Cardiovascular Parameters

Question 0

What happens to heart rate at rest with 10 or more weeks of aerobic training?

Answer 0

Decreases

Question 1

What is heart rate at rest?

Answer 1

70 beats/min

Question 2

By what mechanism does heart rate at rest decrease with 10 or more weeks of aerobic training?

Answer 2

An increase in parasympathetic innervation

Question 3

What happens to heart rate during submaximal exercise with 10 or more weeks of aerobic training?

Answer 3

Decreases

Question 4

By what mechanism during submaximal exercise does heart rate decrease with 10 or more weeks of aerobic training?

Answer 4

A decrease in sympathetic innervation

Question 5

How to calculate heart rate during maximal exercise?

Answer 5

220-age

Question 6

What happens to heart rate during maximal exercise with 10 or more weeks of aerobic training?

Answer 6

Slight decrease if > 180 prior to training

Question 7

How is stroke volume expressed?

Answer 7

mL/beat

Question 8

What is stroke volume at rest?

Answer 8

70 mL/beat

Question 9

What happens to stroke volume with 10 or more weeks of aerobic training?

Answer 9

Increases, to about 90 mL/beat

Question 10

By what mechanism does heart rate at maximal exercise decrease with 10 or more weeks of aerobic training?

Answer 10

A decrease in sympathetic innervation

Question 11

By what mechanism does stroke volume at rest increase with 10 or more weeks of aerobic training?

Answer 11

The Frank Starling mechanism and an increase in myocardial contractility