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BIOL 235 Midterm 2 Questions And Answers 100% Verified.

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BIOL 235 Midterm 2 Questions And Answers 100% Verified. between the origin and insertion which is usually located proximally in limbs ? - correct answer. Origin What happens during REVERSE MUSCLE ACTION? - correct answer. specific movements of the body the actions are reversed...

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  • October 16, 2024
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  • BIOL 235
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BIOL 235 Midterm 2 Questions And
Answers 100% Verified.



between the origin and insertion which is usually located proximally in limbs ? - correct
answer. Origin

What happens during REVERSE MUSCLE ACTION? - correct answer. specific
movements of the body the actions are reversed THEREFOR the positions of the origin
and insertion of a muscle are switched

What is a mechanical advantage using the example of a lever? - correct answer. if the
load is closer to the fulcrum and the effort is farther from the fulcrum only a small about
of effort is needed to move the load

Bones serve as levers and joints serve as ________ for the lever - correct answer.
fulcrum

Agonist (Prime Movers) _________ muscles while antagonist ____________ muscles -
correct answer. contract, relax

What are muscles that contract and stabilize the intermediate joints called? - correct
answer. synergists

What is a group of skeletal muscles, their blood vessels, and nerves called? - correct
answer. Compartment

Origin an insertion of the masseter - correct answer. Origin = maxilla and zygomatic
arch
Insertion = angle and ramus of the mandible

What is the origin of the deltoid ? - correct answer. acromial extremity of clavicle,
acromion, and spine of scapula

, What are the 3 muscles that make up the hamstring ? - correct answer.
semimebranosous, semitendinosus, biceps femoris

What 4 muscles make up the Quads ? - correct answer. rectus femoris, vastus
lateralis, vastus medialis, vastus intermedialis

What do you call a small mass of nervous tissue that is made up primarily of neuron cell
bodies? - correct answer. Ganglia

The somatic nervous system only sends impulses to ________ muscles - correct
answer. skeletal

Fight or Flight is associated with which division of the autonomic nervous system? -
correct answer. Sympathetic

What is the ability to respond to a stimulus and convert it into an action potential? -
correct answer. electrical excitability

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? - correct 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? - correct
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? - correct answer. Unipolar or
Pseudounipolar

The processes of ________ make contact with blood capillaries, neurons, and the pia
mater - correct 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 - correct answer. Astrocytes

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

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