CV system 2 SES Yr 1

When the heart is filling with blood it is known as?

• Diastole

• Systole

• Activation phase

• Preparation phase

When the heart contracts it is known as?

• Diastole

• Systole

• Skeletal pump

• Cardiac output

When the heart contracts during systole, what does the tricuspid and bicuspid vavles do?

• Remain unchanged

• Close to prevent back flow of blood into the semi lunar valves

• Open to allow blood through the atria

• Close to prevent back flow of blood into the atria

Which part of the heart is responsible for the initiation of the heart beat?

• Purkinje fiubres

• Bundle of his

• SA node

• AV node

The bundle of his..

• Delays the impulse before passing it onto the ventricles

• Causes the ventricles to contract

• A conducting tissue which transports the impulse down the septum

• Initiates the heart beat

The Purkinje fibres..

• Delays the impulse before passing it onto the ventricles

• Cause the ventricles to contract

• A conducting tissue which transports the impulse down the septum

• Initiates the heart beat

Which part of the blood is responsible for causing clots to prevent injection?

• White blood cells

• Red blood cells

• Platelets

• Plasma

The opening of arterioles increasing blood flow is known as?

• Vaso blood pumping

• Vasodilation

• Vasoconstriction

• Skeletal muscle pump

Which by products does the CV system remove

• Nitrogen

• Carbon dioxide

• Lactate

• Oxygen

Which of the following are roles of the lympatic system? (multiple answers)

• The regulation of movement

• Drainage system to remove waste products and toxins

• Regulation of muscle temperature

• Part of the immune system to fight infection