Pulmonary function tests (A+ Graded Already)

According to ATS standards PFT results should always be reported in ___________? correct answers BTPS Which of the following is used to determine DLCO because of a high affinity for hemoglobin? correct answers Carbon monoxide Prior to bronchodilator administration a patient has a FEV1 of 2.4 L. After 2 puffs of an Albuterol MDI the subjects FEV1changed to 3.4 L. Calculate the percent improvement. correct answers 42% increase A neuromuscular disease can cause a decrease in strength to the respiratory muscles. Which diagnostic value would indicate that the patient would need to be placed on mechanical ventilation? correct answers MIP 20 cmH2O : Yes VC 10 ml/Kg : Yes FEV1% 70% : No FRC 120% : No Which of the following tests is the determinate factor when diagnosing obstructive sleep apnea? correct answers Polysomnography Which of the following can be used to calculate the Inspiratory Capacity (IC)? correct answers VC - ERV Which of the following simple devices is primarily used for hospital bedside, and home monitoring of an asthma patient's degree of airway obstruction? correct answers Peak flow meter The definition "devices that measure flow and convert the results in to a volume reading" best describes which device? correct answers Pneumotachometer Peak expiratory flow rate is used to monitor which of the following? correct answers The total amount of force used to exhale The FRC would likely be shown to be increased above normal in: correct answers Pulmonary fibrosis: no Chronic Bronchitis: yes Asbestosis: no Emphysema: yes N2 (Nitrogen) washout can be used to derive which of the following volumes/capacities? correct answers FRC : yes TLC : no RV : yes IC: no