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1. Which of these is NOT one of the four general b
categories of cells that make up the human body?
A. epithelial cells
B. collagen cells
C. connective tissue cell
D. neuron
E. muscle cell
2. Physiology is the study of b
A. How two organisms interact
B. How organisms function
C. The spread of diseases
D. The structure of the body
3. The study of disease states in the body is called a
A. Pathophysiology
B. Anatomy
C. Homeostasis
D. Biology
E. Histology
4. Which is NOT a connective tissue cell? b
A. bone cells
B. skeletal muscle cells
C. blood cells
D. fat cells
E. cartilage cells
,5. What is the principal function performed by epithelial c
cells?
A. fat storage
B. anchoring body structures
C. forming boundaries between body compartments
D. generating movement
E. transmitting electrical signals
6. The cell type that is specialized to communicate with d
other cells and control their activities is
A. Epithelial cells
B. Muscle cells
C. Connective tissue cells
D. Nerve cells
7. What is the term for the developmental process that b
leads to specialized cell types?
A. genomics
B. differentiation
C. homeostasis
D. positive feedback
E. acclimatization
8. Which best describes the extracellular matrix? d
A. It is found just inside the cell membrane in all tissues,
it sends branching collagen fibers between cells to
connect them, and it transmits chemical information
from the interior of one cell to the interior of adjacent
cells.
B. It is a tissue having more than the four general cell
types, it transports proteins and polysaccharides
between body compartments, and it is the route by
which chemical signals like hormones reach all parts of
the body.
C. It covers the body's surface, it contains connective
and muscle tissue, and it helps generate movement.
D. It surrounds cells, it contains proteins,
polysaccharides and minerals, it provides a scaffold for
cell attachment, and it transmits chemical messengers
to cells.
9. If a person begins to sweat upon entering a hot room c
but continued sweating is able to keep the body
temperature constant, which of these best describes
her condition?
A. She is in an equilibrium state.
B. She is not using energy to maintain a constant
temperature.
C. She is in a steady state
D. She is using a positive feedback mechanism.
, 10. Which concept is the defining feature of the b
discipline of physiology?
A. descent with modification
B. homeostasis
C. evolution
D. dimorphism
E. differentiation
11. Describing a physiological variable as "homeostatic," d
means that it
A. has varied from the normal value, and will remain
constant at the new value.
B. never varies from an exact set point value.
C. is in an equilibrium state that requires no energy
input to stay at the normal value.
D. is in a state of dynamic constancy that is regulated to
remain near a stable set point value.
E. has no normal range, but will just change to match
the outside environmental conditions.
12. Which of the following situations best represents a d
homeostatic mechanism?
A. A person who becomes very nervous begins to
sweat profusely.
B. After going outside on a hot day, the core body
temperature increases.
C. Increasing the size of fast food restaurant portions
causes body weight to increase.
D. After eating a large batch of salty popcorn, levels of
salt in the urine increase.
E. As age increases, the amount of calcium in bones
tends to decrease.
13. What term is used to describe the steady state value a
for any variable that the body attempts to maintain?
A. Set point
B. Equilibrium potential
C. Error signal
D. Reflex arc
E. Median value
14. Which of components of a general reflex arc are e
listed in the order information typically flows through
them following a stimulus?
A. effector, afferent pathway, integrating center,
efferent pathway, receptor
B. effector, efferent pathway, integrating center, afferent
pathway, receptor
C. integrating center, receptor, afferent pathway,
efferent pathway, effector
D. receptor, efferent pathway, integrating center,
afferent pathway, effector
E. receptor, afferent pathway, integrating center,
efferent pathway, effector