Exam (elaborations)

BIOL 235 Midterm 2 Test with Verified Answers Graded A+

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Course
BIOL 235

Institution
BIOL 235

BIOL 235 Midterm 2 Test with Verified Answers Graded A+ between the origin and insertion which is usually located proximally in limbs ? What happens during REVERSE MUS- CLE ACTION? What is a mechanical advantage using the example of a lever? Bones serve as levers and joints serve as for the...

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biol 235 midterm 2 test with verified answers grad

Institution BIOL 235
Course BIOL 235

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BIOL 235 Midterm 2 Test with Verified Answers Graded A+

between the origin and insertion which is
Origin
usually located proximally in limbs ?
specific movements of the body the ac-
What happens during REVERSE MUS- tions are reversed THEREFOR the po-
CLE ACTION? sitions of the origin and insertion of a
muscle are switched
if the load is closer to the fulcrum and the
What is a mechanical advantage using effort is farther from the fulcrum only a
the example of a lever? small about of effort is needed to move
the load
Bones serve as levers and joints serve
fulcrum
as for the lever
Agonist (Prime Movers)
muscles while antagonist contract, relax
muscles
What are muscles that contract and sta-
synergists
bilize the intermediate joints called?
What is a group of skeletal muscles, their
Compartment
blood vessels, and nerves called?
Origin = maxilla and zygomatic arch
Origin an insertion of the masseter Insertion = angle and ramus of the
mandible
acromial extremity of clavicle, acromion,
What is the origin of the deltoid ?
and spine of scapula
semimebranosous, semitendinosus, bi-
ceps femoris

What are the 3 muscles that make up the
hamstring ?

, BIOL 235 Midterm 2 Test with Verified Answers Graded A+

rectus femoris, vastus lateralis, vastus
medialis, vastus intermedialis

What 4 muscles make up the Quads ?

What do you call a small mass of ner-
vous tissue that is made up primarily of Ganglia
neuron cell bodies?
The somatic nervous system only sends
skeletal
impulses to muscles
Fight or Flight is associated with which
division of the autonomic nervous sys- Sympathetic
tem?
What is the ability to respond to a stim-
ulus and convert it into an action poten- electrical excitability
tial?
What type of neurons usually have sev-
eral dendrite and on axon , and are norm
Multipolar
ally found in brain and spinal cord as well
as motor neurons?
What type of neurons have one main
dendrite and one axon as well as are
Bipolar
primarily found in the retina of the eye,
inner ear, and the olfactory area of brain?
What type of neurons has dendrites and
one axon that are fused together to form
Unipolar or Pseudounipolar
a continuous process that emerges from
the cell body?
The processes of make con-
tact with blood capillaries, neurons, and astrocytes
the pia mater

, BIOL 235 Midterm 2 Test with Verified Answers Graded A+
What neuroglia has these functions?

1. contain microfilaments that give them
strength and allow them to support neu-
rons
2. contributes to the effectiveness of BBB
Astrocytes
3.in embyro, they secret chemicals that
regulate things
4. help maintain an appropriate chemical
environment for nerve impulse genera-
tion
5. play a role in hearing and memory
Oligodendrocytes

What neuroglia resemble astrocytes but
are smaller and contain fewer processes
as well as are responsible fro forming nd
maintiang myelin sheath?

What neuroglia are small cells with slen-
der processes that give them a spine
Microglial Cells
like projections as well as act as phago-
cytes?
What type of neurglia cells are cuboidal
and columanr arranged in a single lay-
er that possess microvilli and cilia? they Ependymal Cells
produce and possibly monitor and assist
in the circulation of CSF
What are the 2 types of neuroglia in the
Schwann and satellite cells
PNS?
What type of motor neuron directly sup-
lower motor neurons
plies skeletal muscle fibers?
What do all of these factors contribute
to?

1. unequal distribution of ions in the ECF

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