What is the function of structure A?

Mix oxygenated and deoxygenated blood

They are the vessels that come off the heart

If fatty deposits form inside the coronary artery, the cardiac muscle receives less oxygen, causing

the rate of respiration to decrease

the rate of reparation to increase

Statins are drugs that

dissolve the fat inside arteries

Statins lower blood cholesterol which

slows down the rate of fatty deposits inside arteries

increases the amount of cardiac muscle in the heart

What is the cause of Coronary Heart Disease?

Build up of fatty deposits due to high levels of LDL cholesterol in the coronary arteries

Build up of plaque in the aorta

Build up of fatty deposits due to high levels of HDL cholesterol in the coronary arteries

Build up of fatty deposits in the left ventricle

Stents are used when fatty deposits build up in the artery, how do they work?

A small balloon with a metal mesh attached around it gets inputted into the artery, the balloon is then inflated to open the blood vessel. The balloon is then removed from the artery to leave the stent in place.

A small balloon with a metal mesh attached around it gets inputted into the artery, the balloon is then inflated to open the blood vessel.

They open up the artery wall and insert a metal mesh straight into the artery

A metal mesh is inputted into the artery which degrades over time

Select all the benefits of stents: (3 answers)

Done without use of general anesthetic

Coronary heart bypass surgery is used as an alternative to stents when arteries are too badly blocked or there are multiple blockages, what are the disadvantages of this treatment? (3 answers)

High risk due to use of general anesthetic

Recovery time is longer - people stay in hospital for longer period after treatment

Recovery time is short - people leave hospital soon after treatment

Statins are used when: (2 answers)

As a control of cholesterol levels for people who have CHD

There are low levels of LDL cholesterol in the blood

There is a low amount of funding and stents are expensive

What is a cause of a leaky valve?

Valves become stiff and don't open fully

Valves become too flexible and open too quickly

Mechanical valves can be used when a person develops leaky valves, choose one advantage and one disadvantage of mechanical valves below: (2 answers)

Made of durable metals making them a long term fix

Made of non-durable metals making them a short term fix

Once completed, there is no further treatment required

Blood clotting is common - permanent medication is required to prevent this

Choose 2 disadvantages of an artificial heart

Parts of the heart can wear out

Can bridge the gap whilst waiting for a heart transplant

No risk of being rejected by the recipients body

Patients can often live a relatively normal lifestyle

When the diaphragm contracts...

the volume of the thoracic cavity increases and the pressure decreases, causing air to rush into the lungs.

the volume of the thoracic cavity decreases and the pressure increases causing air to rush out of the lungs.

B4 review quizizz

Authored by Gareth Woolley

Science

8th - 12th Grade

Used 7+ times

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53 questions

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MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of structure 1?

Left Atrium

Right Atrium

Right Trium

Left Ventricle

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of structure 2?

Right Atrium

Left Atrium

Right Ventricle

Left Ventricle

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of structure 5?

Pulmonary Artery

Aorta

Pulmonary Vein

Vena Cava

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of structure 7?

Pulmonary Artery

Inferior Vena Cava

Pulmonary Vein

Superior Vena Cava

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of structure 6?

Pulmonary Artery

Inferior Vena Cava

Aorta

Superior Vena Cava

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of structure 3?

Left Atrium

Right Atrium

Left ventricle

Pulmonary vein

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of structures 9?

Aorta

Pulmonary artery

Superior Vena cava

Pulmonary vein

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B4 review quizizz

What is the name of structure 1?

What is the name of structure 2?

What is the name of structure 5?

What is the name of structure 7?

What is the name of structure 6?

What is the name of structure 3?

What is the name of structures 9?

What is the name of structure 4?

What is the name of structure 8?

What type of muscle is the heart made up of?

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