Code for sperm identification from aspiration

In general, medical office staff should arrive at least ________ minutes before patients arrive

A) 5 B) 30 C) 10 D) 15

The ECG you are looking at has one P wave for every QRS complex and the PR interval is 0.30 sec. What is your interpretation?

a. First-degree heart block b. Right-axis deviation c. Third-degree heart block d. Atrial hypertrophy