Brain Function and Physiology Concepts

What part of the brain is activated when we feel stressed and helps prepare for fight or flight?

• Hippocampus

• Prefrontal cortex

• Amygdala

• Cerebellum

What are the connections between neurons in the brain called that help process and remember information?

• Axons

• Dendrites

• Synapses

• Myelin

What hormone is released during stress that can lead to the loss of connections between brain cells?

• Adrenaline

• Cortisol

• Serotonin

• Dopamine

What is the common name for the short-term headache caused by eating or drinking something very cold too quickly?

• Migraine

• Tension headache

• Brain freeze

• Cluster headache

What happens to the blood vessels in your throat when you consume very cold food or drinks rapidly?

• They expand

• They contract quickly

• They become numb

• They stop functioning

What percentage of our brain do scientists believe we actually use?

• 10%

• 50%

• 75%

• 100%

What two processes help our body lose heat, which a fan can speed up?

• Conduction and Radiation

• Convection and Evaporation

• Absorption and Reflection

• Condensation and Freezing

What is the scientific term for when an object vibrates strongly because a sound wave matches its natural vibration rate?

• Echo

• Pitch

• Resonance

• Amplitude