BIOS 251 WEEK 1 QUESTIONS COMPREHENSIVE TEST
PREP | UPDATED FOR 2025–2026
Which subspecialty of anatomy studies the structures and function of cells?
Embryology
Systemic anatomy
Histology
Cell biology
Developmental biology - Cell biology
Atoms and molecules are part of which level of organization in the human body?
Chemical
Cellular
Tissue
Organ
System - Chemical
A structure made up of two or more types of tissues that performs a specific set of functions is
at what level of organization?
Chemical
Cellular
Tissue
Organ
System - Organ
,Which system of the body is responsible for elimination of wastes and regulating the volume
and composition of the blood, including production of red blood cells?
Urinary
Respiratory
Digestive
Endocrine
Nervous - Urinary
The development of specialized cells from unspecialized stem cells is a description of which of
the following basic life processes?
Metabolism
Movement
Growth
Differentiation
Reproduction - Differentiation
Cells are able to transport materials from one region of the cell to another just as the body is
able to transport substances to different locations, or skeletal muscles (working with your
skeleton) can transport you from the sofa to the refrigerator. What basic life process is
illustrated by this description?
Metabolism
Growth
Movement
, Differentiation
Reproduction - Movement
Which of the following situations would represent a serious disruption of the homeostasis of
the volume and composition of body fluids?
Eating a normal meal and drinking a glass of water.
Normal urination.
Sweating on a warm day, but drinking lemonade in the shade afterwards.
Drinking a sports drink after playing a game of basketball with friends.
Becoming dehydrated as your lifeboat drifts on the empty ocean. - Becoming dehydrated as
your lifeboat drifts on the empty ocean.
The homeostasis of the body is controlled through a series of steps called a feedback system or
feedback loop. One component of such systems is a control center. Which of the following
organs would frequently serve as the control center for a feedback system (remember, the
control center evaluates the disruption to homeostasis, and it also triggers a response)?
Skeletal muscles
Brain
Nerve endings in the skin
Blood and lymphatic fluid
Sweat glands - Brain
After working a 12 hour shift at the hospital Louisa comes home and lies down on her bed. She
is lying on her back looking up at the ceiling with her head resting on her arms. What is her
body position?
PREP | UPDATED FOR 2025–2026
Which subspecialty of anatomy studies the structures and function of cells?
Embryology
Systemic anatomy
Histology
Cell biology
Developmental biology - Cell biology
Atoms and molecules are part of which level of organization in the human body?
Chemical
Cellular
Tissue
Organ
System - Chemical
A structure made up of two or more types of tissues that performs a specific set of functions is
at what level of organization?
Chemical
Cellular
Tissue
Organ
System - Organ
,Which system of the body is responsible for elimination of wastes and regulating the volume
and composition of the blood, including production of red blood cells?
Urinary
Respiratory
Digestive
Endocrine
Nervous - Urinary
The development of specialized cells from unspecialized stem cells is a description of which of
the following basic life processes?
Metabolism
Movement
Growth
Differentiation
Reproduction - Differentiation
Cells are able to transport materials from one region of the cell to another just as the body is
able to transport substances to different locations, or skeletal muscles (working with your
skeleton) can transport you from the sofa to the refrigerator. What basic life process is
illustrated by this description?
Metabolism
Growth
Movement
, Differentiation
Reproduction - Movement
Which of the following situations would represent a serious disruption of the homeostasis of
the volume and composition of body fluids?
Eating a normal meal and drinking a glass of water.
Normal urination.
Sweating on a warm day, but drinking lemonade in the shade afterwards.
Drinking a sports drink after playing a game of basketball with friends.
Becoming dehydrated as your lifeboat drifts on the empty ocean. - Becoming dehydrated as
your lifeboat drifts on the empty ocean.
The homeostasis of the body is controlled through a series of steps called a feedback system or
feedback loop. One component of such systems is a control center. Which of the following
organs would frequently serve as the control center for a feedback system (remember, the
control center evaluates the disruption to homeostasis, and it also triggers a response)?
Skeletal muscles
Brain
Nerve endings in the skin
Blood and lymphatic fluid
Sweat glands - Brain
After working a 12 hour shift at the hospital Louisa comes home and lies down on her bed. She
is lying on her back looking up at the ceiling with her head resting on her arms. What is her
body position?
