BIO 235 EXAM 1 ATHABASCA NEWEST VERSION 2024-
2026 ACTUAL QUESTION AND CORRECT DETAILED
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GRADE.
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A nurse is reviewing the structural organization of the human body. Which of the
following represents the correct sequence of organization from simplest to most
complex?
a. Chemical, cellular, tissue, organ, system, organismal
b. Cellular, chemical, tissue, organ, system, organismal
c. Chemical, tissue, cellular, organ, system, organismal
d. Cellular, tissue, chemical, organ, system, organismal
✔️ Correct Answer: A
Rationale: The levels of structural organization in the human body, from simplest to
most complex, are: chemical (atoms and molecules), cellular (cells), tissue (groups of
cells), organ (two or more tissues), system (related organs), and organismal (all systems
combined). This hierarchy is fundamental to understanding human anatomy and
physiology.
A nurse is educating a client about the 11 systems of the human body. Which of the
following is a function of the integumentary system?
a. Support and storage of minerals
b. Generation of action potentials
c. Protection and body temperature regulation
d. Breakdown and absorption of nutrients
,✔️ Correct Answer: C
Rationale: The integumentary system (skin, hair, nails, glands) provides protection,
regulates body temperature, provides cutaneous sensation, and performs metabolic
functions. Support and storage of minerals is a function of the skeletal system.
Generation of action potentials is a function of the nervous system. Breakdown and
absorption of nutrients is a function of the digestive system.
A nurse is explaining the functions of the skeletal system to a client. Which of the
following is a correct function of the skeletal system?
a. Heat production
b. Blood cell production
c. Regulation of body activities by releasing hormones
d. Carrying lipids from the gastrointestinal tract to the blood
✔️ Correct Answer: B
Rationale: The skeletal system functions include support, storage of minerals and lipids,
blood cell production (hematopoiesis), protection, and leverage. Heat production is a
function of the muscular system. Regulation of body activities by releasing hormones is
a function of the endocrine system. Carrying lipids from the gastrointestinal tract to the
blood is a function of the lymphatic system.
A nurse is reviewing the functions of the cardiovascular system. Which of the following
is a primary function of this system?
a. Regulating body temperature
b. Generating action potentials
c. Transporting oxygen and nutrients to cells
d. Breaking down food into absorbable nutrients
✔️ Correct Answer: C
Rationale: The cardiovascular system (heart, blood vessels, blood) transports oxygen,
nutrients, hormones, and wastes. It also helps regulate acid-base balance, temperature,
,and water content of body fluids. Regulating body temperature is a function of the
integumentary system. Generating action potentials is a function of the nervous system.
Breaking down food is a function of the digestive system.
A nurse is teaching a client about the lymphatic system. Which of the following is a
function of the lymphatic system?
a. Producing hormones
b. Returning proteins and fluid to the blood
c. Filtering blood
d. Producing movement
✔️ Correct Answer: B
Rationale: The lymphatic system returns proteins and fluid to the blood, carries lipids
from the gastrointestinal tract to the blood, and plays a key role in immunity. Producing
hormones is a function of the endocrine system. Filtering blood is a function of the
urinary system. Producing movement is a function of the muscular system.
A nurse is assessing a client's understanding of homeostasis. Which of the following
statements correctly describes the role of a receptor in a feedback system?
a. The receptor evaluates the input and generates output commands.
b. The receptor produces a response that changes the controlled condition.
c. The receptor monitors changes in a controlled condition and sends input to a control
center.
d. The receptor receives output from the control center and produces a response.
✔️ Correct Answer: C
Rationale: In a feedback system, the receptor is a body structure that monitors changes
in a controlled condition and sends input (afferent pathway) to the control center. The
control center evaluates the input and sends output (efferent pathway) to the effector,
which produces a response.
, A nurse is explaining the difference between negative and positive feedback systems.
Which of the following is an example of a negative feedback system?
a. Regulation of blood pressure
b. The process of childbirth
c. Blood clotting
d. The production of milk during breastfeeding
✔️ Correct Answer: A
Rationale: Negative feedback systems reverse a change in a controlled condition and are
the most common type of feedback system. Regulation of blood pressure is a classic
example, where baroreceptors detect changes in blood pressure and the body responds
to return it to normal. Childbirth, blood clotting, and milk production are examples of
positive feedback systems, which reinforce a change.
A nurse is assessing a client's body position. The client is lying flat on their back with the
face upward. Which of the following terms best describes this position?
a. Prone
b. Supine
c. Lateral recumbent
d. Anatomical position
✔️ Correct Answer: B
Rationale: The supine position is lying on the back with the face upward. The prone
position is lying face down. Lateral recumbent is lying on the side. The anatomical
position is standing erect, facing forward, with arms at the sides and palms facing
forward.
A nurse is documenting the location of a patient's pain. The patient reports pain in the
right upper quadrant of the abdomen. Which of the following organs is most likely
involved?
2026 ACTUAL QUESTION AND CORRECT DETAILED
VERIFIED ANSWERS FROM VERIFIED SOURCES RATED A
GRADE.
