WebThe reflex, controlled by the parasympathetic nervous system, involves three responses: pupil constriction, lens accommodation, and convergence. A near object (for example, a … WebFeb 20, 2024 · Innervation to extraocular muscles is provided by the 3rd, 4th, and 6th cranial nerves; thus, all three have to be working well on each side in order to maintain both eyes in the primary position and aligned with each other. The nuclei of all three of these cranial nerves originate in the brainstem (3rd and 4th in the midbrain and 6th in the pons).

Chapter 8 Flashcards Quizlet

WebThe remaining cranial nerves carry some combination of sensory, somatic motor and parasympathetic information. Because of the clinical importance of the cranial nerves we will discuss further the major functions of each one and some of the common symptoms observed when the nerves are damaged. Cranial Nerve 1 (CN I): Olfactory mlive cole waterman

Hemifacial Spasm: Causes, Symptoms, and Treatments

WebThe optic nerve is critical to your vision. It’s an extension of your central nervous system, which includes your brain and spine. The optic nerve transmits electrical impulses from … Web13 rows · The cranial nerves are composed of twelve pairs of nerves that emanate from the nervous tissue of the brain. In order to reach their targets they must ultimately exit/enter … WebWhich of the following functional areas of the cerebrum is responsible for vision? a) Broca’s area b) Primary visual area c) Common integrative area d) Primary olfactory area e) Primary somatosensory area b Which of the following functional areas of the cerebrum is responsible for conscious movements of the body? in hold ou on hold