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Physiology of exercise (SPS4064) SEM2 2024 - 2025

Physiology of exercise (SPS4064) SEM2 2024 - 2025

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Which of the following are 2 correct properties of water?

Water is a polar molecule and hydrophilic substances dissolve in water

Water is a non-polar molecule and hydrophobic

The structure of water is irregular and and a non-polar molecule

Water moves by diffusion and solutes move by osmosis

The structure of water is regular and is a polar molecule

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What are the 2 correct set of units for reporting values of oxygen uptake?

ml/kg/min^-1 or L/min^-1

100%

L.min or ml.kg.min^-1

ml.kg.min or L/min

L.min^-1 or mmol.L^-1

L.min^-1 or ml/kg/min

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Which is the most abundant buffer of H⁺ for maintaining pH?

Carbon dioxide [CO₂]

Carbonic acid [H₂CO₃^-]

Hemoglobin [Hb]

Bicarbonate [HCO₃^-]

100%

Phosphates [Pi, HPO₄^2-]

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In the calculation of VO₂max, barometric pressure must be recorded and used in our calculation. How does reduced barometric change VO₂max?

It increases VO₂max

VO₂max is unaltered

None of the above

It decreases VO₂max

VO₂max only changes if we do not record barometric pressure

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Exercising at 60% VO_2max for 50 minutes would rely predominantly on which energy system?

ATP-PC system

An equal split (1:1) between anaerobic and aerobic energy systems would be required

None of the answers are correct

The aerobic energy system

Anaerobic glycolysis

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During an incremental exercise test, blood lactate concentration will:

Increase across stages

✅

Decrease across stages

❌

Increase to begin with and plateau in final stages

❌

Remain constant

❌

Decrease to begin with and plateau in final stages

❌

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Which of the following lists of words contains a word that DOES NOT contain the stated 'long' vowel phoneme?

long a - play weight tail rag

long o - phone crow boat low

long e - lean, daisy beat feet

❌

long i - might bite fry eye

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When a VO₂max test is performed at an incline (slope) on a treadmill, in comparison to a flat (no slope) protocol, what would you expect to happen to VO₂max?

The VO₂max test will be shorter (in time) than a flat protocol

❌

None of the above

❌

Your VO₂max (L/min) will be lower than a flat protocol

❌

Your VO₂max (L/min) will be higher than a flat protocol

✅

VO₂max is not achievable during an incline test

❌

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How many graphemes are in the following words?