EDITION TALARO TEST BANK
TEST BANK
NURSING TEST BANKS
, Chapter 02 Testbank
Student:
1. Anything that occupies space and has mass is called
A. an electron.
B. living.
C. matter.
D. energy.
E. space.
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2. All of the following pertain to 6C except it
A. has 6 protons.
B. has 6 electrons.
C. has 14 neutrons.
D. is an isotope of carbon.
E. has a mass number of 14.
3. The electrons of an atom are
A. always equal in number to the number of neutrons in an atom.
B. found in the nucleus.
C. used to determine atomic number.
D. positively charged.
E. moving in pathways called orbitals.
4. The subatomic particles that surround the nucleus are the
A. electrons.
B. protons.
C. neutrons. NURSINGTB.COM
D. protons and neutrons.
E. protons and electrons.
5. What is the maximum number of electrons in the second energy shell of an atom?
A. 2
B. 4
C. 8
D. 18
E. 32
6. Isotopes are atoms of the same element that differ in their
A. neutron number.
B. electron number.
C. proton number.
D. atomic number.
E. chemical properties.
7. Two or more atoms bonded together are called a/an
A. ion.
B. isotope.
C. element.
D. electrolyte.
E. molecule.
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8. What would be the valence number of electrons in the sulfur atom S?
16
A. 2
B. 6
, C. 8
D. 16
E. 32
9. Polar molecules are composed of covalently-bonded
A. identical atoms.
B. carbon atoms.
C. ions.
D. atoms of different electronegativity.
E. atoms of identical electronegativity.
10. Reactions involving electron removal are called reactions.
A. oxidation
B. reduction
C. dehydration
D. decomposition
E. dissolution
11. Which of the following represents a synthesis reaction?
A. AB → A + B
B. A + B→AB
C. AB + XY→AX + BY
D. AB + XY→AX + BY
12. The important solvent associated with living things is
A. carbon dioxide.
B. sodium chloride.
C. ethyl alcohol.
D. benzene.
E. water. NURSINGTB.COM
13. What do H2O, NaCl, CO2, and HCl all have in common?
A. All are salts.
B. All are acids.
C. All are gases.
D. All are inorganic.
E. All are solutes.
14. Which term does not belong in this list?
A. lactic acid
B. vinegar
C. hydrogen ion donor
D. pH 8
E. acidic
15. Compared to a solution of pH 9, a solution of pH 7
A. is more basic.
-
B. has no OH ions.
+
C. has more H ions.
D. has a higher pH.
E. All of these choices are correct.
16. The building blocks of an enzyme are
A. nucleotides.
B. glycerol and fatty acids.
C. monosaccharides.
, D. phosphate, glycerol, fatty acids.
E. amino acids.
17. Cations are
A. charged subatomic particles.
B. atoms that have gained electrons.
C. radioactive isotopes.
D. capable of forming ionic bonds with anions.
E. atoms without protons.
18. Which of the following functional groups is mismatched to the organic compound?
A. phosphate – carbohydrates
B. sulfhydryl – proteins
C. amino – proteins
D. hydroxyl – alcohols
E. carboxyl – fatty acids
19. All of the following are monosaccharides except
A. glucose.
B. glycogen.
C. fructose.
D. ribose.
E. deoxyribose.
20. All of the following are lipids except
A. cholesterol.
B. starch.
C. phospholipid.
D. wax.
E. triglyceride. NURSINGTB.COM
21. A monosaccharide with 5 carbon atoms will have hydrogen atoms and oxygen atoms.
A. 10; 5
B. 5; 10
C. 5; 5
D. 10; 10
E. 2; 1
22. One nucleotide contains
A. one phosphate.
B. one pentose.
C. one nitrogen base.
D. All of these choices are correct.
23. Which of the following would have glycosidic bonds?
A. triglycerides
B. monosaccharides
C. polypeptides
D. polysaccharides
E. ATP
24. All of the following are polysaccharides, except
A. dextran in some bacterial slime layers.
B. agar used to make solid culture media.
C. a cell's glycocalyx.
D. cellulose in certain cell walls.