Chapter 20 Heart Part 2

Question 0

Diastole the phase of

Answer 0

Relaxation

Question 1

Systole the phase of

Answer 1

Contraction

Question 2

What is the natural pacemaker which sets the rhythm for contraction of the heart

Answer 2

Sinoatrial node

Question 3

The electrocardiogram is abbreviated either

Answer 3

ECG or EKG

Question 4

The electrocardiogram is a record of action potentials produced by the atrial contraction

Answer 4

Wrong ventrical contractions

Question 5

What is cardiac cycle

Answer 5

Includes all of the events associated with one heart beat

Question 6

What is stoke volume

Answer 6

The volume ejected per beat from each ventrical

Question 7

What is the resting stroke volume of a healthy individual

Answer 7

70ml

Question 8

What is the first heart sound and where is it produced

Answer 8

Lubb and when the atrioventricular valves close

Question 9

What is the second heart sound and where is it produced

Answer 9

Dubb and when the semilunar valves close

Question 10

What is the cardiovascular center that regulates heart rate

Answer 10

Medulla

Question 11

Which type of sensory receptors is a stretch receptor

Answer 11

Baroreceptors

Question 12

When heart rate increases the cardiac output

Answer 12

Increases

Question 13

How does the sympathetic impulses effect heart rate and cardiac output

Answer 13

Increases

Question 14

How does parasympathetic impulses effect heart rate and cardiac output

Answer 14

Decreases

Question 15

The force of contraction of the ventricles increases the cardiac output

Answer 15

Right