1|Page
BIOS 251 Anatomy and Physiology I
Examination||Verified Exam!!||, Chamberlain
University, 2026/2027-Question HAPS-Aligned Exam
with Lab Integration||Newest Exam!!!
Support, protection of soft tissue, mineral storage, and
blood formation are functions of which system?
a) integumentary
b) muscular
c) skeletal
d) nervous
e) none of the above - Answer-skeletal system
The smallest chemical units of matter are
a) atoms
b) molecules
c) protons
d) neutrons
e) electrons - Answer-atoms
which of the following would have the largest size?
,2|Page
- an atom
- a molecule
- a proton
- a neutron
- an electron - Answer-a molecule
Isotopes of an element differ in the number of
a) protons in the nucleus
b) electrons in the nucleus
c) neutrons in the nucleus
d) electron clouds
e) energy levels they contain - Answer-neutrons in the
nucleus
The atomic number represents the number of
a) protons in an atom
b) electrons in an ion
c) neutron in an atom
d) protons and neutrons
e) neutrons and electrons - Answer-protons in an atom
, 3|Page
The mass number of an atom indicates the number of
a) protons in the nucleus
b) neutrons in the nucleus
c) electrons in the outer shells
d) protons and neutrons in the nucleus
e) protons and electrons in an atom - Answer-protons and
neutrons in the nucleus
The chemical behavior of an atom is determined by
a) the number of protons
b) the number of neutrons
C) the number of arrangement of electrons
d) the size of the atom
e) the mass of the atom - Answer-the number of/and
arrangement of electrons
Chemical reactions that require an input of energy, such
as heat, are said to be
a) endergonic
b) activated
BIOS 251 Anatomy and Physiology I
Examination||Verified Exam!!||, Chamberlain
University, 2026/2027-Question HAPS-Aligned Exam
with Lab Integration||Newest Exam!!!
Support, protection of soft tissue, mineral storage, and
blood formation are functions of which system?
a) integumentary
b) muscular
c) skeletal
d) nervous
e) none of the above - Answer-skeletal system
The smallest chemical units of matter are
a) atoms
b) molecules
c) protons
d) neutrons
e) electrons - Answer-atoms
which of the following would have the largest size?
,2|Page
- an atom
- a molecule
- a proton
- a neutron
- an electron - Answer-a molecule
Isotopes of an element differ in the number of
a) protons in the nucleus
b) electrons in the nucleus
c) neutrons in the nucleus
d) electron clouds
e) energy levels they contain - Answer-neutrons in the
nucleus
The atomic number represents the number of
a) protons in an atom
b) electrons in an ion
c) neutron in an atom
d) protons and neutrons
e) neutrons and electrons - Answer-protons in an atom
, 3|Page
The mass number of an atom indicates the number of
a) protons in the nucleus
b) neutrons in the nucleus
c) electrons in the outer shells
d) protons and neutrons in the nucleus
e) protons and electrons in an atom - Answer-protons and
neutrons in the nucleus
The chemical behavior of an atom is determined by
a) the number of protons
b) the number of neutrons
C) the number of arrangement of electrons
d) the size of the atom
e) the mass of the atom - Answer-the number of/and
arrangement of electrons
Chemical reactions that require an input of energy, such
as heat, are said to be
a) endergonic
b) activated
