Critical Thinking Activities - Chapter 7

  1. Why is it possible to successfully vaccinate a person after a bite from a rabid dog? Most vaccines are only effective before the exposure to the germ.

  2. Most anesthesias are fat-soluble. What does this suggest about the chemical nature of myelin?

  3. Why would cholecystokinin (i.e. CCK), delivered to the brain be a great weight-control drug?

  4. Why can't CCK be given orally to prevent obesity?

  5. Viagratm is a drug used to promote erections in impotent men. What neurotransmitter do you think it would enhance?

Answers

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