1. When the cardiac rhythm displayed on the EKG strip shows no relationship between the P wave and the QRS complex, you should suspect: a. First-degree block                       c. Third-degree...

1. When the cardiac rhythm displayed on the EKG strip shows no relationship between the P wave and the QRS complex, you should suspect:

a. First-degree block                       c. Third-degree block

b. Second-degree block                                d. Electromechanical dissociation

2. In the presence of stable angina pectoris, which is often associated with exercise and due to increased oxygen requirements, the pain is most often:

a. Predictable                    c. Never very severe

b. Not predictable           d. Usually undetectable