Breathing and Respiration Quiz

What does a value of 100% in oxygen saturation indicate?

• Oxygen is not present

• Oxygen levels are dangerous

• Blood is low in oxygen

• Blood is fully saturated with oxygen

Who discovered that oxygen is a necessary part of the air?

• Albert Einstein and Isaac Newton

• Joseph Priestley and Antoine Lavoisier

• Charles Darwin and Gregor Mendel

• Robert Boyle and John Mayow

What is the main function of mitochondria in aerobic respiration?

• To release energy from glucose

• To store lactic acid

• To produce carbon dioxide

• To absorb oxygen

What is the process of breathing in called?

• Exhalation

• Ventilation

• Inhalation

• Diffusion

Where does gas exchange primarily occur in the lungs?

• In the bronchi

• In the trachea

• In the alveoli

• In the diaphragm

What happens to oxygen in the blood after it leaves the lungs?

• It sticks to haemoglobin

• It is converted to carbon dioxide

• It is stored in the liver

• It is released as waste

What is anaerobic respiration?

• Respiration that requires oxygen

• Respiration that occurs without oxygen

• Respiration that occurs in the lungs

• Respiration that produces carbon dioxide

What is the word equation for anaerobic respiration in muscles?

• Lactic acid + oxygen → glucose

• Glucose → lactic acid + some energy

• Oxygen + glucose → carbon dioxide + water + energy

• Glucose + oxygen → carbon dioxide + energy

What is EPOC?

• Endurance post-exercise oxygen control

• Excess post-exercise oxygen consumption

• Energy production in oxygen consumption

• Exercise performance oxygen capacity

What can cause cardiovascular disease?

• Narrowed blood vessels

• Increased oxygen levels

• High glucose levels

• Excessive breathing