Human Physiology - Neural Control

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Q1. Which structure in the neuron is responsible for transmitting impulses to other neurons? (2019)

Solution:

The axon is responsible for transmitting impulses away from the cell body to other neurons.

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Q2. Which part of the neuron is responsible for transmitting impulses to other neurons? (2023)

Solution:

The axon is responsible for transmitting impulses away from the cell body to other neurons or muscles.

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Q3. What is the resting membrane potential of a typical neuron? (2020)

Solution:

The resting membrane potential of a typical neuron is approximately -70 mV.

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Q4. What is the function of the synaptic cleft? (2022)

Solution:

The synaptic cleft is the small gap between two neurons where neurotransmitters are released to facilitate communication.

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Q5. What is the role of neurotransmitters in neural communication? (2019)

Solution:

Neurotransmitters are chemicals that transmit signals across the synapse from one neuron to another.

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Q6. Which type of neuron carries signals away from the central nervous system? (2021)

Solution:

Motor neurons carry signals away from the central nervous system to muscles and glands.

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Q7. What is the function of the blood-brain barrier? (2022)

Solution:

The blood-brain barrier protects the brain from harmful substances while allowing essential nutrients to pass through.

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Q8. Which part of the nervous system is responsible for the 'fight or flight' response? (2023)

Solution:

The sympathetic nervous system is responsible for the 'fight or flight' response, preparing the body for action.

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Q9. Which part of the neuron is responsible for transmitting impulses away from the cell body? (2023)

Solution:

The axon is the long projection of a neuron that transmits impulses away from the cell body.

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Q10. What is the role of the synapse in neural communication? (2022)

Solution:

The synapse is the junction between two neurons where neurotransmitters are released to facilitate communication.