Ch.02 Chemistry of Life Human Body in Health & Disease

Test Bank for Human Body in Health and Disease 7th Edition by Patton

Chapter 02: Chemistry of Life
Patton: The Human Body in Health & Disease, 7th Edition


MULTIPLE CHOICE

1. Which subatomic particle has a positive charge?
a.
Proton
b.
Neutron
c.
Electron
d.
Nucleus
ANS: A PTS: 1 DIF: Memorization
REF: p. 25 TOP: Atoms

2. Which subatomic particle has no charge?
a.
Proton
b.
Neutron
c.
Electron
d.
Nucleus
ANS: B PTS: 1 DIF: Memorization
REF: p. 25 TOP: Atoms

3. Which subatomic particle has a negative charge?
a.
Proton
b.
Neutron
c.
Electron NURSING-TESTBANK.COM
d.
Nucleus
ANS: C PTS: 1 DIF: Memorization
REF: p. 25 TOP: Atoms

4. Which subatomic particle is found in the nucleus?
a.
Proton
b.
Neutron
c.
Electron
d.
Both A and B
ANS: D PTS: 1 DIF: Memorization
REF: p. 25 TOP: Atoms

5. Electrons are found
a.
in the nucleus.
b.
in orbitals.
c.
at various distances from the nucleus called energy levels.
d.
both B and C.
ANS: D PTS: 1 DIF: Application REF: p. 25
TOP: Atoms

6. The atomic number of an atom is the number of




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,Test Bank for Human Body in Health and Disease 7th Edition by Patton

a.
protons.
b.
neutrons.
c.
electrons.
d.
both A and B.
ANS: A PTS: 1 DIF: Memorization
REF: p. 25 TOP: Atoms

7. The atomic mass of an atom is the number of
a.
protons.
b.
neutrons.
c.
electrons.
d.
sum of A and B.
ANS: D PTS: 1 DIF: Memorization
REF: p. 25 TOP: Atoms

8. The subatomic particle that determines how an atom unites with other atoms is the
a.
proton.
b.
neutron.
c.
electron.
d.
both A and B.
ANS: C PTS: 1 DIF: Memorization
REF: p. 26 TOP: Atoms

9. An atom that contains 20 protons, 21 neutrons, and 20 electrons has an atomic number of
a. 20.
b. 41. NURSING-TESTBANK.COM
c. 40.
d. 61.

ANS: A PTS: 1 DIF: Application REF: p. 25
TOP: Atoms

10. An atom that contains 20 protons, 21 neutrons, and 20 electrons has an atomic mass of
a. 20.
b. 41.
c. 40.
d. 61.

ANS: B PTS: 1 DIF: Application REF: p. 25
TOP: Atoms

11. An atom that contains 20 protons, 21 neutrons, and 20 electrons has
a.
a positive charge.
b.
a negative charge.
c.
no charge (electrically neutral).
d.
not enough information is given to determine its charge.
ANS: C PTS: 1 DIF: Application REF: p. 25
TOP: Atoms




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, Test Bank for Human Body in Health and Disease 7th Edition by Patton

12. Which of these elements is not one of the four elements that make up most of the human
body?
a.
Carbon
b.
Nitrogen
c.
Oxygen
d.
Calcium
ANS: D PTS: 1 DIF: Memorization
REF: p. 26 TOP: Elements, molecules, and compounds

13. Bonds that usually dissociate in water to form electrolytes are bonds.
a.
ionic
b.
covalent
c.
organic
d.
both B and C
ANS: A PTS: 1 DIF: Memorization
REF: p. 27 TOP: Ionic bonds

14. The bonds formed when electrons are shared are called
a.
electrolytes.
b.
ionic bonds.
c.
covalent bonds.
d.
inorganic bonds.
ANS: C PTS: 1 DIF: Memorization
REF: p. 27 TOP: Covalent bonds
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15. The process of dehydrati on s y nt he s is
a.
uses water to turn large molecules into smaller ones.
b.
adds a molecule of water to the reactants.
c.
converts smaller molecules into larger ones by removing water.
d.
both A and B.
ANS: C PTS: 1 DIF: Memorization
REF: p. 29 TOP: Water

16. The process of hydrolysis
a.
uses water to turn large molecules into smaller ones.
b.
removes a molecule of water from the reactants.
c.
converts smaller molecules into larger molecules by removing water.
d.
both B and C.
ANS: A PTS: 1 DIF: Memorization
REF: p. 29 TOP: Water

17. Acids have
a.
a pH less than 7.
b.
more H+ ions than OH ions.
c.
more OH than H+ ions.
d.
both A and B.
ANS: D PTS: 1 DIF: Memorization




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