How are primary immunodeficiency disorders different from secondary immunodeficiency disorders?
Primary immunodeficiency disorders are acquired later in life, while secondary immunodeficiency disorders are present from birth.
Primary immunodeficiency disorders result from a genetic or inherited defect, while secondary immunodeficiency disorders are caused by external factors, such as infections or medications.
Primary immunodeficiency disorders primarily affect the skin and mucous membranes, while secondary immunodeficiency disorders primarily affect the respiratory system.
Primary immunodeficiency disorders are more common than secondary immunodeficiency disorders.
The Correct Answer is B
Explanation: The correct answer is b. Primary immunodeficiency disorders result from a genetic or inherited defect, while secondary immunodeficiency disorders are caused by external factors, such as infections or medications.
Incorrect choices:
a. Primary immunodeficiency disorders are present from birth and are usually genetic or inherited, while secondary immunodeficiency disorders can be acquired later in life due to external factors.
c. The manifestations and systems affected by primary and secondary immunodeficiency disorders can vary widely and are not limited to specific areas of the body.
d. Secondary immunodeficiency disorders are more common than primary immunodeficiency disorders, as they can be caused by various factors and are often associated with other medical conditions.
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Correct Answer is C
Explanation
Explanation: The correct answer is c. Failure to thrive. SCID is a severe form of immunodeficiency that affects multiple components of the immune system, leading to recurrent and severe infections and failure to thrive in affected infants.
Incorrect choices:
a. Recurrent ear infections are more commonly seen in other types of immunodeficiency disorders, such as selective IgA deficiency.
b. Chronic fatigue and lethargy may be seen in various medical conditions but are not specific to SCID.
d. Persistent joint pain is not a characteristic symptom of SCID. It may be associated with other autoimmune or inflammatory conditions.
Correct Answer is D
Explanation
Explanation: The correct answer is d. Flow cytometry for lymphocyte subsets. Flow cytometry is a diagnostic test used to analyze the quantity and types of lymphocytes in the blood, which helps identify abnormalities in the immune system and diagnose immunodeficiency disorders.
Incorrect choices:
a. A complete blood count (CBC) provides general information about the client's overall blood cell counts, but it does not specifically diagnose immunodeficiency disorders.
b. Urinalysis is used to assess kidney function and identify urinary tract infections but is not a specific test for diagnosing immunodeficiency disorders.
c. Skin testing for allergies is performed to identify allergic reactions to specific allergens and is not used to diagnose immunodeficiency disorders.
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