BIOL 235 MIDTERM 2 EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
between the origin and insertion which is usually located proximally in
limbs ? - CORRECT ANSWERSOrigin
What happens during REVERSE MUSCLE ACTION? - CORRECT
ANSWERSspecific 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
ANSWERSif 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
ANSWERSfulcrum
Agonist (Prime Movers) _________ muscles while antagonist ____________
muscles - CORRECT ANSWERScontract, relax
What are muscles that contract and stabilize the intermediate joints called? -
CORRECT ANSWERSsynergists
,What is a group of skeletal muscles, their blood vessels, and nerves called? -
CORRECT ANSWERSCompartment
Origin an insertion of the masseter - CORRECT ANSWERSOrigin = maxilla and
zygomatic arch
Insertion = angle and ramus of the mandible
What is the origin of the deltoid ? - CORRECT ANSWERSacromial extremity of
clavicle, acromion, and spine of scapula
What are the 3 muscles that make up the hamstring ? - CORRECT
ANSWERSsemimebranosous, semitendinosus, biceps femoris
What 4 muscles make up the Quads ? - CORRECT ANSWERSrectus 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 ANSWERSGanglia
The somatic nervous system only sends impulses to ________ muscles -
CORRECT ANSWERSskeletal
Fight or Flight is associated with which division of the autonomic nervous
system? - CORRECT ANSWERSSympathetic
What is the ability to respond to a stimulus and convert it into an action
potential? - CORRECT ANSWERSelectrical 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 ANSWERSMultipolar
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 ANSWERSBipolar
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
ANSWERSUnipolar or Pseudounipolar
The processes of ________ make contact with blood capillaries, neurons, and
the pia mater - CORRECT ANSWERSastrocytes
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
CORRECT QUESTIONS AND ANSWERS
2025
between the origin and insertion which is usually located proximally in
limbs ? - CORRECT ANSWERSOrigin
What happens during REVERSE MUSCLE ACTION? - CORRECT
ANSWERSspecific 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
ANSWERSif 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
ANSWERSfulcrum
Agonist (Prime Movers) _________ muscles while antagonist ____________
muscles - CORRECT ANSWERScontract, relax
What are muscles that contract and stabilize the intermediate joints called? -
CORRECT ANSWERSsynergists
,What is a group of skeletal muscles, their blood vessels, and nerves called? -
CORRECT ANSWERSCompartment
Origin an insertion of the masseter - CORRECT ANSWERSOrigin = maxilla and
zygomatic arch
Insertion = angle and ramus of the mandible
What is the origin of the deltoid ? - CORRECT ANSWERSacromial extremity of
clavicle, acromion, and spine of scapula
What are the 3 muscles that make up the hamstring ? - CORRECT
ANSWERSsemimebranosous, semitendinosus, biceps femoris
What 4 muscles make up the Quads ? - CORRECT ANSWERSrectus 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 ANSWERSGanglia
The somatic nervous system only sends impulses to ________ muscles -
CORRECT ANSWERSskeletal
Fight or Flight is associated with which division of the autonomic nervous
system? - CORRECT ANSWERSSympathetic
What is the ability to respond to a stimulus and convert it into an action
potential? - CORRECT ANSWERSelectrical 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 ANSWERSMultipolar
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 ANSWERSBipolar
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
ANSWERSUnipolar or Pseudounipolar
The processes of ________ make contact with blood capillaries, neurons, and
the pia mater - CORRECT ANSWERSastrocytes
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
