Bisc 110 Test 2 | University of Mississippi | Questions with 100% Verified Answers | Latest Update

Bisc 110 Test 2 | University of Mississippi | Questions with 100% Verified
Answers | Latest Update

Question: Central Nervous System (CNS)
Answer:
processes and integrates information; includes: brain and spinal cord

Question: Peripheral Nervous System (PNS)
Answer:
Involved in sensory input and motor output; nerves connect the brain and body

Question: Sensory Input
Answer:
PNS collects information and sends to CNS

Question: Integration
Answer:
CNS interprets incoming signals

Question: Motor Response
Answer:
CNS sends signals back to the PNS to initiate a response

Question: Cell Body
Answer:
composed of organelles

Question: Dendrites
Answer:
receive signals and transmit them towards cell body

Question: Axon
Answer:
conducts nerve impulses away from cell body

, Question: Myelin Sheath
Answer:
Fatty neuroglial cells wrapped around axons, speeding up signal transmission

Question: Sensory Nuerons
Answer:
transmit signals from sensory organs to the CNS

Question: Interneurons
Answer:
process signals within the CNS

Question: Motor Neurons
Answer:
transmit signals from the CNS to muscles or glands

Question: Action Potential
Answer:
Neurons transmit signals using electrical impulses; moves along the neuron: dendrite --> cell
body --> axon

Question: Resting Protentional
Answer:
inside is negatively charged, outside is positively charged

Question: Signal
Answer:
Sodium ions (Na+) enter the neuron, flipping the charge inside the neuron

Question: Neurotransmission
Answer:
an impulse is conveyed between cells at a synapse

Question: 3 components to the synapse
Answer:
the sending neuron, the receiving cell, and the synaptic cleft