NUR MISC
Chapter 02 Test Bank
Student:
1. All of the food that we eat, liquids that we drink and medications that we
take are
A. chemic
al s.
B. vitami
n s.
C. protei
n s.
D. nuclei
c
acids.
E. carbohydr
at es.
2. Understanding is essential for understanding anatomy and
physiology because body structures and functions result from chemical
changes.
3. Chemistry is the branch of science that deals with the composition of
matter.
True False
4. Which of the following substances is not an element?
A. Ir
o
n
B. Oxyg
en
C. Wate
r
D. Carbo
n
E. Hydrog
en
5. Matter is anything that has weight and takes up space.
, Full file at http://testbankscafe.eu/Test-Bank-for-Holes-Essentials-of-Human-Anatomy-and-Physiology-11th-Edition-Shier
True False
6. is defined as anything that has weight and takes up space.
, Full file at http://testbankscafe.eu/Test-Bank-for-Holes-Essentials-of-Human-Anatomy-and-Physiology-11th-Edition-Shier
7. All matter is composed of atoms of fundamental substances called .
8. All matter is composed of atoms of fundamental substances called .
A. carbon, hydrogen,
oxygen, nitrogen
B. carbon, hydrogen,
oxygen, calcium
C. carbon, hydrogen,
calcium, nitrogen
D. carbon, hydrogen,
selenium, sodium
E. sodium, calcium,
nitrogen, selenium
9. An element with an atomic number of 6 contains 12 protons.
True False
10. At present, there are 90 known naturally occurring .
11. Which of the following is the number of elements living organisms require?
A. 1
0
B. 1
5
C. 2
0
D. 9
0
E. 1
4
4
12. The atomic weight of an atom of an element equals the number of
neutrons in its nucleus.
True False
13. The atomic of an atom of an element equals the number of
protons and neutrons in its nucleus.
, Full file at http://testbankscafe.eu/Test-Bank-for-Holes-Essentials-of-Human-Anatomy-and-Physiology-11th-Edition-Shier
14. The number of protons in the atoms of a particular element is called
the element's atomic .
15. Each element is composed of characteristic tiny particles called .
16. The parts of an atom that lack an electrical charge are called .
17. When atoms combine with other atoms, interactions occur between their
shells.
18. The electrons of an atom occupy one or more areas of space called
A. bon
d s.
B. shel
l s.
C. regio
n s.
D. ions
.
E. nucle
i.
19. The electrons in the outermost shell of an atom determine its
A. sha
p e.
B. weig
h t.
C. chemic
al
behavio
r.
D. mass
.
E. atomic
numbe
r.
20. The atoms of the isotopes of a particular element vary in the number of