While caring for a patient undergoing treatment for a viral infection, the nurse explains the differences between humoral and cell-mediated immune responses. Which statement accurately describes the cell-mediated immune response?

The body produces new antibodies against the virus.

The patient will experience systemic symptoms like fever and malaise.

Sensitized T lymphocytes specifically target and eliminate the invading viral cells.

Cell-mediated response doesn't kick in until the WBC count rises.

Eating food

Answer and Explanation

The Correct Answer is C

A.   This describes the humoral immune response, where B lymphocytes produce antibodies against the virus.
B.   This describes the systemic effects of inflammation, which can occur in both humoral and cell-mediated responses.
C.   This accurately describes the cell-mediated immune response, where T lymphocytes directly target and kill infected cells.
D.   The cell-mediated immune response can occur independently of changes in white blood cell (WBC) count.

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Correct Answer is ["B","D","E"]

Explanation

A. Intravenous bicarbonate is not typically indicated in the management of COPD because it can cause metabolic alkalosis and paradoxical intracellular acidosis.
B. Mechanical ventilation improves her gas exchange and correct her acid-base imbalance.
C. Reducing the dose of tiotropium is not appropriate because it is a long-acting bronchodilator that can help prevent bronchospasm and improve airflow in COPD patients.
D. Sarah's low PaO2 indicates hypoxemia, and supplemental oxygen is essential for correcting this. However, in COPD patients, oxygen therapy should be administered cautiously to avoid worsening hypercapnia.
E. Intravenous corticosteroids would reduce the inflammation and mucus production in her airways.

A. To assess kidney function B. To assess lung function C. To identify the type of abnormal protein D. To quantify WBCS

Correct Answer is C

Explanation

A. Immunofixation electrophoresis is not primarily used to assess kidney function.

B. Immunofixation electrophoresis is not used to assess lung function.

C. Immunofixation electrophoresis is a laboratory technique used to identify and characterize abnormal proteins in the blood, which is essential in diagnosing conditions like Waldenstrom's macroglobulinemia.
D. Immunofixation electrophoresis is not used to quantify white blood cells (WBCs).

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While caring for a patient undergoing treatment for a viral infection, the nurse explains the differences between humoral and cell-mediated immune responses. Which statement accurately describes the cell-mediated immune response?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Sarah, a 45-year-old woman with a 10-year history of COPD, presents with a pH of 7.30, PaO2 of 50, and PaCO2 of 60. She is currently taking tiotropium bromide. Which Interventions are most appropriate? Select all that apply.

Correct Answer is ["B","D","E"]

Explanation

Martha, 70, complains of fatigue and anemia. She has a family history of Waldenstrom's macroglobulinemia. The healthcare provider orders Immunofixation Electrophoresis. Why is Immunofixation Electrophoresis important for Martha's case?

Correct Answer is C

Explanation

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