:
a. Severe combined immunodeficiency (SCID) is a more severe immunodeficiency disorder that affects multiple components of the immune system, not specifically IgA levels.
c. DiGeorge syndrome is caused by a genetic abnormality and is characterized by a defect in the development of certain organs, including the thymus and parathyroid glands. It may result in immune system abnormalities but does not primarily involve IgA deficiency.
d. Wiskott-Aldrich syndrome is a rare X-linked genetic disorder that affects platelet function and immune system regulation but is not specifically associated with IgA deficiency.
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