You have just given your patient a 0.03 mg/ml dose of methacholine to assess for asthma. The subsequent forced vital capacity (FVC) shows no change. What should you do next?

A patient has an inspiratory reserve volume of 2,700 ml, a functional residual capacity (FRC) of 3300 ml, and an expiratory reserve volume (ERV) of 1300 ml. What is the residual volume (RV)?

What is the predicted normal forced vital capacity (FVC) for the average 20-year-old man?

The results of flow-volume loop study indicate that the inspiratory flow curve is normal, however the expiratory flow curve is decreased. Based upon these results, the technologist should interpret these results as

A patient with a self-reported history of intermittent wheezing has a normal results from pre and post bronchodilator spirometry. Which of the following tests would demonstrate hypersensitivity of the patient’s airways?

The following results were obtained from a 62-year-old male:PredictedMeasuredSVC3.5L2.63LFEV12.45L/min1.74L/minFEV1/FVC70%66%These results are most indicative of

During a helium dilution test, the following measurements are made:​​Start​End​Helium chamber volume​6 L​6 L​Helium concentration​10%​6%​Oxygen concentration​30%​25%Calculate functional residual capacity (FRC).

Which of the following best describes airway resistance.

-When you establish relatively high prices to maximize profits while there’s little competition, that’s a pricing strategy. -When you try to reduce the emphasis on price competition by matching other companies’ prices, that’s a pricing strategy. -When you set low prices like Walmart, and then not have special sales, that’s a pricing strategy. -When you price goods and services at price points that make the product appear less expensive than it is, such as $4.99, $999.99, etc, that’s a pricing strategy. -When a product is priced low to attract many customers and discourage competition, that’s a pricing strategy.

The following results were obtained from a 60-year-old patient:PredictedMeasuredSVC4.5 L2.92 LFEV13.15 L/min2.85 L/MinFEV1/FVC70%97%These results are most indicative of