BIO 350 - Physiology Exam 1 - Review Ques ons and
answers | Updated RATED A+ 2026
What forms the myelin sheath in the CNS?
Oligodendrocytes
Calmodulin is ac vated by
Calcium
Which is faster? Cable proper es or ac on poten als?
Cable proper es
What does IPSP stand for?
Inhibitory Post-Synap c Poten al
Mass Ac va on occurs in which division of the autonomic nervous system?
Sympathe c
Where do pain and temperature impulses decussate?
Spinal cord
Most sensory nerves are what type of neuron
pseudo-unipolar
T or F? Acetylcholine is some mes inhibitory.
True
Where would you find Microglial cells?
CNS
Where do we see connexin proteins?
Gap junc on, electrical synapse
What voltage is res ng membrane poten al in neurons?
-70mV
, What is damaged if you have ataxia?
Cerebellum
What part of the diencephalon is closely es to the limbic system?
Hypothalamus
Which type of ion channel always has a gate?
Sodium
The red nucleus connects the cerebellum to the
Cerebrum
Which type of neuron only has 1 axon and 1 major dendrite?
Bipolar
What voltage is threshold in neurons?
-55mV
Where could you find an electrical synapse?
Cardiac muscle and between astrocytes
What is the first part of an axon called?
Hillock
A group of cell bodies in the CNS is called:
Nucleus
T or F? Damaged neurons in the PNS can be replaced by mitosis.
False
Name a neurotransmi5er that is derived from tryptophan?
Serotonin
what do paraveterbral ganglia form?
sympathe c chain
Which neurotransmi5er do all the preganglionic neurons use at the synapse in the autonomic
nervous system?
answers | Updated RATED A+ 2026
What forms the myelin sheath in the CNS?
Oligodendrocytes
Calmodulin is ac vated by
Calcium
Which is faster? Cable proper es or ac on poten als?
Cable proper es
What does IPSP stand for?
Inhibitory Post-Synap c Poten al
Mass Ac va on occurs in which division of the autonomic nervous system?
Sympathe c
Where do pain and temperature impulses decussate?
Spinal cord
Most sensory nerves are what type of neuron
pseudo-unipolar
T or F? Acetylcholine is some mes inhibitory.
True
Where would you find Microglial cells?
CNS
Where do we see connexin proteins?
Gap junc on, electrical synapse
What voltage is res ng membrane poten al in neurons?
-70mV
, What is damaged if you have ataxia?
Cerebellum
What part of the diencephalon is closely es to the limbic system?
Hypothalamus
Which type of ion channel always has a gate?
Sodium
The red nucleus connects the cerebellum to the
Cerebrum
Which type of neuron only has 1 axon and 1 major dendrite?
Bipolar
What voltage is threshold in neurons?
-55mV
Where could you find an electrical synapse?
Cardiac muscle and between astrocytes
What is the first part of an axon called?
Hillock
A group of cell bodies in the CNS is called:
Nucleus
T or F? Damaged neurons in the PNS can be replaced by mitosis.
False
Name a neurotransmi5er that is derived from tryptophan?
Serotonin
what do paraveterbral ganglia form?
sympathe c chain
Which neurotransmi5er do all the preganglionic neurons use at the synapse in the autonomic
nervous system?
