Ace Personal Training

What is the primary energy system used during a short, high-intensity exercise like sprinting?

• Aerobic system

• Anaerobic glycolysis

• Phosphagen system

• Oxidative phosphorylation

Which macronutrient is primarily used by the body for energy during prolonged, moderate-intensity exercise?

• Proteins

• Carbohydrates

• Fats

• Vitamins

What is the role of mitochondria in muscle cells during exercise?

• Store calcium ions

• Produce ATP through aerobic respiration

• Break down glucose anaerobically

• Synthesize proteins

Tags

NGSS.HS-LS1-7

Which of the following is a common method to measure body composition in fitness assessments?

• Body Mass Index (BMI)

• Skinfold measurements

• Waist-to-hip ratio

• Heart rate monitoring

What is the term for the maximum amount of oxygen the body can utilize during intense exercise?

• Anaerobic threshold

• Lactate threshold

• VO2 max

• Basal metabolic rate

Which hormone is primarily responsible for regulating metabolism and energy balance in the body?

• Insulin

• Cortisol

• Thyroid hormone

• Adrenaline

What is the primary function of hemoglobin in the blood during exercise?

• Transport carbon dioxide

• Transport oxygen

• Regulate blood pressure

• Clot blood

Which type of muscle fiber is most efficient for endurance activities?

• Type I (slow-twitch)

• Type IIa (fast-twitch oxidative)

• Type IIb (fast-twitch glycolytic)

• Type III (intermediate-twitch)

What is the effect of regular aerobic exercise on resting heart rate?

• Increases resting heart rate

• Decreases resting heart rate

• No effect on resting heart rate

• Fluctuates resting heart rate

Tags

NGSS.HS-LS1-3

Which vitamin is essential for calcium absorption in the body, crucial for bone health?

• Vitamin A

• Vitamin C

• Vitamin D

• Vitamin E