The Heart

Question 1

What is the top chamber of the heart?

Answer 1

Atrium

Question 2

What is the bottom chamber of the heart?

Answer 2

Ventricle

Question 3

What side has the aorta artery and pulmonary vein

Answer 3

Right (Left Atrium + Ventricle)

Question 4

What side has the Pulmonary Artery + Vena Cava?

Answer 4

Left (Right Atrium + Ventricle)

Question 5

Why does the atria have a thinner muscular wall?

Answer 5

Only needs enough force to push blood down into ventricles

Question 6

The SAN is the heart’s natural what?

Answer 6

Pacemaker

Question 7

The pacemaker’s impulses travel down to the what?

Answer 7

“Bundle of his”, then to the “purkinjie fibres” to make the ventricles contract

Question 8

What is the P wave in a Electrocardiogram?

Answer 8

What represents the contraction

Question 9

What is the T wave in a Electrocardiogram?

Answer 9

What represents ventricle repolarisation

Question 10

What is a pulse oximeter?

Answer 10

Measures blood oxygen saturation with a sensor which shows light (amount of blood absorbed)

Question 11

What is a Arterial Blood Gas Assessment?

Answer 11

Blood sample taken from the wrist to get saturation of oxygen in blood

Question 12

What is a CapillaryBlood Gas Assessment?

Answer 12

Blood sample taken from the earlobe to get saturation of oxygen in blood

Question 13

What is the blood pressure of a healthy 18-year old male?

Answer 13

120/80

Question 14

What is the artery structure?

Answer 14

Thick wall, elastic fibres, smooth endothelial lining

Question 15

What is the arteriole structure? (Hint, same as artery + one more)

Answer 15

Thick wall, elastic fibres, smooth endothelial lining and smooth muscle