Heart rate - Anatomy and Physiology

Question 1

What is the relationship between heart rate, stroke volume and cardiac output?

Answer 1

Heart rate x stroke volume

Question 2

What is heart rate?

Answer 2

Number of times the heart (Or ventricles) beats in a minute.

Question 3

What is Stroke volume?

Answer 3

The amount of blood ejected from the heart (or ventricles) per beat.

Question 4

What is Cardiac output?

Answer 4

The amount of blood ejected from the heart (or ventricles ) per minute.

Question 5

What is the first step?

Answer 5

60-80 BPM

Question 6

What is the second step?

Answer 6

Anticipation rise - Sa mode is triggered because of adrenaline and H.R starts to rise.

Question 7

What is the third step?

Answer 7

Steep rise (Explained in other deck)

Question 8

What is the forth step?

Answer 8

Platoe - Heart rate flattens 02 demand is met 120 - 150

Question 9

What is the 5th step (Maximal) ?

Answer 9

Continued rise - Oxygen demand is not met.

Question 10

What is the 6th step?

Answer 10

Steep fall - Return to rest, 02 debt is repayed.