Acute Responses CV/Respiratory Systems

What is the response that prepares you for beginning of a competition?

• Aerobic Responses

• Anticipatory Response

• Anabolic Response

• Activation Response

What is hormone is released into the body from the sympathetic nervous system that causes increase in Heart Rate?

• Cortisol

• Amino Acids

• Adrenaline

• Dopamine

How does blood flow redirect towards the muscles during exercise?

• Vasodilation occurs and allows more bloodflow to working muscles.

• Vasoconstriction occurs and allows of more bloodflow to the working muscles.

Why does Breathing Rate increased during exercise?

• Adrenaline is released into the lungs.

• Chemoreceptors detect an increase in lactic acid/CO2 and send signals to breathing muscles.

• Stroke Volume increases due to Cardiac Hypertrophy.

What is Vasodilation?

• When the blood vessel walls expand and increase in diameter.

• When the blood vessel walls narrow and decrease in diameter.

Where does oxygenated blood leave the Heart?

• Right Atrium

• Bicuspid Valve

• Left Ventricle

• Septum

Which 2 muscles are largely responsible for inspiration & expiration?

• Rectus Abdmonis & Latissimus Dorsi

• Abdominals & Pectorals

• Diaphragm & Intercostal Muscles