101 FINAL EXAM IVY TECH 150+
QUESTIONS AND CORRECT
ANSWERS LATEST STUDY
GUIDE 2025/2026 GRADED A + .
,1. What is the difference between anatomy and physiology ✓✓ Correct answer anatomy- study of structure physiology- study of function
2. what are the levels of organization ✓✓ Correct answer subatomic particle- protons, electrons, neutrons atom
molecule macromolecule
organelle
cell tissue
organ
organ system organism
3. what are the characteristics of life? ✓✓ Correct answer movement
responsiveness
respiration absorption
secretion digestion
assimilation- changing of absorbed substances into chemically ditterent forms circulation
reproduction growth
4. what are the requirements of life? ✓✓ Correct answer water
food heat
pressure
oxygen
5. define homeostasis ✓✓ Correct answer maintaining of a stable enviroment
6. what is a homeostatic mechanism ✓✓ Correct answer monitors aspects of internal environment and corrects as needed
*negative feedback mechanism
7. define matter ✓✓ Correct answer anything that takes up space and has mass
, 8. element ✓✓ Correct answer composed of chemically identical atoms
9. atom ✓✓ Correct answer smallest particle of atom, basic unit of matter
10. what are structure of an atom ✓✓ Correct answer
nucleus protons
neutron electrons
11. define nucleus, proton, electron, neutron ✓✓ Correct answer nucleus- central part of atom
proton- positive charge electron-
negative charge neutron- no electrical
charge
12. ionic bond ✓✓ Correct answer formed when electrons are transferred from one atom to another
13. what are covalent bonds ✓✓ Correct answer when two molecules share electron
14. hydrogen bond ✓✓ Correct answer formed between water molecule, attraction between positive end of polar molecule and negative end of another polar
molecule
15. define synthesis, decomposition, and exchange reactions ✓✓ Correct answer Synthesis- A+B=AB Decomposition-
AB=A+B
exchange- AB+CD=AD+BC
16. define reactant ✓✓ Correct answer starting materials of reactions
17. product ✓✓ Correct answer ending material
18. define catalyst ✓✓ Correct answer a substance that speeds up a chemical reaction
19. what is an acid ✓✓ Correct answer dissociates with water
20. base ✓✓ Correct answer combines in water
21. what happens to salts when dissolved in water and what is produced? ✓✓ Correct answer The salt molecules are "torn
apart" by the water, and are reduced to sodium (Na+) and chlorine (Cl-) ions.
22. what is the pH scale? what ions are involved in the pH scale? ✓✓ Correct answer pH scale- indicated the concentration of
hydrogen ions in a solution, H+ and OH-
23. organic molecule ✓✓ Correct answer contains Carbon and hydrogen and dissolves in water.