somatic motor fibers preganglionic visceral motor fibers postganglionic visceral motor fibers visceral somatic sensory fibers sensory fibers

Q: In a withdrawal reflex with reciprocal innervation:     inhibitory interneurons decussate from the…

A: Withdrawal reflex is a protective reflex. It is present during birth and thus persists throughout…

Q: True/False: In a polysynaptic reflex, a sensory neuron synapses directly with a motor neuron.

A: A reflex, or reflex activity, is a compulsory and almost immediate movement because of a stimulus. A…

Q: Compare and contrast the general composition, function, and distribution of gray and white matter…

A: Gray matter is composed primarily of neuronal cell bodies also known as soma which is a spherical…

Q: Differentiate between Thalamus and Hypothalamus.

A: Human brain is the largest and most complex organ which serves as a centre of nervous system. It is…

Q: Explain how impulse conduction differs in myelinated and unmyelinated nerve fibers.

A: A nerve fiber is a long and slender fiber that is made of the neuron. It conducts the electrical…

Q: Stimulation of D1 Medium Spiny Neurons in the Striatum causes of the Globus Pallidus and subsequent…

A: The basal ganglia are involved in action selection. It is a proven fact that a direct pathway leads…

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: Certain postganglionic neurons cause the pupil of the eye to constrict by releasing what chemical…

A: Post-ganglionic nerve fibres are the nerve fibres that stretch from the ganglion to the effector…

Q: How does the autonomic nervous system differ functionallyand anatomically from the somatic motor…

A: In anatomy, the nervous system can acquire and produce reactions to knowledge about the world around…

Q: Identify the CNS components that form the somatic motor pathways.

A: We can say that In physiology, the nervous system is a complex system in vertebrates that allows…

Q: Horner’s syndrome is a condition that presents with changes in one eye, such as pupillary…

A: The damage that happens to the neural pathway of the sympathetic nervous system when it passes on to…

Q: Define thalamus

A: The nervous system acts through nerve impulses along the axons of the neurons and neurotransmitters…

Q: Describe the relationship between axons and Schwann cells in myelinated versus nonmyelinated nerve…

A: The nervous system is the system which is responsible for maintaining the coordination among all…

Q: Reflex arcs contain all except       Efferent neuron   Afferent neuron   Cerebellum…

A: Introduction: Reflex is a term used to describe a rapid and involuntary movement in response to a…

Q: Describe the organization of autonomic motor neurons.

A: Autonomic motor neurons are otherwise known as visceral motor neurons. Autonomic motor neurons are…

Q: the biosynthesis of acetylcholine in choliner

A: Acetylcholine synthesizes in cholinergic neuron. It is synthesized from Acetate and Choline with the…

Q: which of the following is a characteristic of both somatic and autonomic motor pathways? nicotonic…

A: The nervous system is responsible for running specialized mechanisms to maintain the body's…

Q: what will happen if motor cortex is damaged but the basal ganglia is not?

A: The brain is the epicenter of the central nervous system (CNS) which helps in the control,…

Q: List the tracts of the extrapyramidal system and explain how this system differs from the pyramidal…

A: Introduction: The motor (descending) pathways change the balance of inhibitory and excitatory input…

Q: During repolarization,the sodium channels are closed.How does this affect a neuron? a. the neuron…

A: Repolarization is the stage of an action potential when the cell's voltage drops due to the efflux…

Q: Since all APs generated by a given nerve fiber have the same magnitude, how does the CNS “know”…

A: The generation of an action potential is an " all or none phenomenon". An action potential will only…

Q: Compare and contrast the upper and lower motor neuronswith respect to their cell body origin, what…

A: Motor neurons are the neurons that carry the nerve impulse from the spinal cord to the effector…

Q: Differentiate between cholinergic and adrenergicneurons

A: Introduction- Neurons are also known as nerve cells that are important for the functioning of the…

Q: Describe the structure and function of the pyramidal and extrapyramidal motor tracts.

A: The pyramidal as well as extrapyramidal are the parts of the nervous system and are explained in the…

Q: if a person were in car accident, what division of the autonomic nervous system would be activated

A: The Autonomic Nervous System (ANS) is responsible for controlling various body functions involving…

Q: List the possible motor functions played by the brain stem, the motor cortex, and the cerebellum.

A: Motor functions include all the activities, ranging from voluntary and involuntary muscle movements…

Q: explain in simple terms how exactly the cerebellum communicates with the motor cortex when executing…

A: The central nervous system (CNS) is the governing epicenter of the body that is concerned with the…

Q: The Parasympathetic nerves have : select all     Long myelinated pre-ganglionic nerve     Short…

A: The parasympathetic nervous system, the division of the nervous system alters organs such as glands.…

Q: Can you explain the physiologic basis of these results following the stimulation of the central…

A: The vagus nerve, historically cited as the pneumogastric nerve, is the tenth cranial nerve or CN X,…

Q: Explain how the basal nuclei and the cerebellumregulate motor function.

A: Muscle contraction is described as an increase in muscle tension or a decrease in the muscle's…