Emily, a 50-year-old woman with a past medical history of asthma and GERD, reports irritation and a burning sensation in her airway. Which of the following defense mechanisms is likely compromised?

Reflex bronchoconstriction

Mucocillary clearance system

Filtration of air

Alveolar macrophages

Answer and Explanation

The Correct Answer is B

A.   Reflex bronchoconstriction is a defense mechanism that helps protect the airway during exposure to irritants or allergens, but it wouldn't typically lead to irritation and burning sensation.
B.   The mucociliary clearance system, which helps remove particles and pathogens from the airway by moving mucus upward via ciliary action, is likely compromised in Emily, leading to accumulation of irritants and subsequent symptoms.
C.   Filtration of air occurs primarily in the upper respiratory tract and is not directly related to irritation and burning sensation in the airway.
D.   Alveolar macrophages are primarily involved in defense against pathogens in the alveoli of the lungs and are not directly related to irritation and burning sensation in the airway.

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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).

A. To identify bacterial infection B. To confirm or rule out lymphoma C. To evaluate for genetic disorders D. To measure electrolyte imbalance

Correct Answer is B

Explanation

A. TCR Gene Rearrangement testing is not used to identify bacterial infections.

B. TCR Gene Rearrangement testing is used to detect clonality in lymphoid cells, aiding in the diagnosis of lymphoproliferative disorders such as lymphoma.
C. This testing is not primarily used to evaluate genetic disorders.

D. TCR Gene Rearrangement testing does not measure electrolyte imbalance.

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Emily, a 50-year-old woman with a past medical history of asthma and GERD, reports irritation and a burning sensation in her airway. Which of the following defense mechanisms is likely compromised?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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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Correct Answer is B

Explanation

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