BIO 350 - PHYSIOLOGY EXAM 1 - REVIEW QUESTIONS AND
ANSWERS | 2026 UPDATE | RATED 100% CORRECT.
What forms the myelin sheath in the CNS? Answer - Oligodendrocytes
Calmodulin is activated by Answer - Calcium
Which is faster? Cable properties or action potentials? Answer - Cable
properties
What does IPSP stand for? Answer - Inhibitory Post-Synaptic Potential
Mass Activation occurs in which division of the autonomic nervous system?
Answer - Sympathetic
Where do pain and temperature impulses decussate? Answer - Spinal cord
Most sensory nerves are what type of neuron Answer - pseudo-unipolar
T or F? Acetylcholine is sometimes inhibitory. Answer - True
Where would you find Microglial cells? Answer - CNS
, Where do we see connexin proteins? Answer - Gap junction, electrical synapse
What voltage is resting membrane potential in neurons? Answer - -70mV
What is damaged if you have ataxia? Answer - Cerebellum
What part of the diencephalon is closely ties to the limbic system? Answer -
Hypothalamus
Which type of ion channel always has a gate? Answer - Sodium
The red nucleus connects the cerebellum to the Answer - Cerebrum
Which type of neuron only has 1 axon and 1 major dendrite? Answer - Bipolar
What voltage is threshold in neurons? Answer - -55mV
Where could you find an electrical synapse? Answer - Cardiac muscle and
between astrocytes
What is the first part of an axon called? Answer - Hillock
A group of cell bodies in the CNS is called: Answer - Nucleus
T or F? Damaged neurons in the PNS can be replaced by mitosis. Answer -
False
ANSWERS | 2026 UPDATE | RATED 100% CORRECT.
What forms the myelin sheath in the CNS? Answer - Oligodendrocytes
Calmodulin is activated by Answer - Calcium
Which is faster? Cable properties or action potentials? Answer - Cable
properties
What does IPSP stand for? Answer - Inhibitory Post-Synaptic Potential
Mass Activation occurs in which division of the autonomic nervous system?
Answer - Sympathetic
Where do pain and temperature impulses decussate? Answer - Spinal cord
Most sensory nerves are what type of neuron Answer - pseudo-unipolar
T or F? Acetylcholine is sometimes inhibitory. Answer - True
Where would you find Microglial cells? Answer - CNS
, Where do we see connexin proteins? Answer - Gap junction, electrical synapse
What voltage is resting membrane potential in neurons? Answer - -70mV
What is damaged if you have ataxia? Answer - Cerebellum
What part of the diencephalon is closely ties to the limbic system? Answer -
Hypothalamus
Which type of ion channel always has a gate? Answer - Sodium
The red nucleus connects the cerebellum to the Answer - Cerebrum
Which type of neuron only has 1 axon and 1 major dendrite? Answer - Bipolar
What voltage is threshold in neurons? Answer - -55mV
Where could you find an electrical synapse? Answer - Cardiac muscle and
between astrocytes
What is the first part of an axon called? Answer - Hillock
A group of cell bodies in the CNS is called: Answer - Nucleus
T or F? Damaged neurons in the PNS can be replaced by mitosis. Answer -
False
