Understanding Hunger: A Quiz on Body Signals and Cravings

What is the primary focus of the introduction section?

• The impact of junk food on health

• The mystery behind why we feel hungry

• The role of hormones in hunger

• The process of digestion

What is the function of the migrating motor complex (MMC)?

• To release stress hormones

• To signal the brain to eat

• To flush leftovers through the intestines

• To increase blood sugar levels

Which hormone is responsible for the stomach rumble?

• Cortisol

• Motilin

• Leptin

• Ghrelin

What role does ghrelin play in hunger?

• It suppresses appetite

• It signals the brain to stop eating

• It activates neurons that increase hunger

• It increases blood sugar levels

Where does hunger sometimes originate besides the stomach?

• In the muscles

• In the liver

• In the blood

• In the brain

What can cause you to feel hungry even when full?

• Excessive exercise

• Cravings triggered by food smells

• High levels of motilin

• Low blood sugar

What does the vagus nerve communicate to the brain?

• The level of stress hormones

• The body's temperature

• The fullness of the stomach and nutrient levels

• The need for sleep

What happens when blood sugar levels drop too low?

• The body releases cortisol and adrenaline

• The body releases motilin

• The body increases leptin levels

• The body decreases ghrelin production

Why do we sometimes crave junk food?

• It suppresses hunger hormones

• It is low in calories

• It releases chemicals that create a feeling of reward

• It is high in nutrients

How does sickness affect appetite?

• It increases cravings for junk food

• It has no effect on appetite

• It reduces hunger to focus on fighting infection

• It increases hunger to boost energy