Which of the following immunodeficiency disorders is characterized by a deficiency of immunoglobulin A (Ig
a. Severe combined immunodeficiency (SCID)
Common variable immunodeficiency (CVID)
DiGeorge syndrome
Wiskott-Aldrich syndrome
The Correct Answer is B
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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Related Questions
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.
Correct Answer is A
Explanation
Explanation: The correct answer is a. The procedure will assess the function of the client's immune system. A bone marrow aspiration is a diagnostic procedure that involves extracting a sample of bone marrow to evaluate the production and function of blood cells, including immune cells.
Incorrect choices:
b. A bone marrow aspiration does not involve removing lymph nodes. It is a procedure specifically focused on obtaining a bone marrow sample.
c. General anesthesia is not typically used for a bone marrow aspiration. Instead, local anesthesia is administered to numb the area around the bone marrow site.
d. A bone marrow aspiration is not a blood test to measure circulating antibodies. It is used to evaluate the bone marrow's cellular components, not circulating antibodies.
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