The Heart

Question 1

Answer 1

Question 2

We have a double circulatory system and a 4 chambered heart. What does this mean…

• double circulatory system:
• four chambered heart:

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

Answer 5

Question 6

Answer 6

Question 7

What are the four chamber of the heart?

• visualise a diagram of them

Answer 7

Question 8

What are the 4 major valves in the heart?

• visualise a diagram of them

Answer 8

Question 9

What are the 4 blood vessels that flow into or out of the heart?

• visualise a diagram of them

Answer 9

Question 10

Visualise these on a diagram of a heart - could you label them?

• papillary muscle
• tendinous cords
• septum
• pericardium (heart muscle)

Answer 10

Question 11

Answer 11

Question 12

What happens in atrial systole?

Answer 12

Question 13

What happens in ventricular systole?

Answer 13

Question 14

What happens in diastole?

Answer 14

Question 15

Answer 15

Question 16

Visualisation test:

Can you picture a graph of pressure change (y axis) against time (x axis). It should have 3 lines

• Left Atrium pressure
• Left ventricle pressure
• Aorta pressure

Answer 16

Question 17

Answer 17

Question 18

6 mark Essay Practice:

Describe how electrical activity in the heart causes the events of the cardiac cycle.

First the SAN…..

Answer 18

Question 19

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Question 20

Answer 20

Question 21

Visualisation task:

Can you picture the ECG from a single heart beat?

What would it look like and what is each part of the diagram called?

Answer 21

Question 22

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Question 23

What is a P wave (on an ECG trace)

• visualise
• what event is it linked to

Answer 23

Question 24

What is a QRS complex (on an ECG trace)

• visualise
• what event is it linked to

Answer 24

Question 25

What is a T wave (on an ECG trace)

• visualise
• what event is it linked to

Answer 25