*Question*
Q: Torpor, a process that leads to a decrease in activity and metabolism and allows animals to survive adverse conditions, includes what long winter 'sleep'? Choices: - fermentation - pollination - relaxation - hibernation A:
**Answer**
hibernation

*Question*
Q: Each hemisphere of the brain contains regions called what that are involved in different functions? Choices: - nodes - folds - chambers - lobes A:
**Answer**
lobes

*Question*
Q: What kind of cells have positive cell potentials, and all the reduction reactions are reversible? Choices: - new cells - inhibited cells - neutral cells - galvanic cells A:
**Answer**
galvanic cells

*Question*
Q: What do vaccines produce to combat viral diseases? Choices: - sterility - sensitivity - hyperthyroidism - immunity A:
**Answer**
immunity