Control of heart rate

Chemoreceptors are specialized receptors that process...

• light

• chemicals

• touch

• pressure

The specialized sensory receptor that detects light is

• mechanoreceptor

• chemoreceptor

• thermoreceptor

• photoreceptor

The Cardiac conduction system starts at which of the following locations?

• AV Node

• Bundle of His

• Purkinje fibers

• SA Node

The pacemaker of the heart is the _________

• AV node

• SA node

• Bundle of His

• Purkinje Fibre

Which is the correct path of electrical impulses through the heart?

• SA → Purkinje Fibres → Bundle of HIS → AV → Bundle Branches

• SA → AV → Bundle of HIS → Bundle Branches → Purkinje Fibres

• AV → Bundle of HIS → SA → Bundle Branches → Purkinje Fibres

• Bundle of HIS → AV → Bundle Branches → SA → Purkinje Fibers

What is part is labelled A

• AV Node

• SA Node

• Purkinje Fibres

• Bundle of HIS

• Bundle Branches

What is part is labelled B

• AV Node

• SA Node

• Bundle Branches

• Bundle of HIS

• Purkinje Fibres

What is part is labelled C

• AV Node

• SA Node

• Bundle Branches

• Purkinje Fibres

• Bundle of HIS

What is part is labelled D

• AV Node

• SA Node

• Bundle Branches

• Purkinje Fibres

• Bundle Branches

What is the purpose of the Sympathetic Nervous System?

• Increases Heart Rate

• Decreases Heart Rate