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APHY 101 MIDTERM EXAM CH. 1-
6 EXAM 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
Explain the difference between the study of Anatomy and the
study of Physiology - ANSWER-Anatomy is the study of
structure of body parts/Physiology is the study of function of
body parts
Name and define the levels of organization of life - ANSWER-
Organelles, cells, tissues, organs, and organ systems
Define Metabolisim - ANSWER-The sum of all physical and
chemical events that obtain, release, and utilize energy
Define Homeostasis. How does a homeostatic mechanism
maintain homeostasis? - ANSWER-The body's maintenance of
a stable internal environment.
Depend on normal concentrations of water, nutrients, and
oxygen, and normal body temperature and pressure
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What is meant by negative feedback? How does negative
feedback affect homeostatic mechanisms? - ANSWER-Works
to correct a deviation from a set point (Tries to get back to the
set point/normal)
Describe the structure of a serous membrane - ANSWER-
Smooth membrane consisting of 2 layers of epithelial cells
which secrete serous fluid
What are signs of aging at the cellular level? - ANSWER-
Impaired cell division and the ability to break down and recycle
worn cell parts
What is meant by anatomical position? - ANSWER-Universal
body position: Standing erect, facing forward, upper limbs at
the sides, palms facing forward and thumbs out.
Explain why chemistry is an important part of the study of
Physiology - ANSWER-Body functions depend on cellular
functions that, in turn, result from chemical changes
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Atom - ANSWER-The smallest unit of matter that defines the
chemical elements
Element - ANSWER-Fundamental substances in which all
matter is composed of
Molecule - ANSWER-2 or more atoms may combine to form a
molecule
Compound - ANSWER-A substance made from two or more
elements chemically combined
Name the bulk elements of the body - ANSWER-Carbon,
Hydrogen, Oxygen, Nitrogen, Sulfur, and Phosphorus
What do atomic number and atomic weight of an atom
represent? - ANSWER-Atomic Number is the number of
protons in the atoms of a particular element/Atomic Weight is
the number of protons plus the number of neutrons in each of
an element's atoms
APHY 101 MIDTERM EXAM CH. 1-
6 EXAM 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
Explain the difference between the study of Anatomy and the
study of Physiology - ANSWER-Anatomy is the study of
structure of body parts/Physiology is the study of function of
body parts
Name and define the levels of organization of life - ANSWER-
Organelles, cells, tissues, organs, and organ systems
Define Metabolisim - ANSWER-The sum of all physical and
chemical events that obtain, release, and utilize energy
Define Homeostasis. How does a homeostatic mechanism
maintain homeostasis? - ANSWER-The body's maintenance of
a stable internal environment.
Depend on normal concentrations of water, nutrients, and
oxygen, and normal body temperature and pressure
,2 | Page
What is meant by negative feedback? How does negative
feedback affect homeostatic mechanisms? - ANSWER-Works
to correct a deviation from a set point (Tries to get back to the
set point/normal)
Describe the structure of a serous membrane - ANSWER-
Smooth membrane consisting of 2 layers of epithelial cells
which secrete serous fluid
What are signs of aging at the cellular level? - ANSWER-
Impaired cell division and the ability to break down and recycle
worn cell parts
What is meant by anatomical position? - ANSWER-Universal
body position: Standing erect, facing forward, upper limbs at
the sides, palms facing forward and thumbs out.
Explain why chemistry is an important part of the study of
Physiology - ANSWER-Body functions depend on cellular
functions that, in turn, result from chemical changes
, 3 | Page
Atom - ANSWER-The smallest unit of matter that defines the
chemical elements
Element - ANSWER-Fundamental substances in which all
matter is composed of
Molecule - ANSWER-2 or more atoms may combine to form a
molecule
Compound - ANSWER-A substance made from two or more
elements chemically combined
Name the bulk elements of the body - ANSWER-Carbon,
Hydrogen, Oxygen, Nitrogen, Sulfur, and Phosphorus
What do atomic number and atomic weight of an atom
represent? - ANSWER-Atomic Number is the number of
protons in the atoms of a particular element/Atomic Weight is
the number of protons plus the number of neutrons in each of
an element's atoms
