Contrast the two major types of descending motor pathways interms of structure and function?

Q: Explain how hypotonia may result from lower motor neuron disease?

A: When the lower motor neurons are damaged that results in paralysis when the movement is lost and the…

Q: Explain the main cause of nearsighted (myopic) Condition ?

A: The eyes are one of the sensory organs of animals that allow us to see the environment around them.…

Q: Explain the process of Depolarisation of the membrane of a nerve fibre.

A: The action potential is the nerve signals that are produced by the neurons. These signals are…

Q: Difference between Sensory t Motor neurons ? SOmatic + autonomic neurons?

A: Nervous system is one of the 12 body system . This system mainly responsible for communication…

Q: Identify the differences between the somatic and autonomicnervous systems.

A: The sensory nervous system can be defined as the part of the nervous system which is responsible for…

Q: rank the components of a reflex arc in the correct order

A: In response to a stimulus, the muscles or glands give reflexes that are rapid, preprogrammed, and…

Q: EXplain reflex action.

A: The nervous system plays an important role in transmitting the reflexes from the tissues to the…

Q: Interneurons can act as “switches” that enable a movement to be turned on or off under the command…

A: Neurons are responsible for communication between different parts of the body. It is studied under…

Q: Describe the reflex arc mechanism.

A:

Q: Explain the structure of nerve fibre.

A: Neurons are cells within the nervous system. They transmit information to other nerve cells, muscle,…

Q: Define reflex and explain how reflexes differ from other motor actions.

A: An involuntary action:It is an action that takes place without the sensible choice of an organism.…

Q: Describe some common variations in reflex arcs?

A: The nervous system mediates a response that happens without our conscious effort. It is known as a…

Q: Motor effects that depend on repetitive output from a neural pool are most likely to use the _____…

A: The neuron is formed of dendrites and axon. The dendrites are projection-like structures that…

Q: Explain the function of γ motor neurons. How do γ motor neurons play their role?

A: A gamma nerve cell (γ motor neuron), additionally known as gamma motoneuron, could be a variety of…

Q: Define the term supplementary motor cortex?

A: The nervous framework is an exceptionally intricate piece of a creature that arranges its activities…

Q: Illustrate the Brain Motor Centers?

A: Body's voluntary movements are maintained by the brain. Area involved in controlling these voluntary…

Q: What part of the motor pathway inhibits inappropriate movements? a. occipital lobe b. basal nuclei…

A: The basal nuclei is a group of neurons that are located deep within the white matter of the brain.…

Q: How is the information determined by the motor program?

A: Answer: Introduction: Motor Programme means a sequence of procedures ordered into the accurate…

Q: Are interneurons important elements of the local level of the motor control hierarchy? Explain how?

A: Interneurons are connector neurons that connect the two regions of the brain. They facilitate the…

Q: .Where is the primary motor cortex found?

A: The fore brain consists of the largest and most complex part of the human brain, cerebrum. Cerebrum…

Q: Define the term alpha motor neurons?

A: The nerve impulse is an electrical signal that travels along the neuron. The charged particles…

Q: What are the two basic ways in which alpha motor neurons are controlled at the level of the spinal…

A: Alpha motor neurons are huge, multi-polar motor neurons present in the brainstem and the spinal…

Q: Differentiate between medullated nerve fibres and nonmedullated nerve fibres.

A: If a nerve fibre is surrounded by the nerve fibre it is called medullated and axons without the…

Q: Fluoxetine is anantidepressant drug thatpresents an action mechanismrelated to the…

A: Fluoxetin is an antidepressant of selective serotonin reuptake inhibitor(SSRI) class.It is sold…

Q: Define the term monosynaptic reflex?

A: Humans and animals all have reflexes that help them avoid danger. Reflexes are reflex reactions,…

Q: Draw a well labelled diagram of reflex arc?

A: When the body performs an involuntary action in response to a sudden stimulus that is processed and…

Q: sensory imput is relayed into the choices a. precentral gyrus b. insular gyrus c. hypothalamic…

A: Sensory information is collected by brain from the sense organs like nose, ears and skin ( smell,…

Q: Higher motor commands originate in all the following centers, except :-a- cerebral cortexb-…

A: Motor commands are an example of a higher-order function, in which the central nervous system…

Q: Describe the very basic somatic innervation pattern of the back, trunk, and limbs.

A: Spinal NervesSpinal nerves arise from the spinal cord and supply the rest of the body.

Q: Contrast the functions of upper and lower motor neurons.

A: Neurons are the cells of the nervous system that conduct nerve impulses.

Q: Distinguish between convergence and divergence in a neuronal pool.

A: The term neuronal pool refers to the group of nerve cells that receive and transmit information via…

Q: We know that a reflex arc is a circuit, but what are the nerve connections arc called?

A: Answer: Introduction: A reflex arc is a neural and sensory pathway that maintains a reflex.  Reflex…

Q: State the function of sensory neuron and a motor neuron.

A: Nervous system is the complex system in our body which controls the entire body and coordinates the…

Q: Explain the effects of neurotransmitter binding toreceptors in a chemical synapse

A: Neurotransmitters are the body's chemical messengers. The first neurotransmitter was acetylcholine.…

Q: Since neurotransmittersare not consumed in thesynaptic process, what are themechanisms to reduce…

A: Neurotransmitters are a type of chemical messengers, which transmit signals across a chemical…

Q: Why are upper motor neuron lesions characterized by "spastic paralysis"?

A: Spasticity in spastic paralysis may occur due to the damage of upper motor neurons caused by the…

Q: 24. Which motor tract is located just anterior to the lateral corticospinal tract and targets upper…

A: It is a collection of axons that carry movement related information from the cerebral cortex to the…

Q: Explain the function of γ motor neurons and how they play their role?

A: A gamma motor neuron [gamma motoneuron]  is a type of lower motor neuron which functions in the…

Q: Is the neural impulsegenerated by the stimulusthat triggers the arch reflexrestricted within the…

A: Nervous system coordinates and controls the activities of the animals such as perceptions, behaviors…

Q: Name the outer covering of nerve fibres.

A: A  nerve is the bundle of nerve fibres, either dendrites or axons surrounded by connective tissues.…

Q: What structures are involved in alterations of complex motor performance?

A: Motor functions: anything that happens when motor neurons are stimulated, includes glandular action,…

Q: How do individual neurons establishand maintain their characteristicintrinsic firing properties?

A: Introduction:- Neurons (also known as neurones or nerve cells) are the basic components of the brain…

Q: Why are upper motor neuron lesions characterized by“spastic paralysis”?

A: The upper motor nerve cell is the motor framework that is limited to the central sensory system…

Q: Describe the organization of the motor neuron pathway of the autonomic system

A: The autonomic nervous system in human body is a control system that acts to a great extent…

Q: What are the two mainions that participate in theelectrical impulsetransmission in neurons?

A: An action potential, likewise called a nerve impulse, is an electrical charge that moves along the…