Which condition causes an irregular quivering action of the atria?
A) atrial fibrillation
B) defibrillation
C) coronary artery disease
D) ventricular tachycardia
Question 2
A specialist in the study of outbreaks of disease within a population group is known as a/an _____.
A) cytologist
B) epidemiologist
C) pathologist
D) hospitalist