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APHY 101 Final Exam with Verified Answers Graded A+

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APHY 101

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APHY 101

APHY 101 Final Exam with Verified Answers Graded A+ 1. What is the differ- ence between anato- my and physiology? 2. What are the levels of organization? 3. What are the require- ments of life? 4. What are the charac- teristics of life? Anatomy is the study of the structure of body parts,...

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aphy 101 final exam with verified answers graded a

Institution APHY 101
Course APHY 101

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APHY 101 Final Exam with Verified Answers Graded A+

1. What is the differ- Anatomy is the study of the structure of body parts,
ence between anato- whereas physiology is the study of the function of
my and physiology? body parts

2. What are the levels subatomic particles, atom, molecule, macromolecule,
of organization? organelle, cell, tissue, organ, organ system, organism

3. What are the require- Water, food, oxygen, heat, pressure
ments of life?

4. What are the charac- Movement (internal or gross); Responsiveness (re-
teristics of life? action to internal or external change); Growth (in-
crease in size without change in shape); Reproduc-
tion (new organisms or new cells); Respiration (use
of oxygen; removal of CO2); Digestion (breakdown of
food); Absorption (movement of substances through
membranes and into fluids); Circulation (movement
within body fluids); Assimilation (changing nutrients
into chemically different forms); Excretion (removal of
metabolic wastes)

5. Define homeostasis Body's maintenance of a stable environment

6. What is a homeosta- the body maintains homeostasis through a number of
tic mechanism? self-regulating control systems; examples are regulat-
ing body temperature and pressure sensitive recep-
tors to regulate body pressure

7. Define matter Anything that takes up space and has mass (weight).
It is composed of elements.
8. Define element fundamental substance composed of chemically
identical atoms

, APHY 101 Final Exam with Verified Answers Graded A+

9. Define atoms smallest particle of an element; basic unit of matter

10. What is the structure An atom consists of a nucleus containing protons and
of an atom? neutrons, with electrons in
orbit around the nucleus.

11. Atomic nucleus the nucleus contains protons and neutrons

12. Proton subatomic particle that has a positive charge

13. Neutron subatomic particle that has no charge

14. Electron subatomic particle that has a negative charge

15. Atomic number number or protons in nucleus

16. Atomic mass number of protons plus number of neutrons

17. What are covalent Covalent bonds are formed when atoms share elec-
bonds? trons to become stable with filled
outer shells

18. What are ionic 2 oppositely charged atoms form this bond when
bonds? electrons are transferred from one atom to another
atom

19. What are hydrogen Weak attraction between positive end of one polar
bonds? molecule and negative end of another polar molecule;
formed between water molecules

20. Define ion When atoms gain or lose electrons, they become
ions.

, APHY 101 Final Exam with Verified Answers Graded A+
21. Define synthesis re- Two or more atoms or molecules are joined together
action

22. Define decomposi- Larger molecules are broken down into smaller ones
tion reaction

23. Define exchange re- Parts of molecules trade places
action

24. Define reactant The starting materials of the reaction - the atoms,
ions, or molecules
25. Define product Substances formed at the end of the chemical reac-
tion
26. Define catalyst influence the rates of chemical reactions
27. What is an acid? Electrolytes that release hydrogen ions in water
28. What is a base? Electrolytes that release ions that combine with hy-
drogen ions in water
29. What is a salt? Acids and bases that react to form water and elec-
trolytes
30. What is a pH scale? represents the concentration of hydrogen ions [H+] in
solution
31. Neutral solution pH 7; indicates equal concentrations of H+ and OH
32. Acidic solution pH less than 7; indicates a greater concentration of
H+
33. Basic solution pH greater than 7; indicates a greater concentration
of OH-

34. What is the differ- organic compounds have hydrogen and carbon; inor-
ence between an or- ganic compounds do not
ganic molecule and

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Exam (elaborations)

APHY 101 Final Exam with Verified Answers Graded A+

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