2026/2027 Frequently Most Tested Questions and 100% Accurate From Past
papers | Graded A+ , Reviewed and Updated | 100% Guarantee Pass | Latest Exam
and Newest Version!!!
A nurse is reviewing the structural organization of the human body. Which of the
following represents the correct sequence of organization from simplest to most
complex?
a. Chemical, cellular, tissue, organ, system, organismal
b. Cellular, chemical, tissue, organ, system, organismal
c. Chemical, tissue, cellular, organ, system, organismal
d. Cellular, tissue, chemical, organ, system, organismal
✔️ Correct Answer: A
Rationale: The levels of structural organization in the human body, from simplest to
most complex, are: chemical (atoms and molecules), cellular (cells), tissue (groups of
cells), organ (two or more tissues), system (related organs), and organismal (all systems
combined). This hierarchy is fundamental to understanding human anatomy and
physiology.
A nurse is educating a client about the 11 systems of the human body. Which of the
following is a function of the integumentary system?
a. Support and storage of minerals
b. Generation of action potentials
c. Protection and body temperature regulation
d. Breakdown and absorption of nutrients
,✔️ Correct Answer: C
Rationale: The integumentary system (skin, hair, nails, glands) provides protection,
regulates body temperature, provides cutaneous sensation, and performs metabolic
functions. Support and storage of minerals is a function of the skeletal system.
Generation of action potentials is a function of the nervous system. Breakdown and
absorption of nutrients is a function of the digestive system.
A nurse is explaining the functions of the skeletal system to a client. Which of the
following is a correct function of the skeletal system?
a. Heat production
b. Blood cell production
c. Regulation of body activities by releasing hormones
d. Carrying lipids from the gastrointestinal tract to the blood
✔️ Correct Answer: B
Rationale: The skeletal system functions include support, storage of minerals and lipids,
blood cell production (hematopoiesis), protection, and leverage. Heat production is a
function of the muscular system. Regulation of body activities by releasing hormones is
a function of the endocrine system. Carrying lipids from the gastrointestinal tract to the
blood is a function of the lymphatic system.
A nurse is reviewing the functions of the cardiovascular system. Which of the following
is a primary function of this system?
a. Regulating body temperature
b. Generating action potentials
c. Transporting oxygen and nutrients to cells
d. Breaking down food into absorbable nutrients
✔️ Correct Answer: C
Rationale: The cardiovascular system (heart, blood vessels, blood) transports oxygen,
nutrients, hormones, and wastes. It also helps regulate acid-base balance, temperature,
,and water content of body fluids. Regulating body temperature is a function of the
integumentary system. Generating action potentials is a function of the nervous system.
Breaking down food is a function of the digestive system.
A nurse is teaching a client about the lymphatic system. Which of the following is a
function of the lymphatic system?
a. Producing hormones
b. Returning proteins and fluid to the blood
c. Filtering blood
d. Producing movement
✔️ Correct Answer: B
Rationale: The lymphatic system returns proteins and fluid to the blood, carries lipids
from the gastrointestinal tract to the blood, and plays a key role in immunity. Producing
hormones is a function of the endocrine system. Filtering blood is a function of the
urinary system. Producing movement is a function of the muscular system.
A nurse is assessing a client's understanding of homeostasis. Which of the following
statements correctly describes the role of a receptor in a feedback system?
a. The receptor evaluates the input and generates output commands.
b. The receptor produces a response that changes the controlled condition.
c. The receptor monitors changes in a controlled condition and sends input to a control
center.
d. The receptor receives output from the control center and produces a response.
✔️ Correct Answer: C
Rationale: In a feedback system, the receptor is a body structure that monitors changes
in a controlled condition and sends input (afferent pathway) to the control center. The
control center evaluates the input and sends output (efferent pathway) to the effector,
which produces a response.
, A nurse is explaining the difference between negative and positive feedback systems.
Which of the following is an example of a negative feedback system?
a. Regulation of blood pressure
b. The process of childbirth
c. Blood clotting
d. The production of milk during breastfeeding
✔️ Correct Answer: A
Rationale: Negative feedback systems reverse a change in a controlled condition and are
the most common type of feedback system. Regulation of blood pressure is a classic
example, where baroreceptors detect changes in blood pressure and the body responds
to return it to normal. Childbirth, blood clotting, and milk production are examples of
positive feedback systems, which reinforce a change.
A nurse is assessing a client's body position. The client is lying flat on their back with the
face upward. Which of the following terms best describes this position?
a. Prone
b. Supine
c. Lateral recumbent
d. Anatomical position
✔️ Correct Answer: B
Rationale: The supine position is lying on the back with the face upward. The prone
position is lying face down. Lateral recumbent is lying on the side. The anatomical
position is standing erect, facing forward, with arms at the sides and palms facing
forward.
A nurse is documenting the location of a patient's pain. The patient reports pain in the
right upper quadrant of the abdomen. Which of the following organs is most likely
involved?
