COGS 107C quiz 1 with answers

COGS 107C quiz 1 with answers - COGS 107C QUIZ #1 Spring...

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COGS 107C QUIZ #1 Spring '07 1. What are the two main arterial supplies to the brain? What is the purpose of having a redundancy of supply and what happens when the brain does not get a blood supply? (2 points) Carotid and basilar arteries. We need a redundancy of supply to make sure the brain gets enough oxygen, glucose, and nutrients in case one supply shuts off. If the brain does not get enough blood supply it goes into an ‘anoxic’ state and the brain starts to shut down starting with the hippocampus. 2. Describe the connection from the hypothalamus to the posterior pituitary (neuronal/ hormonal) and how it connects. What 2 hormones does the posterior pituitary release to the body? (2 points) The PVN and supraoptic nucleus project from the hypothalamus to the posterior pituitary via axons which synapse in the posterior pituitary (neuronal connection). They release vasopressin and oxytocin to the body. 3.
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This note was uploaded on 04/23/2008 for the course COGS 107C taught by Professor Chiba during the Spring '07 term at UCSD.

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COGS 107C quiz 1 with answers - COGS 107C QUIZ #1 Spring...

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