Which of the following is a potential complication for a patient with atrial fibrillation?

In which of the following is the atrial rate faster than the ventricular rate?1. Atrial fibrillation2. Sinus bradycardia3. Atrial flutter4. Sinus tachycardia

Which of the following medications is used to treat asymptomatic sinus bradycardia?

Which of the following are common characteristics of a premature ventricular complex (PVC)?1. No P wave prior to the QRS complex2. Widened QRS complex3. Bizarre QRS complex4. Narrow QRS complex

Which of the following axis placements represents right-axis deviation?

Which of the following are considered bipolar leads?1. Lead I2. Lead II3. V24. aVF

What term is used to define the ability of certain cardiac cells to depolarize without stimulation?

Which of the following volumes or capacities can be measured by simple spirometry?1. Functional residual capacity (FRC)2. Expiratory reserve volume (ERV)3. Residual volume (RV)4. Inspiratory reserve volume (IRV)

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?

Which of the following statements are true regarding measurement of the patient’s forced vital capacity (FVC)?1. The patient can be sitting or standing.2. Nose clips are not required.3. It is an effort-dependent test.4. Accurate results can be obtained without patient cooperation.