NEW
Font size
WorksheetsControl of heart rate
Total questions: 20
Worksheet time: 10mins
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
What is the purpose of the Parasympathetic Nervous System?
Increases Heart Rate
Decreases Heart Rate
The SA Node sends what?
Electrical Impulses
Messages
Hormones
Oxygen
The Purkinje Fibres cause what to happen?
Ventricles to contract
Atria to contract
Allows blood to move between atria and ventricles
Separates the heart
Where is the SA Node Located?
Left Atrium
Right Atrium
Left Ventricle
Right Ventricle
Where are the Bundle of HIS and branches located?
Septum
Sternum
Septal
Scapula
What does the AV Node do?
Causes Ventricles to contract
Cause right Atria to contract
Delays passage of impulses to the ventricles
Directs impulses to the apex of the heart
What part of the brain unconsciously controls heart rate?
Cerebellum
Cerebral cortex
Medulla oblongata
Corpus Callosum
What system are the sympathetic and parasympathetic neurones part of?
Voluntary
Autonomic
What neurotransmitter is released to increase impulses from the SAN?
Acetylcholine
Adrenaline
Noradrenaline
Dopamine
What neurotransmitter is released to decrease impulses from the SAN?
Acetylcholine
Adrenaline
Noradrenaline
Dopamine
