Q: The goal of homeostasis is the maintenance of what, around a point or value called a set point? Choices: - agitation - steadiness - imbalance - equilibrium A:
equilibrium

Q: What are the two most common causes of diseases? Choices: - bacteria and protazoa - viruses and protazoa - nutritional deficiencies - bacteria and viruses A:
bacteria and viruses

Q: Q: Ciliary muscles control the shape of the lens, which bends light and focuses it on what? Choices: - the pupil - the vitreous fluid - the cornea - the retina A:
A: the retina

Question: Q: In what type of process does heat flow into its surroundings and cause an increase in kinetic energy? Choices: - biochemical process - chemical process - oscillating process - exothermic process A:
Answer: exothermic process

*Question*
Q: Because it damages hair cells, what is the most cause of hearing loss in adults? Choices: - bacteria - ear wax - water in the ears - exposure to noise A:
**Answer**
exposure to noise

*Question*
Q: What group of gases are unusually unreactive? Choices: - volcanic gases - greenhouse gases - halogens - noble gases A:
**Answer**
noble gases