Structure of neuron

What is a reflex arc primarily responsible for?

• a) Voluntary movements

• b) Involuntary movements

• c) Emotional responses

• d) Cognitive processing

Which part of a neuron receives incoming signals from other neurons or sensory receptors?

• a) Axon

• b) Dendrite

• c) Cell body (soma)

• d) Synapse

Which component of a neuron carries the electrical impulses away from the cell body?

• a) Dendrite

• b) Axon

• c) Myelin sheath

• d) Synapse

In a reflex arc, which neuron carries the sensory information from the receptor to the spinal cord or brain?

• a) Sensory (afferent) neuron

• b) Motor (efferent) neuron

• c) Interneuron

• d) Relay neuron

What is the main function of an interneuron in a reflex arc?

• a) Transmit sensory information to muscles

• b) Transmit motor commands to muscles

• c) Process and integrate information within the central nervous system

• d) Transmit sensory information to the brain

Which of the following is a protective covering that surrounds and insulates axons in some neurons?

• a) Dendrite

• b) Synapse

• c) Myelin sheath

• d) Cell body (soma)

What is the role of the motor (efferent) neuron in a reflex arc?

• a) Transmit sensory information to the brain

• b) Transmit motor commands to muscles or glands

• c) Process and integrate sensory information

• d) Relay information between sensory neurons

What is the primary function of a sensory (afferent) neuron in a reflex arc?

• a) Transmit motor commands to muscles

• b) Process and integrate information within the central nervous system

• c) Transmit sensory information from the receptor to the spinal cord or brain

• d) Connect neurons to muscles

The reflex arc is an example of which type of neural pathway?

• a) Sensory pathway

• b) Motor pathway

• c) Central pathway

• d) Peripheral pathway

Which part of the neuron contains the nucleus and most of the cell's organelles?

• a) Axon

• b) Dendrite

• c) Synapse

• d) Cell body (soma)