PL2 Recap quiz

Gas exchange takes place in the

• Alveoli

• Trachea

• 1. Bronchi

• Phraynx

Which chamber of the heart RECEIVES blood FROM THE LUNGS?

• Right Atrium

• Right Venctricle

• Left Atrium

• Left Ventricle

Which of the following physiological response is to increase cardiac output?

• Decrease heart rate

• Decrease respiration

• Vasodilation

• Increase heart rate

Electrical impulses of the heart starts from the

• AV Node

• SA Node

• Purkinje fibres

• Bundle of His

Which of the following is a hormone responsible for regulating blood glucose?

• Insulin

• Glycogen

• Adrenaline

• Histamine

Brain is sensitive to changes in _ (you may select multiple answers)

• oxygen

• glucose

• light

• pressure

• temperature

Which one of the following directional term is defined as “away from the head”?

• Anterior

• Posterior

• Superior

• Inferior

Which type of gas is expelled from the body due to gas exchange?

• Oxygen

• Carbon Monoxide

• Carbon Dioxide

• Nitrogen

Assuming stroke volume remains the same, how can the heart increase cardiac output?

• Decrease peripheral resistance

• Vasodilation of coronary artery

• Decrease heart rate

• Increase heart rate

The pacemaker of the heart starts at the

• SA Node

• AV Node

• purkinje fibers

• ventricles