UNE PHSL 1010 - Unit 1, Week 3 Lecture Notes latest update 2024

UNE PHSL 1010 - Unit 1,
Week 3 Lecture Notes latest
update 2024

Afferent neurons send signals directly back to the
(central/peripheral) nervous system? - answer
Central


Another name for afferent neurons is ________
neurons. - answer Sensory


Efferent neurons can be divided into what two
main categories? - answer -Somatic
-Autonomic


The autonomic nervous system can be separated
into what two main categories? - answer -
Sympathetic
-Parasympathetic


Muscular control is a result of the function of which
nervous system? - answer Peripheral efferent,
somatic motor neurons

, What two cell types are apart of the central
nervous system? - answer -Neurons: excitable
tissue that generates and conducts electrical
signals
-Glial: support, nutrition, insulation, coordination
of synaptic networks


Synaptic astrocytes are an example of what kind of
cell found within the central nervous system? -
answer Glial cell


What is the most abundant cell type in the central
nervous system? - answer Astrocytes


T/F? Afferent neurons are apart of the peripheral
nervous system. - answer True - but send signal
directly back to CNS.


Motor neurons derive from the _______ portion of
the spinal chords, while sensory neurons derive
from the _______ portions of the spinal chord. -
answer -Dorsal
-Ventral


T/F? A neuron is the same as a nerve? - answer
False.