Which type of immunodeficiency disorder is characterized by a deficiency in immunoglobulin A (Ig
a. Selective IgM deficiency
X-linked agammaglobulinemia
Common variable immunodeficiency (CVID)
Selective IgA deficiency
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. Autoimmune diseases are a potential complication of primary immunodeficiency disorders. When the immune system is deficient or dysfunctional, it may fail to distinguish between self and non-self antigens, leading to the development of autoimmune diseases.
Incorrect choices:
a. Hypertension is a condition characterized by high blood pressure and is not directly related to primary immunodeficiency disorders.
b. Chronic fatigue syndrome is a complex disorder with unknown causes and is not directly related to primary immunodeficiency disorders.
d. Diabetes mellitus is a metabolic disorder caused by insufficient insulin production or insulin resistance and is not directly related to primary immunodeficiency disorders.
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.
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