The P wave on an ECG tracing indicates:
A) myocardial infarction. B) depolarization of the ventricles.
C) depolarization of the atria. D) ventricular repolarization.
C
You might also like to view...
The letter a in the abbreviation "a.c." means:
a. before. c. when needed. b. after. d. in the morning.
The tricuspid valve prevents blood from:
A) moving between the right and left ventricles. B) flowing from the right ventricle into the right atrium. C) bypassing the pulmonary vessels and entering the right heart. D) flowing backward through the left atrium.
Which of the following clinical findings is associated with anemia:
a. Fatigue b. Dyspnea c. Skin pallor d. All of the above
Tests of pulmonary mechanics include: 1. maximum voluntary ventilation. 2. functional residual capacity. 3. forced expiratory flows. 4. forced expiratory volumes
a. 3 and 4 only b. 1 and 2 only c. 1, 2, and 3 only d. 1, 3, and 4 only