Understanding Cancer in Animals

What is the estimated number of cell divisions required to build a human body?

• 10 to the 10th

• 10 to the 12th

• 10 to the 14th

• 10 to the 16th

According to the video, how does the risk of cancer change with height in humans?

• Decreases by 5% for every 10 cm

• Increases by 10% for every 10 cm

• Decreases by 10% for every 10 cm

• Increases by 5% for every 10 cm

What is Peto's paradox?

• The observation that larger animals have higher cancer rates

• The observation that cancer rates are not proportional to body size and lifespan

• The observation that only humans get cancer

• The observation that smaller animals never get cancer

How many copies of a particular tumor suppressor gene do elephants have compared to humans?

• 1 copy

• 10 copies

• 20 copies

• 5 copies

What is one reason larger animals might have fewer mutations per cell?

• They have faster metabolic rates

• They have slower metabolic rates

• They have more cells

• They have fewer cells

What lifestyle factor is linked to higher cancer rates in humans?

• High physical activity

• Low calorie intake

• Western-type diet

• Mediterranean diet

What role do environmental carcinogens play in human cancers?

• They are responsible for up to 90% of cancers

• They are responsible for up to 25% of cancers

• They are responsible for up to 75% of cancers

• They are responsible for up to 50% of cancers

Which animals face the highest rates of cancer death according to their diet?

• Insectivores

• Herbivores

• Omnivores

• Carnivores

What is one potential benefit of studying large animals in cancer research?

• To decrease the lifespan of humans

• To increase the size of human cells

• To develop new cancer treatments for humans

• To find new species of animals

What is a unique advantage humans have in combating cancer?

• Accelerating evolution

• Studying evolution's answers

• Increasing cell division

• Decreasing body size