Chapter 4 physiological needs 1. what is the difference between a need and a drive? 2. what is the difference between intracellular fluid and extracellular fluid. 3. describe the glucostatic hypothesis. 4. describe the short-term appetite process. (hint: start with liver) 5. describe the lipostatic hypothesis. 6. define set point theory. 7. name four environmental influences of hunger? 8. define sexual scripts. 9. define sexual schemas.

11. what characteristic was shared by all the important scientists of the scientific revolution? the importance of challenging authority at all times in the pursuit of truth. truth is only achievable through a process of inquiry and observation. the belief that traditional methods of inquiry and discovery were correct, but needed greater accuracy. the belief that the ancient philosophers were correct in their original observations of the laws of nature.