The nurse is caring for an infant suspected of having severe combined immunodeficiency (SCID). Which diagnostic test should the nurse anticipate being prescribed for the infant?
Tuberculin skin test (TST)
Western blot test
Flow cytometry
Liver function tests
The Correct Answer is C
Explanation: The correct answer is c. Flow cytometry. Flow cytometry is a specialized test used to analyze the different cell types in a blood sample. In the case of SCID, flow cytometry can help identify the absence or severe deficiency of T cells and B cells, which are essential components of the immune system.
Incorrect choices:
a. A tuberculin skin test (TST) is used to detect exposure to tuberculosis (TB) and is not specific to diagnosing SCID.
b. A Western blot test is a type of immunoassay used to detect specific antibodies or antigens in the blood but is not specific to diagnosing SCID.
d. Liver function tests are used to assess the health of the liver and are not specific to diagnosing SCID.
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Correct Answer is D
Explanation
Explanation: The correct answer is d. Ensuring the client receives prophylactic antibiotics as prescribed. Prophylactic antibiotics are commonly prescribed for clients with immunodeficiency disorders to prevent bacterial infections. It is essential to adhere to the prescribed antibiotic regimen to minimize the risk of infections in these clients.
Incorrect choices:
a. Administering live vaccines is contraindicated in clients with immunodeficiency disorders, as live vaccines can cause severe infections in this population. Only inactivated vaccines are recommended for these clients.
b. Regular physical exercise is beneficial for overall health, but it is not a specific intervention for managing immunodeficiency disorders.
c. Strict isolation precautions may be necessary for clients with severe immunodeficiency or during periods of increased infection risk, but it is not the priority intervention for all clients with immunodeficiency disorders.
Correct Answer is A
Explanation
Explanation: The correct answer is a. Complete blood count (CBC) with differential. A CBC with differential is a standard diagnostic test used to assess the levels of different blood cells, including white blood cells, which are crucial for the immune system. Abnormalities in the white blood cell count and differential can indicate potential immunodeficiency.
Incorrect choices:
b. A chest X-ray is not a specific diagnostic test for immunodeficiency disorders. It is typically used to assess the condition of the lungs and chest organs.
c. An electrocardiogram (ECG) is a test used to assess the electrical activity of the heart and is not related to the diagnosis of immunodeficiency disorders.
d. A urinalysis is a test used to assess the urine for various abnormalities and is not specific to diagnosing immunodeficiency disorders.
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