Anatomy and Physiology 10th Edition Patton Test Bank Chapter 03: Chemistry of Life

Anatomy and Physiology 10th Edition Patton Test Bank


Chapter 03: Chemistry of Life
Patton: Anatomy and Physiology, 10th Edition


MULTIPLE CHOICE

1. Which of the following represents a trace element in the body?
a. Sulfur
b. Chlorine
c. Iron
d. Phosphorus
ANS: C DIF: Memorization REF: p. 40, Table 3-1
TOP: Elements and Compounds

2. The kind of element is determined by the number of:
a. protons.
b. neutrons.
c. mesotrons.
d. electrons.
ANS: A DIF: Application REF: p. 41
TOP: Atomic Number and Mass Number

3. Atomic mass is determined by the number of:
a. protons and electrons.
b. neutrons and electrons.
c. neutrons, protons, and eleNctroRns.I
d. protons and neutrons.
ANS: D DIF: Application REF: p. 41
TOP: Atomic Number and Mass Number

4. Carbon has an atomic number of 6. The number of electrons found in the first shell is:
a. two.
b. four.
c. six.
d. eight.
ANS: A DIF: Application REF: pp. 41-42 TOP: Energy Levels

5. The atomic number of carbon is 6. How many unpaired electrons are in its outer shell?
a. Two
b. Three
c. Four
d. Five
ANS: C DIF: Application REF: p. 42 TOP: Energy Levels

6. A negatively charged subatomic particle that moves around the nucleus is a(n):
a. orbital.
b. proton.

, Anatomy and Physiology 10th Edition Patton Test Bank

c. neutron.
d. electron.
ANS: D DIF: Memorization REF: p. 40, Table 3-1
TOP: Atomic Structure

7. When atoms combine, they may gain, lose, or share:
a. electrons.
b. protons.
c. neutrons.
d. nuclei.
ANS: A DIF: Application REF: p. 43 TOP: Attractions Between Atoms

8. An ionic bond is formed by:
a. two or more positive ions combining.
b. two or more negative ions combining.
c. a positive and a negative ion attracting each other.
d. sharing of a pair of electrons.
ANS: C DIF: Application REF: pp. 43-44 TOP: Ionic Bonds

9. An example of an element would be:
a. Ne.
b. CO2.
c. C6H12O6.
d. H2O.

ANS: A DIF: AN URatio
pplic SIn NGRE
TB
F:.C 40M, Table 3-1
p. O
TOP: Elements and Compounds

10. An isotope of an element contains different numbers of from other atoms of the same
element.
a. electrons
b. protons
c. neutrons
d. both protons and neutrons
ANS: C DIF: Application REF: p. 42 TOP: Isotopes

11. The study of metabolism includes examination of:
a. catabolism.
b. anabolism.
c. ATP requirements.
d. all of the above.
ANS: D DIF: Memorization REF: p. 46
TOP: Metabolism

12. An example of a catabolic process is:
a. hydrolysis.
b. dehydration synthesis.
c. formation of a peptide bond.

, Anatomy and Physiology 10th Edition Patton Test Bank

d. both B and C.
ANS: A DIF: Memorization REF: p. 46
TOP: Metabolism

13. Which of the following elements is least likely to combine with another element?
a. Hydrogen
b. Helium
c. Oxygen
d. Carbon
ANS: B DIF: Synthesis REF: p. 42
TOP: Attractions Between Atoms—Chemical Bonds

14. The hydrogen isotope tritium consists of:
a. one proton.
b. one proton and one neutron.
c. two protons and one neutron.
d. one proton and two neutrons.
ANS: D DIF: Application REF: p. 42, Figure 3-7
TOP: Isotopes

15. Which of the following bonds are the weakest?
a. Ionic
b. Hydrogen
c. Electrovalent
d. Covalent

ANS: B DIF: Memorization REF: p. 44
TOP: Hydrogen Bonds

16. The type of reaction in which substances are combined to form more complex substances is
called a(n) reaction.
a. reversible
b. exchange
c. synthesis
d. decomposition
ANS: C DIF: Memorization REF: p. 45
TOP: Chemical Reactions

17. The process of the digestion of food is an example of which type of reaction?
a. Synthesis
b. Decomposition
c. Exchange
d. Reversible
ANS: B DIF: Application REF: p. 45 TOP: Chemical Reactions

18. Substances that accept hydrogen ions are called:
a. acids.
b. bases.