Test Bank For Hole’s Human Anatomy And Physiology 15Th Edition By David Shier

ole’s Human Anatomy & Physiology, 15e (Shier)
Chapter 2 Chemical Basis of Life
1) Matter is composed of elements, which are composed of ________.
A) atoms
B) inorganic molecules
C) organic molecules
D) chemicals
Answer: A

2) The atomic number of an atom equals the number of ________, and the atomic weight equals
the ________.
A) neutrons; number of protons
B) protons; weight of all the electrons
C) neutrons; number of protons plus electrons
D) protons; number of protons plus neutrons
Answer: D

3) In a covalent bond
A) one atom loses and another atom gains electrons.
B) atoms share a pair or more of electrons.
C) oppositely charged atoms attract.
D) like-charged atoms repel.
Answer: B

HOLES HUMAN ANATOMY AND PHYSIOLOGY 15TH EDITION SHIER TEST BANK

4) In an ionic bond
A) each atom gains electrons.
B) atoms share a pair or more of electrons.
C) oppositely charged atoms attract.
D) like-charged atoms repel.
Answer: C

5) Sodium ions and calcium ions are examples of
A) cations.
B) uncharged particles.
C) anions.
D) salts.
Answer: A

6) When K and Cl- meet, they will
A) repel and form no product.
B) form KCl with an ionic bond.
C) form KCl with a covalent bond.
D) form individual molecules.
Answer: B