What describes a neuron in a resting state in terms of ion distribution? Inside cell is positive calcium and outside is chloride Inside cell is negative sodium and outside is potassium Inside cell is positive potassium and outside is Sodium Inside cell is negative chloride and outside is calcium

Inside cell is positive potassium and outside is Sodium

How does action potential work in terms of ion movement and neuron state restoration? Opens Na+ gates, Na+ enters, K+ exits, resting potential restored Opens K+ gates, K+ enters, Na+ exits, resting potential restored Closes Na+ gates, K+ enters, Na+ exits, resting potential restored Closes K+ gates, Na+ enters, K+ exits, resting potential restored

Opens Na+ gates, Na+ enters, K+ exits, resting potential restored

What are two factors that increase the speed of a signal in a neuron? Saltatory conduction and increase in diameter of neuron Increase in neurotransmitter release and decrease in axon diameter Decrease in myelination and increase in synaptic delay Decrease in neuron length and increase in synaptic cleft size

Saltatory conduction and increase in diameter of neuron

What are the steps involved in synaptic transmission from the presynaptic to the postsynaptic neuron? Receptor binding, neurotransmitter release, Ca2+ influx, action potential Neurotransmitter release, receptor binding, action potential, Ca2+ influx Action potential, Ca2+ influx, neurotransmitter release, receptor binding Ca2+ influx, action potential, receptor binding, neurotransmitter release

Action potential, Ca2+ influx, neurotransmitter release, receptor binding

Ib Bio Nervous sytem unit

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Biology - Anatomy

khalid1090phgs Created by 9 mon ago

Cards in this deck(26)

What are the main components of the central nervous system?

Which type of neuron carries incoming information from sensory receptors to the brain and spinal cord?

What type of neurons communicate internally within the brain and spinal cord, intervening between sensory inputs and motor outputs?

Which neurons carry outgoing information from the brain and spinal cord to muscles and glands?

What is the term for the message carried by a neuron, also known as action potential?

What describes a neuron in a resting state in terms of ion distribution?

How does action potential work in terms of ion movement and neuron state restoration?

What are two factors that increase the speed of a signal in a neuron?

What is the junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron called?

What are the steps involved in synaptic transmission from the presynaptic to the postsynaptic neuron?

What are the two types of neurotransmitters based on their effect on the postsynaptic neuron?

What is the role of the peripheral nervous system (PNS) in relation to the central nervous system (CNS)?

What is the function of the motor nervous system?

What is the primary function of the sensory nervous system?

What is the autonomic nervous system responsible for?

Which division of the peripheral nervous system controls the body's skeletal muscles?

What is the enteric nervous system responsible for?

What is the role of the sympathetic nervous system?

What is the function of the parasympathetic nervous system?

What is the function of an axon in a neuron?

What is the role of a dendrite in a neuron?

What is myelination and its function in neurons?

What is a stimulus in the context of the nervous system?

What is the role of acetylcholine in the nervous system?

What is saltatory conduction and its significance in nerve impulse transmission?

What is a node of Ranvier and its function in myelinated axons?

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Ib Bio Nervous sytem unit

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