Linda, a 45-year-old patient, is admitted for pneumonia. She has a productive cough.Which respiratory defense mechanism is primarily responsible for removing the pathogenic microorganisms?

Filtration of air

Reflex bronchoconstriction

Alveolar macrophages

Cough reflex

Answer and Explanation

The Correct Answer is D

A.   This mechanism helps to remove particles and microorganisms from the air before they enter the lungs but is not primarily responsible for removing pathogens already present in the lungs.

B.   Bronchoconstriction typically occurs in response to irritants or allergens and is not directly involved in removing pathogens.
C.   While alveolar macrophages play a role in immune defense within the lungs, they are not the primary mechanism for removing pathogens causing pneumonia.
D.   The cough reflex is the body's primary mechanism for expelling pathogens and debris from the respiratory tract, making it the most appropriate choice in this scenario.

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Correct Answer is D

Explanation

A. While antiepileptic drugs are sometimes used to manage neuropathic pain, the priority in George's case is preventing complications related to diabetic neuropathy.
B. Dialysis is not indicated for neuropathy management.

C. While managing blood glucose levels is important in diabetes management, immediate insulin administration may not be necessary unless George is experiencing hyperglycemic crisis.
D. This is the priority intervention to prevent complications such as diabetic foot ulcers and infections.

A. Bronchial blood supply evaluation B. Oximetry C. Mixed venous blood gases D. Pulmonary blood supply evaluation

Correct Answer is B

Explanation

A. Bronchial blood supply evaluation is not a direct method of monitoring oxygenation status.
B. Oximetry measures oxygen saturation (SaO2) continuously and non-invasively, providing real-time information about oxygen levels in the blood, which is essential for monitoring a patient with COPD.

C. Mixed venous blood gases provide information about oxygen extraction by tissues but are not commonly used for continuous monitoring of oxygenation status.
D. Pulmonary blood supply evaluation may involve various imaging techniques or invasive procedures but is not used for continuous monitoring of oxygenation status.

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Linda, a 45-year-old patient, is admitted for pneumonia. She has a productive cough.Which respiratory defense mechanism is primarily responsible for removing the pathogenic microorganisms?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is B

Explanation

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