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