A Patient with Chronic Obstructive Pulmonary Disease (COPD)has Increasing Dyspnea

question 14

Multiple Choice

A patient with chronic obstructive pulmonary disease (COPD) has increasing dyspnea and is being evaluated for heart failure (HF) .Which test will be ordered to help differentiate between dyspnea due to lung dysfunction and dyspnea due to HF?

• A)Atrial natriuretic hormone (ANH) level
• B)Brain natriuretic peptide (BNP) level
• C)Cardiac enzymes
• D)Electrocardiogram (ECG)

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Definitions:

Significant Figures

The number of digits in a value, counting from the first non-zero number, that are used to express the precision of measurements and calculations.

Significant Figures

The numbers of meaningful digits used to express a value accurately, reflecting its precision.

Significant Figures

The numbers of digits in a value that contribute to the precision of that value, reflecting the accuracy of scientific and mathematical measurements.