💪 Exercise
Which type of exercise is designed to gently prepare your body before a workout?
Warm-up
Starting with a warm-up increases blood flow to your muscles and helps reduce the risk of injury.
Which mineral is best known for helping build and maintain strong bones?
A) Potassium
B) Calcium
C) Iron
D) Zinc
B) Calcium
Explanation: Calcium helps build and maintain strong bones and teeth. Vitamin D helps your body absorb it.
Which food can make some people's urine smell unusual after they eat it?
A) Broccoli
B) Asparagus
C) Spinach
D) Celery
B) Asparagus
Explanation: Asparagus contains sulfur compounds that can create a distinctive odor in urine. Not everyone can produce—or even smell—the odor because of differences in genetics.
What diet encourages eating like prehistoric humans by avoiding grains, beans, and dairy?
A) Mediterranean Diet
B) DASH Diet
C) Paleo Diet
D) Flexitarian Diet
C) Paleo Diet
The Paleo diet is based on the idea of eating foods thought to be available to early humans, although there's little evidence this is the healthiest approach for everyone.
What should you wait 30 minutes after doing before you go swimming, according to an old warning?
Eating
There’s no need to wait exactly 30 minutes after eating before swimming, though a large meal may make vigorous swimming uncomfortable.
True or False: Taking a short walk after a meal can help control blood sugar levels.
True. Even a brief walk after eating can help your muscles use glucose from the bloodstream.
What is the term for the number of times you perform an exercise before taking a break?
Repetitions (reps)
Which beverage is the largest source of added sugar in the average American diet?
A) Fruit juice
B) Sports drinks
C) Soft drinks (soda)
D) Milk
C) Soft drinks (soda)
Explanation: Sugary soft drinks are the biggest source of added sugars for many Americans.
Which vegetable contains the most water?
A) Lettuce
B) Celery
C) Cucumber
D) Zucchini
C) Cucumber
Explanation: Cucumbers are about 96% water, making them one of the most water-rich vegetables.
Which of these diets was originally created to help treat epilepsy—not for weight loss?
A) Atkins Diet
B) Keto Diet
C) South Beach Diet
B) Keto Diet
The ketogenic diet was developed in the 1920s to help reduce seizures in some people with epilepsy. Weight loss became a popular use much later.
True or False: If you stop exercising, muscle turns into fat.
False. Muscle and fat are different tissues. Muscle can shrink when unused, while body fat may increase if activity decreases.
True or False: Taking a nap late in the day can make it harder to fall asleep at night.
True. Late naps can reduce your body’s natural drive to sleep, especially if the nap is long.
Which choice is an example of adding "lifestyle exercise" to your day?
A) Walking to a nearby store instead of driving
B) Taking the stairs instead of the elevator
C) Parking farther away from your destination
D) All of the above
All of the above
Explanation: Lifestyle exercise is any physical activity that becomes part of your everyday routine instead of a planned workout. Small habits like walking more, taking the stairs, and parking farther away can improve your health and add up over time.
What does the word "whole" in whole grains mean?
A) The grain contains all three original parts of the kernel.
B) It has twice as much protein.
C) It contains no carbohydrates.
D) It has fewer calories.
A) The grain contains all three original parts of the kernel.
Explanation: Whole grains include the bran, germ, and endosperm, providing more nutrients and fiber than refined grains.
What food was once so valuable it was used as money by the ancient Aztecs?
A) Corn
B) Cocoa beans
C) Salt
D) Rice
B) Cocoa beans
Explanation: Cocoa beans were so valuable that the Aztecs used them as currency to buy goods and services. They also made a prized chocolate drink from them.
The "Military Diet" claims you can lose weight in just a few days. Which branch of the U.S. military created it?
A) Army
B) Navy
C) None of them
C) None of them
Despite its name, the Military Diet was not created or endorsed by any branch of the U.S. military.
The Military Diet is a three-day, low-calorie eating plan that promises quick weight loss. It was not created by the U.S. military despite its name.
According to an old saying, sitting too close to this household item will ruin your eyes.
The television
Sitting close to the TV may cause temporary eye strain, but it does not permanently damage your eyesight.
True or False: Coffee can stain your teeth.
True
Coffee contains dark pigments called chromogens that can stick to tooth enamel and cause staining over time.
What does the number "26.2" represent in the running world?
A) The number of Olympic marathons held each year
B) The distance of a marathon in miles
C) The average speed of a marathon runner
D) The age of the youngest marathon winner
B) The distance of a marathon in miles
Explanation: A full marathon is 26.2 miles (42.195 kilometers). The distance became the official Olympic marathon length in the early 1900s and is still used today.
Which cooking method generally requires little or no added fat?
A) Deep-frying
B) Steaming
C) Pan-frying
D) Sautéing with butter
B) Steaming
Explanation: Steaming cooks food using hot steam instead of oil, helping preserve nutrients while limiting added fat.
Animal Crackers were first introduced in the United States around which holiday?
A) Valentine's Day
B) Easter
C) Christmas
D) Thanksgiving
C) Christmas
Explanation: Animal Crackers were introduced by Nabisco in 1902 as a Christmas novelty. Each box had a string attached so it could be hung on a Christmas tree as an ornament.
Which nutrient is almost completely eliminated on a strict Carnivore Diet?
A) Protein
B) Carbohydrates
C) Fat
B) Carbohydrates
Since the Carnivore Diet excludes nearly all plant foods, it contains very few carbohydrates.
