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

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: 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: 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: 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: 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: 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: 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.…