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Visual Anatomy & Physiology (Martini)
Chapter 2 Chemical Level of Organization
Multiple-Choice Questions
1) Atoms are electrically neutral
A) because the number of protons and neutrons are equal.
B) because the number of protons and electrons are equal.
C) because the number of neutrons and electrons are equal.
D) only when the atomic numbers are even.
E) when electron shells are full.
Answer: B
Learning Outcome: 2.1
Bloom’s Taxonomy: Knowledge
2) An element is defined as a pure substance consisting only of
A) atoms of the same atomic number.
B) atoms of the same atomic mass.
C) unbonded atoms.
D) atoms that are created in research laboratories.
E) atoms that occur naturally on earth.
Answer: A
Learning Outcome: 2.1
Bloom’s Taxonomy: Knowledge
3) One reason that electrons remain in their electron shells is that they
A) are repelled by one another’s negative charges.
B) naturally resist change.
C) are immobile.
D) are attracted to the positive protons in the nucleus.
E) associate with neutrons.
Answer: D
Learning Outcome: 2.1
Bloom’s Taxonomy: Knowledge
4) Elements found within the body at amounts lower than 0.0002 percent are called
A) minerals.
B) vitamins.
C) metabolites.
D) trace elements.
E) metals.
Answer: D
Learning Outcome: 2.1
Bloom’s Taxonomy: Know
