Final Exam: BIOS 252 / BIOS252 Anatomy
and Physiology II Exam Review| Questions
and Verified Answers (2024/ 2025)
Chamberlain
QUESTION
What is an agonist?
Answer:
Prime mover
QUESTION
What is an antagonist?
Answer:
Opposes action of the prime mover
QUESTION
What is a synergist?
Answer:
An "assistant" or "helper" muscle to the agonist
QUESTION
What is a fixator?
Answer:
Stabilizes muscles
,QUESTION
What is the origin?
Answer:
Point of origin for a muscle with NO movement
QUESTION
What is the insertion
Answer:
Where the muscle inserts, non-stable end where most of the movement associated with the
muscle is performed
QUESTION
In a first class lever system, what is in the middle?
Answer:
Fulcrum
QUESTION
In a second class lever system, what is in the middle?
Answer:
Load
, QUESTION
In a third class lever system, what is in the middle?
Answer:
Effort
QUESTION
What are the neuroglial cells of the CNS and their functions?
Answer:
Astrocytes (blood brain barrier), Oligodendrocytes (myelinator--can myelinate MULTIPLE CNS
neuron axons), Microglial (phagocyte/clean-up cells), Ependymal Cell (CSF production)
QUESTION
What are the neuroglial cells of the PNS and their functions?
Answer:
Satellite cells (cover the surface of nerve cell bodies in sensory, sympathetic, and
parasympathetic ganglia), Schwann cells (myelinator--only myelinates ONE PNS cell)
QUESTION
Saltatory conduction happens in which type of neuron? Is this fast or slow conudction?
Answer:
Myelinated neurons, fast
QUESTION
Continuous conduction happens in which type of neuron? Is this fast or slow conduction?
Answer:
and Physiology II Exam Review| Questions
and Verified Answers (2024/ 2025)
Chamberlain
QUESTION
What is an agonist?
Answer:
Prime mover
QUESTION
What is an antagonist?
Answer:
Opposes action of the prime mover
QUESTION
What is a synergist?
Answer:
An "assistant" or "helper" muscle to the agonist
QUESTION
What is a fixator?
Answer:
Stabilizes muscles
,QUESTION
What is the origin?
Answer:
Point of origin for a muscle with NO movement
QUESTION
What is the insertion
Answer:
Where the muscle inserts, non-stable end where most of the movement associated with the
muscle is performed
QUESTION
In a first class lever system, what is in the middle?
Answer:
Fulcrum
QUESTION
In a second class lever system, what is in the middle?
Answer:
Load
, QUESTION
In a third class lever system, what is in the middle?
Answer:
Effort
QUESTION
What are the neuroglial cells of the CNS and their functions?
Answer:
Astrocytes (blood brain barrier), Oligodendrocytes (myelinator--can myelinate MULTIPLE CNS
neuron axons), Microglial (phagocyte/clean-up cells), Ependymal Cell (CSF production)
QUESTION
What are the neuroglial cells of the PNS and their functions?
Answer:
Satellite cells (cover the surface of nerve cell bodies in sensory, sympathetic, and
parasympathetic ganglia), Schwann cells (myelinator--only myelinates ONE PNS cell)
QUESTION
Saltatory conduction happens in which type of neuron? Is this fast or slow conudction?
Answer:
Myelinated neurons, fast
QUESTION
Continuous conduction happens in which type of neuron? Is this fast or slow conduction?
Answer:
