pA increases for a particular exercise as a person gets in better shape

| March 14, 2016

Question

Which of the following is NOT true about PA.
a. PA increases for a particular exercise as a person gets in better shape.
b. Obese people generally burn more calories than lean people doing the same activity.
c. Activities like walking or cycling burn calories but are not the best activities for increasing lean musle mass.
d. The amount of calories burned during PA is affected by the intensity and the duration of the activity.
Which of the following food sources of macronutrients does NOT provide 4 kcal per gram (if all the water were removed).
a. starch
b. Sugars
c. Amino Acids
d. Vodka
1 points

QUESTION 3
Which of the following is NOT true about direct calorimetry.
a. Measurement of heat production is the direct measurement of energy production.
b. The amount of Oxygen consumed and the CO2 produced is measured.
c. A bomb calorimeter uses water to capture heat from burned food
d. When fat is burned in a direct calorimeter it will raise the water temperature over twice as much as when carbohydrate is burned.
e. Fermentable and non-fermentable fiber will produce the same amount of energy in a calorimeter although they don’t provide the same amount of energy to the body.

TEF is the energy used for…
a. Digesting food
b. Absorbing food
c. Metabolizing food
d. All of the above
Which of the following is NOT true about nutrient utilization.
a. Dietary fat is oxidized for energy within a few hours of being consumed at a meal.
b. Dietary carbohdyrate is oxidized for energy within a few hours of being consumed at a meal.
c. Dietary protein that is not used for protein synthesis is oxidized for energy within a few hours of being consumed at a meal.
d. Dietary alcohol is oxidized for energy within a few hours of being consumed, provided that it is not consumed faster than the liver can process it.
QUESTION 4
If Energy In is greater than BMR + TEF + PA then…
a. BMR will automatically increase to burn more calories
b. TEF will shift from 5 to 15% of energy intake.
c. PA will decrease, causing an energy excess.
d. The extra kcal will go into storage as body fat.
1 points

QUESTION 5
Which of the following is true about the interrelationship between genetics and environment on the development of obesity.
a. Most people who are obese have a genetically slow metabolism.
b. A given individual will have more or less genetic tendancy toward obesity, but it is still necessary to consume more calories than you burn in order to store fat.
c. The most common genetic defect leading to obesity is a lepin deficiency.
d. Each obese person probably has one genetic factor that predisposes them for obesity.
1 points

QUESTION 6
Which of the following is NOT true about indirect calorimetry.
a. It cannot be used to measure food energy.
b. It requires the measurement of oxygen consumed and CO2 produced.
c. Oxygen is consumed in a known proportion to the amount of ATP produced in the electron transport chain.
d. This method measures heat produced by a person or animal sealed in a themal chamber.

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