, BIO 201: Anatomy & Physiology I – Complete Exam
Prep
Exam 1: Foundations
Multiple Choice Questions
1 Which of the following is the most basic level of structural organization
in the human body?
a) Tissue
b) Organ
c) Cell
d) Organ system
2 Correct Answer: c) Cell
3 Rationale: The cell is the fundamental unit of life and the most basic
structural and functional unit of the human body. Tissues are groups of
similar cells, organs are composed of multiple tissues, and organ systems
are groups of organs working together.
4 Why other options are incorrect:
◦ a) Tissue: A tissue is a group of similar cells that perform a
specific function.
◦ b) Organ: An organ is composed of two or more different types of
tissues working together to perform a specific function.
◦ d) Organ system: An organ system consists of different organs that
work together closely.
5 Anatomy is the study of:
a) Body functions
b) Body structures
, c) Disease processes
d) Chemical reactions
6 Correct Answer: b) Body structures
7 Rationale: Anatomy is derived from Greek words meaning "to cut apart"
and refers to the study of the structure of the body and its parts.
Physiology, on the other hand, is the study of body functions.
8 Why other options are incorrect:
◦ a) Body functions: This describes physiology.
◦ c) Disease processes: This is pathology.
◦ d) Chemical reactions: This is biochemistry.
9 Which of the following is an example of a negative feedback mechanism?
a) Blood clotting
b) Childbirth contractions
c) Regulation of body temperature
d) Release of oxytocin during breastfeeding
10 Correct Answer: c) Regulation of body temperature
11 Rationale: Negative feedback mechanisms work to reverse a change in a
controlled condition, bringing it back to a set point. When body
temperature rises, mechanisms like sweating are activated to lower it.
Blood clotting, childbirth, and oxytocin release are examples of positive
feedback, which intensify the original stimulus.
12 Why other options are incorrect:
◦ a) Blood clotting: This is a positive feedback mechanism, as the
process accelerates until the clot is formed.
◦ b) Childbirth contractions: This is a positive feedback mechanism,
as contractions intensify until the baby is born.
◦ d) Release of oxytocin during breastfeeding: This is a positive
feedback mechanism, as suckling stimulates more oxytocin release,
leading to more milk ejection.
13 The pH of human blood is normally maintained between 7.35 and 7.45.
This is an example of:
Prep
Exam 1: Foundations
Multiple Choice Questions
1 Which of the following is the most basic level of structural organization
in the human body?
a) Tissue
b) Organ
c) Cell
d) Organ system
2 Correct Answer: c) Cell
3 Rationale: The cell is the fundamental unit of life and the most basic
structural and functional unit of the human body. Tissues are groups of
similar cells, organs are composed of multiple tissues, and organ systems
are groups of organs working together.
4 Why other options are incorrect:
◦ a) Tissue: A tissue is a group of similar cells that perform a
specific function.
◦ b) Organ: An organ is composed of two or more different types of
tissues working together to perform a specific function.
◦ d) Organ system: An organ system consists of different organs that
work together closely.
5 Anatomy is the study of:
a) Body functions
b) Body structures
, c) Disease processes
d) Chemical reactions
6 Correct Answer: b) Body structures
7 Rationale: Anatomy is derived from Greek words meaning "to cut apart"
and refers to the study of the structure of the body and its parts.
Physiology, on the other hand, is the study of body functions.
8 Why other options are incorrect:
◦ a) Body functions: This describes physiology.
◦ c) Disease processes: This is pathology.
◦ d) Chemical reactions: This is biochemistry.
9 Which of the following is an example of a negative feedback mechanism?
a) Blood clotting
b) Childbirth contractions
c) Regulation of body temperature
d) Release of oxytocin during breastfeeding
10 Correct Answer: c) Regulation of body temperature
11 Rationale: Negative feedback mechanisms work to reverse a change in a
controlled condition, bringing it back to a set point. When body
temperature rises, mechanisms like sweating are activated to lower it.
Blood clotting, childbirth, and oxytocin release are examples of positive
feedback, which intensify the original stimulus.
12 Why other options are incorrect:
◦ a) Blood clotting: This is a positive feedback mechanism, as the
process accelerates until the clot is formed.
◦ b) Childbirth contractions: This is a positive feedback mechanism,
as contractions intensify until the baby is born.
◦ d) Release of oxytocin during breastfeeding: This is a positive
feedback mechanism, as suckling stimulates more oxytocin release,
leading to more milk ejection.
13 The pH of human blood is normally maintained between 7.35 and 7.45.
This is an example of:
