U2C6L1: Elements of Health

Question 1

Sedentary

Answer 1

Sitting or resting a great deal; moving very little.

Question 2

Correlation

Answer 2

How two or more measurements relate or don’t relate to each other.

Question 3

Caffeine

Answer 3

A drug found naturally in coffee and tea, which increases alertness.

Question 4

Melatonin

Answer 4

Substance produced by the brain that helps you sleep.

Question 5

Impulse Control

Answer 5

The ability to regulate sudden desires to do something.

Question 6

Irrational

Answer 6

Without reason or sound judgment.

Question 7

What are 5 things that you should do every day to remain healthy?

Answer 7

• Exercise
• Eat a healthy amount and healthy combination of food
• Get enough sleep
• Practice healthy options for controlling stress
• Avoid unsafe behaviors

Question 8

How can teens regulate their screen time?

Answer 8

• Make plans to get out with friends.
• Schedule exercise as part of your daily routine.
• Eat at the dinner table, not in front of the TV or computer.
• Don’t lie in bed while watching or interacting with electronic devices.
• Don’t stay awake waiting for messages.
• Turn off the TV, computer, and/or smartphone at least 30 minutes before bed.

Question 9

What does a healthy eating plan consist of?

Answer 9

• Emphasizes fruits, vegetables, whole grains, and fat-free or low-fat milk, and dairy products.
• Includes lean meats, poultry, fish, beans, eggs, and nuts.
• Is low in saturated fats, trans fats, cholesterol, salt (sodium), and added sugars.
• Stays within your calorie needs.

Question 10

What does your brain need sleep for?

Answer 10

• Concentration
• Quick reactions
• Creating memories and learning
• Coordination

Question 11

Explain the 4 stages of sleep.

Answer 11

1. Awakened easily, sudden body movements, and drifting in/out of awareness.
2. Eye movement stops and brain waves are slower.
3. Brain begins to produce slow waves (delta waves).
4. Produces mostly delta waves.

Question 12

What are the effects of lack of sleep?

Answer 12

Poor grades, poor performance in sports, and possibly car accidents (100,000 accidents/40,000 injuries/1,500 deaths result from drowsy drivers).

Question 13

Explain the effects of blue light and caffeine on sleep.

Answer 13

• Blue light makes it more difficult to fall asleep because it stops the brain from producing melatonin (a chemical that reduces alertness and helps with sleep).
• Caffeine is a drug in coffee/tea that increases alertness and wakefulness.

Question 14

What can prolonged stress cause?

Answer 14

• Headaches
• Weakened immune system
• Anxiety
• Lack of sleep

Question 15

What are 3 ways to reduce stress?

Answer 15

• Keeping a positive outlook
• Keeping a sense of humor
• Ignoring circumstances that can’t be changed

Question 16

Cardio-respiratory

Answer 16

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

Question 17

Explain other behaviors that can impact your health.

Answer 17

• Using drugs/alcohol/tobacco: changes the way the brain functions and damages organs
• Seatbelt use: saves lives/reduces injuries; most states require seatbelt use by law
• Impulsive behavior: a young person’s brain has an underdeveloped frontal lobe, which is responsible for judgment, insight, and impulse control (teens tend to be irrational and you should think before you act to be safe)