Nerve_Control_Decoded_Marieb_Certification_Evaluation_Test_Paper.

NERVE CONTROL DECODED MARIEB
CERTIFICATION EVALUATION TEST PAPER
2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+

●● CNS (central nervous system). Answer: Consists of the spinal cord
and brain


●● PNS (peripheral nervous system). Answer: Consists of a sensory and
motor division "the extremities"


●● Afferent division. Answer: Carries sensory information from PNS
sensory receptors to CNS


●● Efferent division. Answer: Carries motor commands from CNS to
PNS, muscles and glands
* the effect of a sense *


●● somatic nervous system. Answer: Voluntary actions, skeletal muscle
are controlled by the


●● Autonomic nervous system. Answer: Our subconscious actions "ones
we do not control"

, ●● Sympathetic division. Answer: This has a stimulating effect, fight or
flight, related to stress


●● Parasympathetic division. Answer: This has a relaxing effect and
allows the body to calm,
rest and digest
Para = para-chute (slows down)


●● Sensory neurons. Answer: Allow the senses to work


●● Motor neurons. Answer: Allow for movement (or secretion)


●● Inter neurons. Answer: Allow for communication between neurons


●● Schwann cells. Answer: ______ form myelin sheath (neurilemma)
around peripheral axons "allow for repair and regeneration"
help to insulate the nerve's axon for faster conduction of an action
potential


●● Myelination. Answer: Increases speed of neuron actions, insulates,
and protects