Weems) 118 Questions and Correct
Answers, 100% Correct. 2024/2025.
The nervous system can be divided into two major parts:
Central and peripheral nervous systems
The central nervous system is comprised of...
Brain and spinal cord
saggital plane divides brain into:
Left and right
Horizontal plane (transverse plane) divides brain into:
Top and bottom
coronal plane (frontal plane) divides brain into:
Front and back
Posterior spinal cord:
Dorsal
Inferior cerebrum:
Ventral
Anterior spinal cord:
Ventral
Superior cerebrum:
Dorsal
Posterior cerebrum
Caudal
superior spinal cord:
Rostral
Anterior cerebrum:
Rostral
inferior spinal cord:
Caudal
, Two types of cells in nervous system:
neurons and glial cells
Cell made for signaling and communicating:
Neuron
Neurons receive input through the...
Cell body or dendrites
The signal is transmitted along the..
Axon
An involuntary response to some type of stimulus
Reflex
Reflexes must minimally include a...
Sensory neuron and a motor neuron
Most axons are covered with...
Myelin (white)
The portion of the neuron that transmits the action potential is the...
Axon
Microglia
Consume harmful substances
Astrocyte
helps form the blood-brain barrier
Oligodendroglia
Forms myelin in CNS
Schwann cells
Form myelin in PNS
Voltage of a resting membrane potential
-70 to -65 mV
Voltage of an action potential
+50mV
Action potential's are initiated in the...
Axon hillock
An action potential results from