Energy and Metabolism

Where in the cell do the Krebs cycle and electron transport chain occur?

• Mitochondria

• Nucleus

• Cytoplasm

• Lysosome

What is the general recommendation for a daily calorie deficit for someone working to lose bodyfat?

• 100 to 300 Calories

• 200 to 500 Calories

• 500 to 700 Calories

• 600 to 800 Calories

The Harris-Benedict equation incorporates the resting metabolic rate and an activity level factor to determine what metabolic information?

• Non-exercise activity thermogenesis (NEAT)

• Thermic effect of food (TEF)

• Daily calorie expenditure (DCE)

• Total exercise expenditure (TEE)

How many Calories (Cal) per gram are in fat?

• 3 cal

• 9 cal

• 4 cal

• 7 cal

The Krebs cycle and electron transport chain are steps in which energy pathway?

• Anaerobic glycolysis

• Oxidative energy pathway

• ATP/CP

• Gluconeogenesis

What is the point at which the body switches from metabolism requiring oxygen to primarily anaerobic metabolism called?

• ATP threshold

• Lactate threshold

• Anaerobic threshold

• Aerobic threshold

What is the primary by-product of anaerobic glycolysis?

• Water

• Heat

• Lactic acid

• Hydrogen

Which energy pathway is dominant for activity generally lasting 10 seconds to 2 minutes?

• Anaerobic glycolysis

• ATP/CP

• Oxidative energy pathway

• Lactate

What is the respiratory quotient (RQ) for carbohydrates?

• 1.0

• 0.8

• 0.7

• 0.9

What two values are required to calculate the respiratory quotient (RQ)?

• Volume of carbon dioxide the lungs can hold, and volume of oxygen exhaled.

• Volume of carbon dioxide inhaled, and volume of oxygen exhaled.

• Volume of carbon dioxide exhaled, and volume of oxygen inhaled.

• Volume of oxygen exhaled, and ATP created.