APHY 101 FINAL EXAM g g g gg
Questions and Verified Answers g g g
100% Correct | Grade A+ g g g g
1.What is the difference between anatomy and physiology?
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Answer> Anatomy is the study of the structure of body parts, whereas phys
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molecul
iology is the study of the function of body parts
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e, m g g g g
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2.What are the levels of organization?
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Answer> subatomic particles, atom, macromolecule, organell
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e, cell, tissue, organ, organ system, organis
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3.What are the requirements of life?
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Answer> Water, food, oxygen, heat, pressure
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4.What are the characteristics of life?
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Answer> Movement (internal or gross); Respon-
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g siveness (reaction to internal or external change); Growth (increase in siz
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1g/g52
,e without change in shape); Reproduction (new organisms or new cells); R
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espiration (use of oxygen; removal of CO2); Digestion (breakdown of food)
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; Absorption (movement of substances through membranes and into fluids
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); Circulation (movement within body fluids); Assimilation (changing nutri
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ents into chemically different forms); Excretion (removal of metabolic was
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tes)
5.Define homeostasis g
Answer> Body's maintenance of a stable environment
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6.What is a homeostatic mechanism?
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Answer> the body maintains homeostasis through a number of self-
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regulating control systems; examples are regulating body temper-
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g ature and pressure sensitive receptors to regulate body pressure
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7.Define matter g
Answer> Anything that takes up space and has mass (weight). It is com-
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g posed of elements.g g
8.Define element g
Answer> fundamental substance composed of chemically identical atoms
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9.Define atoms g
Answer> smallest particle of an element; basic unit of matter
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2g/g52
,10.What is the structure of an atom?
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Answer> An atom consists of a nucleus containing protons and neutrons,
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with electrons in
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orbit around the nucleus.
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11.Atomic nucleus
g
Answer> the nucleus contains protons and neutrons
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12.Proton
Answer> subatomic particle that has a positive charge
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13.Neutron
Answer> subatomic particle that has no charge
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14.Electron
Answer> subatomic particle that has a negative charge
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15.Atomic numberg
Answer> number or protons in nucleus
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16.Atomic mass g
Answer> number of protons plus number of neutrons
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17.What are covalent bonds?
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Answer> Covalent bonds are formed when atoms share electrons to bec
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ome stable with filled
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3g/g52
, outer shells g
18.What are ionic bonds?g g g
Answer> 2 oppositely charged atoms form this bond when electrons ar
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e transferred from one atom to another atom
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19.What are hydrogen bonds?
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Answer> Weak attraction between positive end of one polar molecule and
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negative end of another polar molecule; formed between water molecules
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20.Define ion g
Answer> When atoms gain or lose electrons, they become ions.
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21. Define synthesis reaction g g
Answer> Two or more atoms or molecules are joined together
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22.Define decomposition reactiong g
Answer> Larger molecules are broken down into small- er ones
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23.Define exchange reaction g g
Answer> Parts of molecules trade places
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24.Define reactant g
Answer> The starting materials of the reaction -
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g the atoms, ions, or molecules
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25.Define product g
4g/g52
Questions and Verified Answers g g g
100% Correct | Grade A+ g g g g
1.What is the difference between anatomy and physiology?
g g g g g g g
Answer> Anatomy is the study of the structure of body parts, whereas phys
g g g g g g g g g g g g
molecul
iology is the study of the function of body parts
g g g g g
e, m g g g g
g
2.What are the levels of organization?
g g g g g
Answer> subatomic particles, atom, macromolecule, organell
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e, cell, tissue, organ, organ system, organis
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3.What are the requirements of life?
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Answer> Water, food, oxygen, heat, pressure
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4.What are the characteristics of life?
g g g g g
Answer> Movement (internal or gross); Respon-
g g g g g
g siveness (reaction to internal or external change); Growth (increase in siz
g g g g g g g g g g
1g/g52
,e without change in shape); Reproduction (new organisms or new cells); R
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espiration (use of oxygen; removal of CO2); Digestion (breakdown of food)
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; Absorption (movement of substances through membranes and into fluids
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); Circulation (movement within body fluids); Assimilation (changing nutri
g g g g g g g g
ents into chemically different forms); Excretion (removal of metabolic was
g g g g g g g g g
tes)
5.Define homeostasis g
Answer> Body's maintenance of a stable environment
g g g g g g
6.What is a homeostatic mechanism?
g g g g
Answer> the body maintains homeostasis through a number of self-
g g g g g g g g g
regulating control systems; examples are regulating body temper-
g g g g g g g
g ature and pressure sensitive receptors to regulate body pressure
g g g g g g g g
7.Define matter g
Answer> Anything that takes up space and has mass (weight). It is com-
g g g g g g g g g g g g
g posed of elements.g g
8.Define element g
Answer> fundamental substance composed of chemically identical atoms
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9.Define atoms g
Answer> smallest particle of an element; basic unit of matter
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2g/g52
,10.What is the structure of an atom?
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Answer> An atom consists of a nucleus containing protons and neutrons,
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with electrons in
g g
orbit around the nucleus.
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11.Atomic nucleus
g
Answer> the nucleus contains protons and neutrons
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12.Proton
Answer> subatomic particle that has a positive charge
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13.Neutron
Answer> subatomic particle that has no charge
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14.Electron
Answer> subatomic particle that has a negative charge
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15.Atomic numberg
Answer> number or protons in nucleus
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16.Atomic mass g
Answer> number of protons plus number of neutrons
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17.What are covalent bonds?
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Answer> Covalent bonds are formed when atoms share electrons to bec
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ome stable with filled
g g g
3g/g52
, outer shells g
18.What are ionic bonds?g g g
Answer> 2 oppositely charged atoms form this bond when electrons ar
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e transferred from one atom to another atom
g g g g g g g
19.What are hydrogen bonds?
g g g
Answer> Weak attraction between positive end of one polar molecule and
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negative end of another polar molecule; formed between water molecules
g g g g g g g g g
20.Define ion g
Answer> When atoms gain or lose electrons, they become ions.
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21. Define synthesis reaction g g
Answer> Two or more atoms or molecules are joined together
g g g g g g g g g
22.Define decomposition reactiong g
Answer> Larger molecules are broken down into small- er ones
g g g g g g g g g
23.Define exchange reaction g g
Answer> Parts of molecules trade places
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24.Define reactant g
Answer> The starting materials of the reaction -
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g the atoms, ions, or molecules
g g g g
25.Define product g
4g/g52
