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Which of the following signs and symptoms is most closely associated with respiratory failure in a COPD patient?

A patient is experiencing an exacerbation of COPD. He is 65 years old, slim, and in notable distress with tachypnea, tachycardia, and an arterial blood pH of 7.29 and PaCO2 68 mmHg. Which of the following therapies would be most indicated?

The major pathologic or structural changes seen in the lungs with pulmonary edema include:1.   atelectasis.2.   bronchospasm.3.   high surface tension of alveolar fluids.4.   alveolar flooding.

Poiseuille’s equation deals with a long straight rigid vessel without stenosis.

Which demographic group(s) is/are most likely to develop myasthenia gravis?1.   African-American female > 40 years of age2.   White male < 40 years of age3.   Female 15-35 years of age4.   Male 40-70 years of age

Common noncardiopulmonary manifestations associated with Guillain-Barré is/are:1.   difficulty swallowing.2.   leg pain.3.   distal paresthesia.4.   absent deep tendon reflexes.

Approximately how many Americans are affected by COPD?

According to Poiseuille’s equation, if vessel diameter decreases, the flow rate will increase.

According to Poiseuille’s equation, if the viscosity of a fluid increases, the flow rate will also increase.

The major pathologic or structural changes of the lungs associated with ventilatory failure accompanying myasthenia gravis include:1.   bronchospasm.2.   airway obstruction.3.   mucus accumulation.4.   alveolar dilation.