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What is the most important cranial nerve that the anterior parasympathetic fibers are associated with?
Hunnigrl21
vagus
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∙ 13y ago
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What are two major components of the parasympathetic division of the ANS?
Cranial nerves and Pelvic Splanchnic Nerves
What cranial nerve number are 90 percent of all parasympathetic fibers derived from?
X vagus
What cranial nerve causes pupil consriction?
A dilated pupil is when the black part of the eye becomes big due to reactions to light or medication. A fixed pupil is one where the black part is stuck open big due to pressure inside of the eye.
Which nerves innervate the taste buds?
Brances of the Facial (VII), Glossopharyngeal (IX), and Vagus (X) cranial nerves carry information about taste
The Parasympathetic nerve is found in what cranial nerve?
3, 7, 9 and 10 (lll, Vll, lX and X) for sure. Two sources included 5=V. Two sources did not. You might want to leave V out.
Does parasympathetic or sympethetic arise from cranial or sacral nerves?
Parasympathetic
Is mydriasis parasympathetic or sympathetic?
the parasympathetic fibers of the cranial nerve number three.
Arises from cranial and sacral nerves?
The Parasympathetic Division arises from cranial and sacral nerves.
Name the three cranial bones that contain sinuses?
Anterior cranial fossa which accommodates the anterior lobe of brain.Middle cranial fossa, much wider than the anterior cranial fossa contain the 2 temporal lobes of brain.Posterior cranial fossa is much shallower and wider than the middle cranial fossa and it accommodates the occipital lobes of the brain.
What cranial nerves does not contain preganglionic parasympathetic fibers?
optic (II)
Which cranial nerve has the most anterior origin?
There are 12 pairs of cranial nerves. Of those, the ones with the most anterior origin are called olfactory I. Olfactory I nerves are responsible for the sense of smell.
Which autonomic nervous system arises from the cranial and sacral nerves?
Parasympathetic nervous system .
Which part of the brain rests in the anterior cranial fossa?
Frontal Lobe
What are two major components of the parasympathetic division of the ANS?
Cranial nerves and Pelvic Splanchnic Nerves
What is the anterior vena cava?
The anterior vena cava, also called the cranial vena cava, is the large vein that drains the cranial half of the animal and returns the blood to the right atrium. The cranial vena cava provides venous drainage to the head, including the brain, and the front limbs.
Which cranial nerves carries nearly 75 percent of all parasympathetic division motor outflow?
vagus
Where does the efferent pathways of the parasympathetic division originate from as they leave the cns?
They originate from the cranial and sacral regions of the CNS
