S2L1 review: ECG and Cardiovascular system

The right atrium receives____________ blood from the ________.

• oxygenated, body

• deoxygenated, body

• oxygenated, lungs

• deoxygenated, lungs

__________are structures that close to prevent blood from going backwards.

• ventricles

• valves

• veins

• arteries

Tricuspid valve (三尖瓣) is present between

• Left atrium and Left ventricle

• Right atrium and Right ventricle

• Left atrium and Right atrium

• Right ventricle and Left ventricle

When the heart rate is less than 60 beats per minute.

• 室性心动过速

• 窦性心动过缓

• 窦性心律不齐

Which condition below definitely has the heart rate more than 100 beats per minute?
（多选）

• 窦性心律不齐

• 房颤

• 室性心动过速

What is the name of the circled area of the ECG in the diagram?

• P Wave

• QRS Complex

• T Wave

• Cardiac Cycle

What is the name of the circled area of the ECG in the diagram?

• P Wave

• QRS Complex

• T Wave

• Cardiac Cycle

What part of an ECG represents the depolarization of the atria? (心房除极)

• P Wave

• QRS Complex

• T Wave

What part of an ECG represents the depolarization of the ventricles?（心室除极）

• P Wave

• QRS Complex

• T Wave

What is the name of the circled area of the ECG in the diagram?

• P Wave

• QRS Complex

• T Wave

• Cardiac Cycle