WorksheetsCheckpoint: Control of Heart Rate
Total questions: 9
Worksheet time: 5mins
What part of the heart initiates the heartbeat?
Bundle of His
Sinoatrial node
Atrioventricular node
Myogenic nodule
What part of the brain unconsciously controls heart rate?
Cerebellum
Cerebral cortex
Medulla oblongata
Corpus Callosum
Where is the SAN located?
A
B
C
D
Which label indicates the Bundle of His?
A
B
C
D
Where are the chemoreceptors found that are involved in heart rate control?
Aorta and carotid. artery
Carotid artery and vena cava.
Ventricles and atria.
Aorta, carotid artery, medulla.
What system are the sympathetic and parasympathetic neurones part of?
Voluntary
Autonomic
Which neurone is responsible for increasing heart rate?
Parasympathetic
Sympathetic
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