The Carnivore Diet includes only animal foods, such as meat, fish, eggs, and some dairy, while avoiding fruits, vegetables, grains, and legumes.
Which old-fashioned health warning claimed this would “stay in your stomach for seven years”?
A. Swallowed chewing gum
B. Watermelon seeds
C. Popcorn kernels
D. Toothpaste
A. Swallowed chewing gum
Your body cannot fully digest gum, but it still moves through your digestive system rather than staying there for years.
True or False: Dentures can get cavities just like natural teeth.
False
Dentures cannot develop cavities because they are not made of natural tooth enamel. However, they still need daily cleaning to remove food, plaque, and bacteria.
Which of these activities typically burns the most calories in 30 minutes?
A) Walking at a brisk pace
B) Swimming laps
C) Gardening
D) Bowling
B) Swimming laps
Explanation: Swimming works both the upper and lower body while providing resistance from the water, making it one of the highest calorie-burning activities on this list.
The Mediterranean diet is most known for emphasizing which type of fat?
A) Trans fat
B) Saturated fat
C) Unsaturated fats, such as olive oil
D) Artificial fats
C) Unsaturated fats, such as olive oil
Explanation: The Mediterranean diet emphasizes olive oil, nuts, seeds, and other sources of heart-healthy unsaturated fats.
What spice comes from the dried bark of a tree?
Cinnamon
Explanation: Cinnamon is made by peeling the inner bark of cinnamon trees and drying it into the familiar sticks.
Before becoming a diet trend, "Atkins" was originally the last name of what?
A) A physician
B) A professional athlete
C) A television chef
A) A physician
The Atkins Diet was created by Dr. Robert Atkins, a physician who promoted a very low-carbohydrate eating plan.
According to a popular old myth, if you pluck out one gray hair, how many will supposedly grow back in its place?
A. Two
B. Three
C. Five
D. Seven
B. Three
Thankfully, gray hairs don’t multiply when you pluck them! Each hair grows from its own follicle, so plucking one cannot cause three more to grow.
True or False: Adding cream to your coffee prevents it from staining your teeth.
False
Cream may lighten the color of your coffee, but the compounds that can stain tooth enamel are still present.
Which of these is the world's oldest annual marathon?
A) Boston Marathon
B) Blue Ridge Marathon
C) New York City Marathon
D) London Marathon
Boston Marathon
Explanation: First held in 1897, the Boston Marathon is the world's oldest annual marathon. The Blue Ridge Marathon, held in Roanoke, Virginia, is much newer and is known as "America's Toughest Road Marathon" because of its challenging hills.
Which statement about calories is correct?
A) Calories measure the amount of energy in food.
B) Calories measure how much sugar a food contains.
C) Calories measure how healthy a food is.
D) Calories measure the amount of fat in a food.
A) Calories measure the amount of energy in food.
Explanation: Calories are simply a measure of energy. A food can be high or low in calories and still be nutritious or not nutritious.
Which cookie is the best-selling cookie in the world?
B) Oreo
Explanation: Introduced in 1912, Oreos have become the world's best-selling cookie, with billions sold each year.
True or False: If a diet tells you to completely avoid one food forever, that automatically makes it a fad diet.
False
Some people must avoid certain foods for medical reasons, such as gluten for celiac disease, peanuts for allergies, or dairy for lactose intolerance. Fad diets are different because they're usually followed by choice, not medical necessity.
According to a common health myth, which meal is said to be absolutely necessary for everyone to eat because it is “the most important meal of the day”?
A. Breakfast
B. Lunch
C. Dinner
D. An afternoon snack
A. Breakfast
Breakfast can be healthy and helpful for many people, but everyone is different. You do not have to eat breakfast to be healthy.
True or False: Some medications can change the way food tastes.
True
Certain medications can affect taste directly or cause dry mouth, which can make foods taste different, weaker, bitter, or metallic.
Which animal can run the farthest without overheating because it cools itself so efficiently?
A) Horse
B) Human
C) Cheetah
D) Elephant
Human
Explanation: Humans are exceptional endurance athletes because sweating helps cool the body. While we're much slower than many animals, we can sustain activity for very long periods.
Which nutrient provides the most calories per gram?
A) Protein
B) Carbohydrates
C) Fat
D) Fiber
C) Fat
Explanation: Fat provides 9 calories per gram, while protein and carbohydrates each provide 4 calories per gram.
What is the world's most stolen grocery item?
A) Chocolate
B) Coffee
C) Cheese
D) Steak
C) Cheese
Explanation: Cheese is one of the most commonly shoplifted grocery items worldwide because it's relatively expensive, easy to conceal, and in high demand.
Which fad diet became popular by encouraging adults to replace some meals with jars of baby food?
Baby Food Diet
The Baby Food Diet suggested replacing regular meals with baby food to reduce calories, but it isn't considered a healthy long-term eating plan.
Which of these has actually been proven to sober someone up faster?
A. Drinking strong black coffee
B. Taking a freezing-cold shower
C. Eating a big greasy meal
D. None of the above
D. None of the above
Coffee, food, and cold showers might make someone feel more awake, but only time lowers the amount of alcohol in the body.
True or False: If you have high blood pressure, you can usually feel when your blood pressure is too high.
False.
High blood pressure often has no noticeable symptoms, which is why it is sometimes called a “silent killer.” The only reliable way to know your blood pressure is to have it checked.