Biology: Cranial Nerve Questions! Anatomy Quiz
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What is the number and function of the Facial Nerve?
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X, Sensory and motor input to heart, larynx, and pharynx
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II, Sensory information related to Vision
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IV, Motor control of the eyes and pupil
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VII, Motor control for facial expression and sensory information related to the face.
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Cranial nerves emerge from or enter the skull, as opposed to the spinal nerves which emerge from the vertebral column. Vagus which is the tenth and most important Cranial nerve has the longest and varied area of supply, right from oral cavity to heart and other organs. If you have just covered the topic on Cranial nerves then the quiz See morebelow is designed to test if you can name, number and identify functions of all cranial nerves.
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- 2.
What number is assigned to the optic nerve?
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III
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II
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X
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IX
Correct Answer
A. IIExplanation
This is a type of sensory nerve that transforms information about vision to the brain. To be specific this supplies information to the retina in the form of ganglion cells.Rate this question:
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- 3.
Which of the following is Cranial Nerve III?
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Trigeminal
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Glossopharyngeal
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Oculomotor
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Facial
Correct Answer
A. OculomotorExplanation
Motor functions include superiorly uplifting eyelid, superiorly rotating eyeball, construction of pupil on the exposure to light and operating several eye muscles. ONLY MOTORRate this question:
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- 4.
Which of the following is Cranial Nerve I?
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Oculomotor
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Optic
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Olfactory
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Vagus
Correct Answer
A. OlfactoryExplanation
This is a type of sensory nerve that contributes in the sense of smell in human being. These basically provide the specific cells that are termed as olfactory epithelium. It carries the information from nasal epithelium to the olfactory center in brain.Rate this question:
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- 5.
What is the name and function of Cranial Nerve VI?
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Vagus, innervation to heart, pharynx, and larynx
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Accessory, provides motor movement to the trapezius
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Abducens, motor control for lateral eye movement
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Glossopharyngeal, Sensory information related to tasted
Correct Answer
A. Abducens, motor control for lateral eye movementExplanation
Abducens innervates the lateral rectus muscle!Rate this question:
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- 6.
Name cranial nerve XI and name ONE function.
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Accessory nerve, motor control of trapezius
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Vestibulocochlear, Hearing
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Vagus, sensory to pharynx
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Oculomotor, eye movement
Correct Answer
A. Accessory nerve, motor control of trapeziusExplanation
The correct answer is Accessory nerve, motor control of trapezius. The accessory nerve, also known as cranial nerve XI, is responsible for controlling the trapezius muscle. This muscle is located in the upper back and neck and is involved in movements of the head, neck, and shoulders. The accessory nerve plays a crucial role in allowing us to perform actions such as shrugging the shoulders, tilting the head, and rotating the neck.Rate this question:
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- 7.
Which of the following is Cranial Nerve IV?
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Trochlear
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Vagus
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Glossopharyngeal
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None of the above
Correct Answer
A. TrochlearExplanation
This motor nerve sends impulses to the midbrain and performs the function of handling the eye muscles and turning the eye.Rate this question:
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- 8.
The Trigeminal Nerve is assigned which number?
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X
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IX
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V
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VII
Correct Answer
A. VExplanation
Muscles of mastication
Sensory for head/neck, sinuses, meninges, & external surface of tympanic membraneRate this question:
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- 9.
Which of the following is Cranial Nerve VIII, and what is ONE function
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Glossopharyngeal, Sensory information from pharynx
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Vestibulocochlear, Motor control of balance
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Trigeminal, Sensory information from Teeth
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Hypoglossal, Motor control of tongue
Correct Answer
A. Vestibulocochlear, Motor control of balanceExplanation
The correct answer is Vestibulocochlear, Motor control of balance. The vestibulocochlear nerve, also known as cranial nerve VIII, is responsible for both hearing (cochlear function) and balance (vestibular function). It carries sensory information from the inner ear to the brain, allowing us to maintain our balance and coordinate our movements. This nerve also helps in detecting the position of our head in space and the direction of our movements, making it crucial for motor control of balance.Rate this question:
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- 10.
Name the Number and ONE function of the Vagus Nerve.
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XI, Motor control of Trapezius
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X, Sensory information from heart
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XII, Motor control of Tongue
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V, Sensory information from mouth
Correct Answer
A. X, Sensory information from heartExplanation
Also involved in speech, swallowing, and sensory information from pharynx and larynx.Rate this question:
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- 11.
Which of the following is Cranial Nerve IX?
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Vestibulocochlear
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Hypoglossal
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Olfactory
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Glosspharyngeal
Correct Answer
A. GlosspharyngealExplanation
A sensory nerve which carries sensory information from pharynx (initial portion of throat) and some portion of tongue and palate. The information sent is about temperature, pressure and other related facts.Rate this question:
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- 12.
What is the name and function of Cranial Nerve XII?
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Glossopharyngeal, Taste
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Optic, Vision
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Hypoglossal, Motor movement of tongue
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Facial, Sensory from mouth
Correct Answer
A. Hypoglossal, Motor movement of tongueExplanation
The correct answer is Hypoglossal, Motor movement of tongue. The hypoglossal nerve is responsible for controlling the movement of the tongue. It innervates the muscles of the tongue, allowing for actions such as swallowing, speaking, and chewing. This nerve plays a crucial role in maintaining proper function and coordination of the tongue muscles, which are necessary for various oral activities.Rate this question:
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Mar 22, 2023Quiz Edited by
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May 26, 2013Quiz Created by
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