APPLIED RADIOLOGICAL ANATOMY

ANATOMY

CHEST AND CARDIOVASCULAR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which option is an ADAPTATION to exercise?
A
Decreased resting heart rate
B
Increased heart rate
C
Anticipatory rise
D
Redirection of blood
Explanation: 

Detailed explanation-1: -Vigorous aerobic exercise, such as running or cycling, has the most effect on lowering your resting heart rate. Moderate-intensity exercise such as brisk walking has less effect. RHR is lowered as the heart muscle becomes stronger and gets better at pumping out more blood per heartbeat.

Detailed explanation-2: -The functionally most important adaptation is the improvement in maximal cardiac output which is the result of an enlargement in cardiac dimension, improved contractility, and an increase in blood volume, allowing for greater filling of the ventricles and a consequent larger stroke volume.

Detailed explanation-3: -Examples: Brisk walking, running, swimming, cycling, playing tennis and jumping rope. Heart-pumping aerobic exercise is the kind that doctors have in mind when they recommend at least 150 minutes per week of moderate activity.

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