Activity 3.1.3 Stayin’ Alive?

What does AED stand for?

• Automated External Defibrillator

• Automated Emergency Device

• Automatic External Device

• Automated Emergency Defibrillator

In an emergency, the shock provided by an AED can be the difference between ______ and death.

• life

• injury

• illness

• recovery

The AED is a lifesaving tool used in ______ situations.

• emergency

• routine

• non-urgent

• recreational

What is the primary role of the right atrium?

• To pump blood to the lungs

• To receive blood from the body

• To pump blood to the body

• To receive blood from the lungs.

Fill in the blank: The SA node is crucial for _______.

• Blood circulation

• Heartbeat regulation

• Oxygen exchange

• Blood filtration

Which chamber of the heart receives oxygenated blood from the lungs?

• Right ventricle

• Left atrium

• Left ventricle

• AV node

Which part of the heart is responsible for pumping deoxygenated blood to the lungs?

• Right ventricle

• Left atrium

• Left ventricle

• AV node

The _______ is responsible for delaying the electrical impulse before it reaches the ventricles.

• Right ventricle

• AV node

• Left atrium

• Purkinje fibers

What does an electrocardiogram (EKG) record?

• Blood pressure

• Electrical events in the heart

• Heart rate

• Oxygen levels

The QRS complex in an EKG represents: A) Atrial contraction B) Ventricular contraction C) Heart relaxation D) Blood flow.

• Atrial contraction

• Ventricular contraction

• Heart relaxation

• Blood flow