Which of the following is TRUE about sinus rhythm?
A) It has wide QRS complexes without preceding P waves.
B) It is regular.
C) It has multiple shapes of P waves.
D) It has an irregularly irregular pattern of QRS complexes.
C
Health Professions
You might also like to view...
The built-in rate of each of the three major areas of the conduction system is referred to as the ________ rate
A) fast B) heart C) escape D) inherent
Health Professions
The stimulation of Beta1 receptors causes:
A) bronchial dilation B) decreased blood pressure C) vasodilation D) increased contractility
Health Professions