Which of the following is NOT a type of neuron?
A) Sensory Neuron B) Motor Neuron C) Connector Neuron D) Interneuron
The Correct Answer and Explanation is:
The correct answer is C) Connector Neuron.
Explanation:
The human nervous system consists of three main types of neurons, each playing a crucial role in the transmission of information throughout the body. These are:
- Sensory Neurons (A): Sensory neurons are responsible for carrying information from sensory receptors (such as those for touch, sight, sound, etc.) toward the central nervous system (CNS), which includes the brain and spinal cord. These neurons receive stimuli from the environment and relay the information to the CNS for processing. For example, when you touch something hot, sensory neurons send a message to your brain, alerting you to the pain.
- Motor Neurons (B): Motor neurons carry signals from the CNS to muscles and glands. These neurons are essential for movement and bodily functions. When the brain decides to move a limb or perform a task, motor neurons transmit the command to the relevant muscles, triggering contraction or relaxation.
- Interneurons (D): Interneurons are found in the CNS and serve as intermediaries between sensory and motor neurons. They process and integrate sensory input and motor output, forming neural circuits that are crucial for reflexes, learning, and decision-making. Interneurons enable communication within the CNS and play an important role in complex behaviors.
However, C) Connector Neuron is not a recognized type of neuron. The term “connector neuron” is not used in the classification of neurons in neuroscience. It may be mistakenly used to refer to interneurons or relay neurons that facilitate communication between sensory and motor neurons, but “connector neuron” is not a standard term.
Thus, the correct answer is C) Connector Neuron, as it does not represent a distinct category of neurons within the nervous system.