Question 1

Which of the following is a disadvantage of carbohydrate loading?

Accepted Answer

Carbohydrate loading can sometimes lead to gastrointestinal issues such as diarrhea due to the increased intake of carbohydrates and changes in diet.

Question 2

Which of the following is NOT an advantage of using body fat as a fuel during exercise?

Accepted Answer

Fat is not broken down quickly by the body; it is a slower process compared to carbohydrates.

Question 3

Which of the following would be the best fluid replacement for events lasting less than one hour?

Accepted Answer

For events lasting less than one hour, water is typically sufficient for hydration without the need for additional electrolytes or carbohydrates found in sports drinks.

Question 4

Which of the following activities has the potential to increase bone density the most?

Accepted Answer

Jogging is a weight-bearing exercise that applies stress to bones, stimulating bone growth and increasing bone density.

Question 5

Which of the following best explains the cause of sports anemia?

Accepted Answer

Sports anemia is primarily caused by an increase in plasma volume, which dilutes red blood cells, leading to a temporary decrease in hemoglobin concentration.

Question 6

Which of the following ergogenic aids is a precursor to testosterone?

Accepted Answer

Androstenedione is a steroid hormone used by the body to make testosterone and estrogen, making it a precursor to testosterone.

Question 7

Some athletes believe that caffeine can enhance athletic performance because it has been shown to

Accepted Answer

Caffeine stimulates the central nervous system, which can lead to increased alertness, focus, and energy levels. This can improve athletic performance by allowing athletes to train harder and for longer periods of time.

Question 8

The majority of the research findings backing up the effectiveness of ergogenic aids have been shown to be

Accepted Answer

Of low quality and of high risk for bias.

Question 9

Which type of exercise involves the repetitive movement of large muscle groups, increasing the body's use of oxygen and promoting cardiovascular health?

Accepted Answer

Aerobic exercise involves repetitive movement of large muscle groups, increasing oxygen use and promoting cardiovascular health.

Question 10

Which of the following is produced during anaerobic metabolism and supplies fuel for working muscles, the heart, and resting tissue?

Accepted Answer

Lactic acid is produced during anaerobic metabolism and can be used as a fuel source by muscles, the heart, and other tissues.

Question 11

The process in which carbohydrates break down to provide quick energy to the body is known as

Accepted Answer

Glycolysis is the process where carbohydrates are broken down to release energy quickly in the form of ATP.

Question 12

Maximal heart rate equals 220 minus an individual's

Accepted Answer

Maximal heart rate is commonly estimated by subtracting an individual's age from 220.

Question 13

The primary end product of glycolysis is

Accepted Answer

The primary end product of glycolysis is pyruvic acid.

Question 14

Which of the following has been shown to enhance athletic performance and is a legal substance in the United States?

Accepted Answer

Creatine is a legal supplement in the United States that has been shown to enhance athletic performance, particularly in high-intensity, short-duration activities.

Question 15

Athletes and physically active people have increased needs for

Accepted Answer

Athletes and physically active people have increased needs for B-vitamins because these vitamins play a crucial role in energy metabolism and the production of red blood cells, which are essential for maintaining energy levels and endurance during physical activity.

Question 16

Vincent is considering buying a creatine supplement after he saw a variety of these ergogenic aids advertised in a fitness magazine. Which of the following is a common deceptive marketing tactic that he should watch out for?

Accepted Answer

Offering a free mail-order anabolic assessment is a common deceptive marketing tactic used to entice consumers into purchasing supplements by suggesting they need personalized evaluations.

Question 17

Substances used to enhance athletic performance are known as

Accepted Answer

Ergogenic aids are substances or devices that enhance energy production, use, or recovery and improve athletic performance.

Question 18

The general term that describes a substance that builds muscle and increases strength is

Accepted Answer

Anabolic refers to the process of building up organs and tissues, including muscle growth and strength increase, often associated with anabolic steroids.

Question 19

It is recommended that you drink how many cup(s) of fluid for each pound of body weight lost following an exercise session?

Accepted Answer

It is recommended to drink three cups of fluid for each pound of body weight lost following an exercise session.

Question 20

Which of the following is NOT a benefit of stretching and other warm-up activities before an exercise session?

Accepted Answer

Stretching and warm-up activities increase blood flow, not decrease it.

Quiz 10: Nutrition and Physical Activity: Keys to Good Health