For each of the following events/outcomes, determine if the event/outcome is cau

Question

For each of the following events/outcomes, determine if the event/outcome is caused by an excitatory postsynaptic potential (answer with an E), an inhibitory postsynaptic potential (answer with an I), or caused by both (answer with both). For the items in the left hand column, determine whether they are part of the central nervous system (answer with a C), the peripheral nervous system (answer with a P), or both. For the statements in the left hand column, determine whether they are part of the motor/somatic (answer with M), parasympathetic (P), sympathetic (S) or the enteric (E) branches of the peripheral nervous system.

Explanation / Answer

Structure and Function-

1. Cranial and spinal nerves-(Both), Spinal nerves are part of PNS, Cranial nerves are also part of PNS except two nerves-two pairs of cranial nerves-the olfactory nerves and the optic nerves- considered as parts of CNS.

2 Intergration is carried out by interneurons-(C), Understanding the integration flow-Sensory neurons take information from sensory receptors to the central nervous system (CNS); interneurons occur within the CNS, and motor neurons take information from the CNS to effectors e.g. muscle or glands.

3.Carries signals to muscles and organ-(P)

4.Afferent and efferent neurons are present-(P)- Afferent and efferent neurons are two major parts of PNS, TerminologyAfferent = Receive, Efferent = Act.

5.Process information recieved from sensory organs-(C)

6.Carries sensory information towards spinal cord-(P)- Afferent neurons (aka sensory or receptors neurons) carries information towards spinal cord and are part of PNS.

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