T or F: Two good ways to wind down before going to bed are watching TV and playing a smartphone game.

• false

• true

Teens who exercise on a regular basis, typically have _______.

• Lower body fat, stronger bones, and less depression

• stronger bones, less depression and more fatigue

• Healthier appetites, strong muscles, and stronger bones

You should spend no more than_____ hours per day on sedentary screen time.

• Five

• four

• two

• one

T or F: if you want to stay healthy and keep your weight down, skip breakfast.

• True

• False

Two enemies of sleep are ________.

• excessive exercise and caffeine

• excessive exercise and yellow light from electronic devices

• Caffeine and moderate exercise

• caffeine and blue light from electronics devices

T or F: The effects of prolonged stress are primarily behavioral-- people get anxious and don't sleep well.

• True

• false

Impulse control in teens is strongly related to _________.

• personality

• the inability to assess risky situations for others

• the incomplete development of the frontal lobe of the brain

_______ increases alertness.

• melatonin

• protein

• carbohydrates

• caffeine

The part of the body that is responsible for heart-lung functioning is called ______.

• heart-lung system

• cardio-pulmonary network

• arterial-circulatory network

• cardio-respiratory system

A correlation describes ______.

• how two or more measurements relate or don't relate to each other

• the relationship between non-family members

• how people relate to each other when they are cooperating