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BIOL 235 MIDTERM EXAM AND PRACTICE EXAM 180
QUESTIONS AND 100%CORRECT DETAILED
ANSWERS (VERIFIED AND GRADED A+)
what kind of tract contains axons that conduct nerve
impulses from gyri in one cerebral hemisphere to
corresponding gyri in other cerebral hemispheres?
example = corpus callosum - ANSWER-commissural
tracts
What 4 muscles make up the Quads ? - ANSWER-rectus
femoris, vastus lateralis, vastus medialis, vastus
intermedialis
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What do you call a small mass of nervous tissue that is
made up primarily of neuron cell bodies? - ANSWER-
Ganglia
The somatic nervous system only sends impulses to
________ muscles - ANSWER-skeletal
Fight or Flight is associated with which division of the
autonomic nervous system? - ANSWER-Sympathetic
What is the ability to respond to a stimulus and convert it
into an action potential? - ANSWER-electrical excitability
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What type of neurons usually have several dendrite and
on axon , and are norm ally found in brain and spinal cord
as well as motor neurons? - ANSWER-Multipolar
What type of neurons have one main dendrite and one
axon as well as are primarily found in the retina of the eye,
inner ear, and the olfactory area of brain? - ANSWER-
Bipolar
What type of neurons has dendrites and one axon that are
fused together to form a continuous process that emerges
from the cell body? - ANSWER-Unipolar or
Pseudounipolar
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The processes of ________ make contact with blood
capillaries, neurons, and the pia mater - ANSWER-
astrocytes
What neuroglia has these functions?
1. contain microfilaments that give them strength and
allow them to support neurons
2. contributes to the effectiveness of BBB
3.in embyro, they secret chemicals that regulate things
4. help maintain an appropriate chemical environment for
nerve impulse generation
5. play a role in hearing and memory - ANSWER-
Astrocytes
BIOL 235 MIDTERM EXAM AND PRACTICE EXAM 180
QUESTIONS AND 100%CORRECT DETAILED
ANSWERS (VERIFIED AND GRADED A+)
what kind of tract contains axons that conduct nerve
impulses from gyri in one cerebral hemisphere to
corresponding gyri in other cerebral hemispheres?
example = corpus callosum - ANSWER-commissural
tracts
What 4 muscles make up the Quads ? - ANSWER-rectus
femoris, vastus lateralis, vastus medialis, vastus
intermedialis
,2|Page
What do you call a small mass of nervous tissue that is
made up primarily of neuron cell bodies? - ANSWER-
Ganglia
The somatic nervous system only sends impulses to
________ muscles - ANSWER-skeletal
Fight or Flight is associated with which division of the
autonomic nervous system? - ANSWER-Sympathetic
What is the ability to respond to a stimulus and convert it
into an action potential? - ANSWER-electrical excitability
,3|Page
What type of neurons usually have several dendrite and
on axon , and are norm ally found in brain and spinal cord
as well as motor neurons? - ANSWER-Multipolar
What type of neurons have one main dendrite and one
axon as well as are primarily found in the retina of the eye,
inner ear, and the olfactory area of brain? - ANSWER-
Bipolar
What type of neurons has dendrites and one axon that are
fused together to form a continuous process that emerges
from the cell body? - ANSWER-Unipolar or
Pseudounipolar
, 4|Page
The processes of ________ make contact with blood
capillaries, neurons, and the pia mater - ANSWER-
astrocytes
What neuroglia has these functions?
1. contain microfilaments that give them strength and
allow them to support neurons
2. contributes to the effectiveness of BBB
3.in embyro, they secret chemicals that regulate things
4. help maintain an appropriate chemical environment for
nerve impulse generation
5. play a role in hearing and memory - ANSWER-
Astrocytes
