ECG Basics

Where does ventricular re-polarization occur?

• A

• B, C, & D

• E

• C and D

Tags

NGSS.HS-PS2-5

Which node is considered the "pacemaker" of the heart?

• SA

• AV

Where does atrial depolarization occur?

• A

• B, C, and D

• E

• C and D

Blood enters the heart from the _______?

• Superior and inferior vena cava

• Bicuspid and Tricuspid

• aorta

• pulmonary artery

From the pulmonary valve blood enters the _______?

• aortic artery

• pulmonary valve

• pulmonary artery

• aortic valve

After the blood returns from the lungs, it is now____?

• deoxygenated

• oxygenated

• purple

Once blood passes through the mitral/ bicuspid valve, it enters the________?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

Blood is forced from the left ventricle up through the_______ first?

• pulmonary valve

• aorta

• tricuspid valve

• aortic valve

Normal heart rate for an adult is?

• 20 to 100/min

• 40 to 120/min

• 60 to 100/min

• 20 to 60/min

Tags

NGSS.HS-LS1-3

The normal heart rhythm is called?

• Sinus brady

• ventricle fibrillation

• Normal sinus rhythm

• Junctional Rhytms