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Applied Physiology > Review questions? > Flashcards

Review questions? Flashcards

1
Q

The E generated in the breakdown of food serves on purpose. what is it?

A

to phosphorylate ADP-ATP

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2
Q

What E compound is utilized for all biological work?

A

ATP

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3
Q

What 2 compounds can be resynthesizes without presence of O2?

A

ATP and CP

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4
Q

How many molecules of ATP are formed in the total breakdown of glucose?

A

36

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5
Q

What is the main function of the Krebs cycle?

A

to degrade acetyl-CoA to CO2 and hydrogen atoms

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6
Q

What is the process that involves reactions to transfer either O2 atoms, hydrogen atoms, or electrons?

A

cellular oxidation

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7
Q

What 2 conditions exist during strenuous exercise cause LA to form?

A

inadequate delivery of O2 to accept electron and hydrogen

inadequate enzymes and metabolic machinery

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8
Q

Energy system that supplies E for long term work?

A

Aerobic

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9
Q

Energy system that is dominant during 100 Yard dash?

A

ATP-CP

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10
Q

Energy system dominant during a mile sprint?

A

LA system

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11
Q

energy system predominantly used by power lifters?

A

ATP-CP

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12
Q

The only fuel brain uses?

A

CHO

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13
Q

When there is an excess of FFA the liver will convert them to what lipoprotein?

A

LDL

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14
Q

The only fuel that can generate ATP anaerobically?

A

CHO

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15
Q

The breakdown of this fuel when taken in excess can lead to kidney or liver problems

A

Protein

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16
Q

The breakdown of fats require what substrate of glucose breakdown to enter metabolic mill?

A

oxaloacetic acid

17
Q

Name 2 reasons why CHO restriction can be detrimental to ones health.

A

lack of fuel for brain

Acetyl CoA from beta oxidation and the FFA from adipose tissue cannot enter Krebs cycle and are converted to ketone bodies by liver.

18
Q

At about 75% VO2 Max, what is the main fuel source for sustaining exercise?

A

CHO

19
Q

What is difference b/w O2 debt and deficit.?

A

VO2 required in

debt: during recovery to return to homeostasis.
deficit: circulatory lag/time to reach steady state.

20
Q

What is the major determinant of VO2 Max?

A

Q/Cardiac Output

21
Q

The larger Q acquired by athletes during aerobic exercise is due to the attainments of a larger

A

Stroke Volume.

22
Q

At what point does SV plateau during exercise?

A

40-50%

23
Q

In trained individuals, the increase in ! from rest to exercise is augmented by

A

increase in HR and Stroke volume

24
Q

What mechanism is responsible for the decrease in HRs after training?

A

Decrease in SNS tone and increase in PNS tone

25
Q

What mechanism(s) is responsible for increase in MAP during aerobic Exercise?

A

Increase in Q and vasoconstriction in the nonworking muscles.

Applied Physiology (11 decks)

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