Alannah McDonnell
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Quiz on Sports Nutrition, created by Alannah McDonnell on 22/03/2018.

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Alannah McDonnell
Created by Alannah McDonnell about 6 years ago
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Biochem Sports Nutrition

Biochem Sports Nutrition

Question 1 of 32

1

What energy source is predominant for activities lasting <15 secs?

Select one of the following:

  • Phosphagen

  • Glycolytic

  • Mitochondrial

Explanation

Question 2 of 32

1

What energy source is predominant for activities lasting <2 min?

Select one of the following:

  • Glycolytic

  • Phosphagen

  • Mitochondrial

Explanation

Question 3 of 32

1

What energy source is predominant for activities lasting <5 min?

Select one of the following:

  • Phosphagen

  • Glycolytic

  • Mitochondrial respiration

Explanation

Question 4 of 32

1

As exercise intensity increases, what happens to the proportion of energy supplied by carbohydrate?

Select one of the following:

  • increases

  • decreases

  • doesn't change

Explanation

Question 5 of 32

1

Which of these fuels can be used by muscle?

Select one or more of the following:

  • glycogen reserve

  • plasma glucose

  • TAG from plasma lipoproteins

  • Plasma non-estreified FAs

  • Plasma ketone bodies

  • TAG from adipose tissue reserves

Explanation

Question 6 of 32

1

which of these will not effect the type of fuel used by muscle?

Select one of the following:

  • intensity of work

  • duration of exercise

  • fed state

  • fasting state

  • day of the week

Explanation

Question 7 of 32

1

what type of power output will anaerobic glycolysis have?

Select one of the following:

  • modest

  • large

  • small

Explanation

Question 8 of 32

1

how long can anaerobic glycolysis support muscle contraction?

Select one of the following:

  • up to 10 mins only

  • up to 1 min only

  • up to 5 min only

  • up to 30 mins only

Explanation

Question 9 of 32

1

what type of muscle fibres are mainly used with anaerobic glycolysis?

Select one of the following:

  • fast twitch fibres

  • slow twitch fibres

  • mixed fibres

Explanation

Question 10 of 32

1

What type of power output does aerobic metabolism have?

Select one of the following:

  • very low

  • moderate

  • very high

Explanation

Question 11 of 32

1

how long can aerobic metabolism support muscle contraction?

Select one of the following:

  • up to 10 mins

  • up to 10 hours

  • for multiple days

  • for multiple weeks

  • 1 min

Explanation

Question 12 of 32

1

What type of concentration is lactate accumulated in aerobic physical work?

Select one of the following:

  • high concentration

  • not high concentration

Explanation

Question 13 of 32

1

What is the limit of accumulation of lactic acid in the muscle cell?

Select one of the following:

  • 25mM

  • 25M

  • 10mM

  • 10M

Explanation

Question 14 of 32

1

What are the classifications of doping agents?

Select one or more of the following:

  • increasing endurace

  • increasing muscle mass

  • decreasing fatigue

  • improving recovery

  • decreasing hunger

  • increasing energy use

  • decreasing dehydration

Explanation

Question 15 of 32

1

Doping agents can be classified according to their specific effects

Select one of the following:

  • True
  • False

Explanation

Question 16 of 32

1

Extremely high hematocrit value could induce serious, deleterious consequences, including:

Select one or more of the following:

  • heart attack

  • stroke

  • embolism

Explanation

Question 17 of 32

1

EPO can be tested by determining hematocrit, what is the maximum acceptable?

Select one of the following:

  • 50%

  • 25%

  • 10%

  • 75%

  • 90%

Explanation

Question 18 of 32

1

What are the doping substances most widely used for improving muscle mass and strength?

Select one of the following:

  • anabolic androgen steroids

  • catabolic androgen steroids

  • EPO

  • aromatase inhibitors

  • bets -2 agonists

Explanation

Question 19 of 32

1

Aromatase inhibitors...

Select one of the following:

  • slow the conversion of testosterone to estradiol, increasing the steady state concentration of testosterone.

  • slow the conversion of estradiol to testosterone, increasing the steady state concentration of estradiol

  • are used for treatment of asthma

  • improve aerobic performance

  • rapidly increase muscle mass and strength

Explanation

Question 20 of 32

1

What steroids are used for treatment of asthma and slightly improve the aerobic performance in the lungs of healthy individuals?

Select one of the following:

  • beta-2-agonists

  • aromatase inhibitors

  • anabolic steroids

  • androgen steroids

Explanation

Question 21 of 32

1

What is the most anabolic hormone in the human body?

Select one of the following:

  • insulin

  • androgen

  • testosterone

  • ADH

  • thyroxine

Explanation

Question 22 of 32

1

How do some substances decrease feelings of fatigue and nervousness?

Select one of the following:

  • by imitating the effects of the stress hormones epinephrine and norepinephrine

  • by stimulating the release of epinephrine and norepinephrine

  • by supplying rapid energy release

  • placebo effect

Explanation

Question 23 of 32

1

Which of these decrease feelings of fatigue and nervousness?

Select one or more of the following:

  • amphetamine derivatives

  • ephedrine

  • cocaine

  • caffeine

  • glucose

  • beta-2 antagonists

Explanation

Question 24 of 32

1

In aerobic physical activity the metabolic fuels (carbs and lipids) a pretty completely oxidized in the citric acid cycle and electron transport system

Select one of the following:

  • True
  • False

Explanation

Question 25 of 32

1

A large percentage of the energy for aerobic physical activity comes from...

Select one of the following:

  • The oxidation of lipids

  • The reduction of lipids

  • The oxidation of fatty acids

  • The reduction of fatty acids

  • Proteins

Explanation

Question 26 of 32

1

High concentration of blood lactate May completely replace glucose as a substrate for oxidation during very active exercise in human brain

Select one of the following:

  • True
  • False

Explanation

Question 27 of 32

1

Which of these are sources of muscle glucose for glycolytic metabolism?

Select one or more of the following:

  • Blood glucose from liver glycogen

  • Glucose from glycogenolysis from muscle glycogen

  • Blood glucose from an exogenous source

  • Lactic acid

  • Pyruvic acid

Explanation

Question 28 of 32

1

Glucogenic protein as a fuel source may be used to form

Select one or more of the following:

  • Pyruvate

  • Oxaloacetate

  • Malate

  • Acetyl Co A

  • Acetoacetate

Explanation

Question 29 of 32

1

Ketogenic protein as a fuel source may be used to form

Select one or more of the following:

  • Acetylene Co A

  • Acetoacetate

  • Pyruvate

  • Oxaloacetate

  • Malate

Explanation

Question 30 of 32

1

Epinephrine stimulates...

Select one of the following:

  • Glycogen breakdown

  • Glycogen storage

  • Acetyl co A

Explanation

Question 31 of 32

1

Muscle glycogen gives energy, metabolism is done directly by , its the for an athlete. Liver glycogen gives energy storage for , metabolism is done by and stores are after 1 hour of intense exercise.

Drag and drop to complete the text.

    immediate
    cell
    primary energy
    short term
    muscle and brain
    glucose phosphatase
    half used

Explanation

Question 32 of 32

1

Simple carbs have absorption, rapid in blood glucose, increase in insulin and glucose is stored as glycogen and because is saturated with . Complex carbs have a absorption and slow increase in blood glucose, they have a insulin response and maximize stored as . are preferred for athletes.

Drag and drop to complete the text.

    Complex carbs
    simple carbs
    rapid
    slow
    strong
    lesser
    glucose
    glycogen
    fat
    TCA cycle
    acetyl Co A
    increase

Explanation

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