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Which of the following diagnostic tests is commonly used to assess immune function in individuals suspected of having an immunodeficiency disorder?

A.

Complete blood count (CBC)

B.

Chest X-ray

C.

Allergy skin testing

D.

Immunoglobulin levels

Answer and Explanation

The Correct Answer is D

Explanation: The correct answer is d. Immunoglobulin levels. Immunoglobulin levels, specifically IgG, IgM, and IgA, are commonly measured to assess immune function and identify deficiencies in immunoglobulin production. Abnormalities in immunoglobulin levels can indicate the presence of an immunodeficiency disorder.

Incorrect choices:

a. A complete blood count (CBC) provides information about various blood components, such as red blood cells, white blood cells, and platelets, but it does not specifically assess immune function.

b. A chest X-ray may be used to evaluate the condition of the lungs and detect infections, but it is not a specific test for immunodeficiency disorders.

c. Allergy skin testing is used to diagnose allergies and assess the body's response to allergens, but it is not a diagnostic test for immunodeficiency disorders.


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Related Questions

Correct Answer is B

Explanation

Explanation: The correct answer is b. Recurrent skin infections. Recurrent skin infections are common clinical manifestations of immunodeficiency disorders in the elderly. The weakened immune system makes the skin more susceptible to infections and delays wound healing.

Incorrect choices:

a. Impaired balance and coordination are more commonly associated with neurological disorders or conditions affecting the musculoskeletal system, not immunodeficiency disorders.

c. Vision changes and blindness may be seen in conditions affecting the eyes or the visual system but are not typical clinical manifestations of immunodeficiency disorders.

d. Hearing loss is more commonly associated with conditions affecting the ears or the auditory system and is not a typical clinical manifestation of immunodeficiency disorders.

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.

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