HLSC 2410: PHYSIOLOGY BLOCK 1 PRACTICE QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
no, each cell has unique properties and physiology
do all cells look and act the same?
neuron
what is a specialized cell that generates and spreads electrical signals throughout the
body?
sensory neuron (afferent neuron)
Neuron that transmits impulses from a sensory receptor into the CNS (sends signals
into the CNS)
Interneurons
CNS neurons that internally communicate and intervene between the sensory inputs
and motor outputs (sends signals btwn 2+ neurons)
motor neurons (efferent neurons)
neurons that carry outgoing information from the brain and spinal cord to the muscles
and glands (sends signals AWAY from the CNS)
muscle cells
what type of cells are specialized to generate mechanical force (contract)
the interaction of contractile proteins (myosin & actin)
what is contraction?
calcium
, what do all muscle types need an increase of inside the cell to stimulate contraction?
epithelial cells
what type of cells are specialized for secretion, absorption and protection that line the
inner surface of a hollow organ or tube and are at the surface of skin?
surface of skin, inner lining of hollow organ tube or surface, like the
gastrointestinal epithelium
where are some places epithelial cells are found?
cell body and dendrites
what part of a neuron receives incoming signals from other cells/neurons?
axon hillock (initial segment)
what part of a neuron is the site where an action potential (electrical impulse) is
initiated?
axon
what part of a neuron conducts action potentials away from the cell body and towards
axon terminals?
axon terminal
what part of a neuron is the point of communication with another neuron/cell and
delivers the signal?
basolateral membrane
In epithelial cells what is the area that transports glucose out of the cell and faces the
sides and base of cell?
apical membrane
In epithelial cells what is the area that faces the lumen (hollow interior) of the organ?
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
no, each cell has unique properties and physiology
do all cells look and act the same?
neuron
what is a specialized cell that generates and spreads electrical signals throughout the
body?
sensory neuron (afferent neuron)
Neuron that transmits impulses from a sensory receptor into the CNS (sends signals
into the CNS)
Interneurons
CNS neurons that internally communicate and intervene between the sensory inputs
and motor outputs (sends signals btwn 2+ neurons)
motor neurons (efferent neurons)
neurons that carry outgoing information from the brain and spinal cord to the muscles
and glands (sends signals AWAY from the CNS)
muscle cells
what type of cells are specialized to generate mechanical force (contract)
the interaction of contractile proteins (myosin & actin)
what is contraction?
calcium
, what do all muscle types need an increase of inside the cell to stimulate contraction?
epithelial cells
what type of cells are specialized for secretion, absorption and protection that line the
inner surface of a hollow organ or tube and are at the surface of skin?
surface of skin, inner lining of hollow organ tube or surface, like the
gastrointestinal epithelium
where are some places epithelial cells are found?
cell body and dendrites
what part of a neuron receives incoming signals from other cells/neurons?
axon hillock (initial segment)
what part of a neuron is the site where an action potential (electrical impulse) is
initiated?
axon
what part of a neuron conducts action potentials away from the cell body and towards
axon terminals?
axon terminal
what part of a neuron is the point of communication with another neuron/cell and
delivers the signal?
basolateral membrane
In epithelial cells what is the area that transports glucose out of the cell and faces the
sides and base of cell?
apical membrane
In epithelial cells what is the area that faces the lumen (hollow interior) of the organ?
