Marathon Runner Quiz #2

Why are your muscles sore after exercising?

• There is a build up of lactic acid after anaerobic respiration.

• There is not enough oxygen

• There are tiny tears in the muscle that will build back stronger.

• There is a build up of carbon dioxide in the muscles.

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When someone loses weight, where does the carbon go?

• It is urinated out as carbon dioxide

• It is urinated out as carbon monoxide

• It is exhaled out as carbon monoxide

• It is exhaled out as carbon dioxide

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What 3 elements make up glucose?

• Hydrogen, Carbon, and Oxygen

• Hydrogen, Nitrogen, Carbon

• Hydrogen, Phosphorus, Oxygen

• Hydrogen, Carbon, Nitrogen

What word means maintaining a balanced internal state?

• heterozygous

• homozygous

• homeostasis

• heterostasis

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If someone has diabetes, what organ is not working properly?

• pancreas

• lungs

• alveolar sacs

• heart

How does your body respond to your blood sugar increasing?

• It releases insulin

• It absorbs insulin

• It releases glucose

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How do you calculate the AVERAGE (also called the "mean") of our 3 trials from the exercise lab?

• Divide the numbers by 4.

• Add up all 3 numbers and divide by 3.

• Add up all 3 numbers and multiply by 3.

• None of these

Which of the following is NOT a major ion required for muscles to contract and relax?

• phosphorus

• potassium

• calcium

• sodium

After exercising, we expected the time it took to turn the BTB solution from blue to yellow to be _________________________.

• faster
• slower

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What did we EXPECT to happen to your heart rate and breathing rate during our exercise lab?

• Heart rate decreases and breathing rate increases.

• Heart rate increases and breathing rate decreases.

• Heart rate and breathing rate both decrease.

• Heart rate and breathing rate both increase.