Bio Volume 1 Q Pack #11 & 12

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Posts: 11
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Bio Volume 1 Q Pack #11 & 12

Post by Amber9 » Fri Jul 05, 2019 11:37 am

#11 The answer helps maintain the high glucose levels needed to protect the tissues and organs whereas the other options are irrelevant to high glucose levels (glucagon/pancreas endocrine) or slightly increase the glucose levels (glycogen catabolism). Is my understanding correct?

#12 What is the reasoning behind eliminating D?
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Re: Bio Volume 1 Q Pack #11 & 12

Post by NS_Tutor_Mathias » Fri Jul 05, 2019 4:50 pm

#11 B&C would both decrease blood glucose levels. D would change the intensity of the response to fed and fasting states. So yes, you are mostly correct :)

#12 The question asks why a beating heart would be crucial to the cryoprotective role of glucose. Another way to say that would be "Why is the heart beating after freezing starts so important for having glucose protect tissues?" - and to say that the heart needs glucose, therefore the heart needs to beat to protect the body, is backwards and circular reasoning.

Be careful with any and all answer choices: Eliminating wrong answer choices isn't about eliminating just things that aren't true, but also eliminating anything that simply does not answer the question. A beating heart definitely requires a constant supply of glucose. But that doesn't answer the question of why a beating heart is important.
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