EPT1 Flashcards

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1
Q

The name of the first laboratory associated witht eh first exercise physiology was?

A

Havard Fatigue Laboratory

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2
Q

Where is energy stored in ATP?

A

Bonds between phosphate

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3
Q

___ accounts for the largest reserve of CHO.

A

Muscle glycogen

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4
Q

While running at 7.0 mph, which V02 is the best exercise economy?

A

23 ml/kg/min.

whichever one is lowest since its the same amount of work for everyone, lowest number equals best economy

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5
Q

Where are ATP produced in the cell?

A

Mitochondria

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6
Q

How many kcal come from 1 g of carbohydrate?

A

4

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7
Q

The rate limiting enzyme of glycolysis is

A

PFK

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8
Q

Each spin of the Krebs Cycle provides how many ATP?

A

12

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9
Q

The net ATP production from fast glycolysis starting with glycogen is

A

3

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10
Q

For every FADH that enters the electron transport chain how many ATP are produced?

A

2

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11
Q

A hormone that mobilizes free fatty acids is

A

Epinephrine

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12
Q

Exercising at an intensity of 7 METs is classified as what intensity level

A

Vigorous

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13
Q

The most variable component of total daily energy expenditure is

A

Thermic effect of activity

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14
Q

One Liter of O2 is equal to ____ kcal of energy

A

5

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15
Q

The study of metabolic processes that yield or consume energy is ____?

A

Bioenergetics

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16
Q

Factors that can affect a VO2max test include____?

A

All of the above

Mode of test, economy of movement, genetics, sex

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17
Q

In which situation would EPOC be the smallest?

A

Running at 60% VO2max for 30 minutes

whatever the least % is for least amount of time

18
Q

Increased enzyme availability ____ the speed of the catabolic reaction.

A

Increases

19
Q

Which of the following is involved with neuromuscular fatigue?

A

A and B are correct

(A. Potassium leaves the intracellular space
B. Cholinesterase may become hyperactive
C. pH drops below 6.9
D. Accumulation of H+ ions)

20
Q

Aerobically trained athletes will have which type of response in their oxygen deficit?

A

Low O2 deficit, meaning a shorter time to steady state O2 consumption

21
Q

T/F: Supramaximal VO2 is possible and energy is supplied via aerobic energy sources.

A

False

22
Q

T/F: The enzyme ATPase breaks apart ATP into ADP and an inorganic phosphate.

A

True

23
Q

T/F: Fast glycolysis occurs in the miochondria.

A

False

24
Q

T/F: Fat is stored in the adipocytes.

A

True

25
Q

T/F: Hexokinase is responsible for the conversion of pyruvate to lactate.

A

False

26
Q

NAD+ is oxidized to NADH

A

False

27
Q

T/F: Both NADH and FADH enter at Gate 1 in the electron transport chain.

A

False

28
Q

T/F: Oxygen is the last electron acceptor in the electron transport chain.

A

True

29
Q

T/F: The goal of beta oxidation is to cut the carbon chain into 2 carbon molecules.

A

True

30
Q

T/F: It is possible for an individual to have spot reduction for fat loss.

A

False

31
Q

T/F: Indirect calorimetry for energy expenditure is used within the IYKYK ESPL.

A

True

32
Q

T/F: Insulin is released from the adrenal medulla when blood sugar is low.

A

False

33
Q

T/F: Resting metabolism is approximately 2.0 ml/kg/min.

A

False

34
Q

T/F: Treadmills and cycle ergometers are the most commonly used ergometers in exercise physiology

A

True

35
Q

T/F: Enzymes are consumed and destroyed in chemical reactions within the body

A

False

36
Q

T/F: Individuals have enough stored ATP to last the first few seconds of exercise

A

True

37
Q

T/F: Creatine Kinase is the most abundant enzyme in the body

A

True

38
Q

T/F: As individuals age, VO2max typically declines around 1% per year after age 25-30.

A

True

39
Q

T/F: The Harvard Fatigue Lab was directed by David Bruce Dill.

A

True

40
Q

Phosphocreatine helps to prevent immediate decreases in ATP during power outputs of greater than 90% of VO2max

A

True