Essentials of Anatomy & Physiology Chapter 2
Chapter 2: The Chemical Level of Organization
Multiple-Choice Questions
1) The branch of science that investigates matter and its interactions is
A) Biology.
B) Pathology.
C) Botany.
D) Geology.
E) Chemistry.
Answer: E
2) The uncharged subatomic particles are called
A) Atoms.
B) Molecules.
C) Protons.
D) Neutrons.
E) Electrons.
Answer: D
3) Which of the following would have a negative charge?
A) An atom
B) A molecule
C) A proton
D) A neutron
E) An electron
Answer: E
4) Atoms that are of the same element but contain different numbers of neutrons are called
A) Isomers.
B) Cations.
C) Isotopes.
,D) Anions.
E) None of these are correct.
Answer: C
5) The atomic number of an atom is determined by the
A) Number of protons.
B) Number of neutrons.
C) Number and arrangement of electrons.
D) Size of the atom.
E) Mass of the atom.
Answer: A
6) Positively charged subatomic particles are called
A) Isotopes.
B) Neutrons.
C) Electrons.
D) Protons.
E) Radioactivity.
Answer: D
7) A (n) ________ contains atoms with the same atomic number.
A) Base
B) Element
C) Cation
D) Anion
E) Enzyme
Answer: B
8) The area around the center of an atom, which contains negatively charged subatomic particles,
Is called the electron ________.
A) Cloud
B) Nucleus
C) Active site
, D) Buffering zone
E) Double helix
Answer: A
9) Which of the following elements is found in all organic molecules?
A) Nitrogen
B) Oxygen
C) Iron
D) Carbon
E) Copper
Answer: D
10) Atoms of the same element have the same number of ________ but may have a different number of
________.
A) Protons; electrons
B) Electrons; protons
C) Electrons; neutrons
D) Neutrons; electrons
E) Protons; neutrons
Answer: E
11) The mass number represents the number of
A) Protons in an atom.
B) Electrons in an ion.
C) Neutrons in an atom.
D) Protons and neutrons.
E) Neutrons and electrons.
Answer: D
12) Which of the following is sometimes used in diagnostic imaging?
A) A radioisotope
B) A proton
C) An ion
Chapter 2: The Chemical Level of Organization
Multiple-Choice Questions
1) The branch of science that investigates matter and its interactions is
A) Biology.
B) Pathology.
C) Botany.
D) Geology.
E) Chemistry.
Answer: E
2) The uncharged subatomic particles are called
A) Atoms.
B) Molecules.
C) Protons.
D) Neutrons.
E) Electrons.
Answer: D
3) Which of the following would have a negative charge?
A) An atom
B) A molecule
C) A proton
D) A neutron
E) An electron
Answer: E
4) Atoms that are of the same element but contain different numbers of neutrons are called
A) Isomers.
B) Cations.
C) Isotopes.
,D) Anions.
E) None of these are correct.
Answer: C
5) The atomic number of an atom is determined by the
A) Number of protons.
B) Number of neutrons.
C) Number and arrangement of electrons.
D) Size of the atom.
E) Mass of the atom.
Answer: A
6) Positively charged subatomic particles are called
A) Isotopes.
B) Neutrons.
C) Electrons.
D) Protons.
E) Radioactivity.
Answer: D
7) A (n) ________ contains atoms with the same atomic number.
A) Base
B) Element
C) Cation
D) Anion
E) Enzyme
Answer: B
8) The area around the center of an atom, which contains negatively charged subatomic particles,
Is called the electron ________.
A) Cloud
B) Nucleus
C) Active site
, D) Buffering zone
E) Double helix
Answer: A
9) Which of the following elements is found in all organic molecules?
A) Nitrogen
B) Oxygen
C) Iron
D) Carbon
E) Copper
Answer: D
10) Atoms of the same element have the same number of ________ but may have a different number of
________.
A) Protons; electrons
B) Electrons; protons
C) Electrons; neutrons
D) Neutrons; electrons
E) Protons; neutrons
Answer: E
11) The mass number represents the number of
A) Protons in an atom.
B) Electrons in an ion.
C) Neutrons in an atom.
D) Protons and neutrons.
E) Neutrons and electrons.
Answer: D
12) Which of the following is sometimes used in diagnostic imaging?
A) A radioisotope
B) A proton
C) An ion
