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Human Anatomy & Physiology > Lab 11 - Nervous System pt. 2 > Flashcards

Lab 11 - Nervous System pt. 2 Flashcards

1
Q

Does the olfactory nerve carry sensory or motor fibers?

A

Sensory

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2
Q

What is the cranial passage for the olfactory nerve?

A

Through the cribriform plate of the ethmoid bone

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3
Q

Does the optic nerve carry sensory or motor fibers?

A

Sensory

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4
Q

What is the cranial passage for the optic nerve?

A

Through the optic canal

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5
Q

What are the four cranial nerves that are concerned exclusively with the eyes?

A
  1. Optic
  2. Oculomotor
  3. Trochlear
  4. Abducens
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6
Q

Does the oculomotor nerve carry sensory or motor fibers?

A

Motor

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7
Q

What is the cranial passage for the oculomotor nerve?

A

Through the supraorbital fissure of the sphenoid bone

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8
Q

What is the function of the oculomotor nerve?

A

Controls 4/6 muscles for eye movement; up, down, and medial movement as well as pupil constriction

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9
Q

Does the trochlear nerve carry sensory or motor fibers?

A

Motor

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10
Q

What is the cranial passage for the trochlear nerve?

A

Through the supraorbital fissure of the sphenoid bone

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11
Q

What is the function of the trochlear nerve?

A

Moves gaze down; cross controlled (decussate)

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12
Q

Does the trigeminal nerve carry sensory or motor fibers?

A

Both sensory and motor

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13
Q

What is the cranial passage for the trigeminal nerve?

A
  1. Opthalmic (V1) - Superior orbital fissure of the sphenoid bone
  2. Maxillary (V2) - Foramen rotundum of the sphenoid bone
  3. Mandibular (V3) - Foramen ovale of the sphenoid bone
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14
Q

What is the function of the trigeminal nerve?

A

Most important sensory nerve of the face; mastication

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15
Q

Does the abducens nerve carry sensory or motor fibers?

A

Motor fibers

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16
Q

What is the cranial passage for the abducens nerve?

A

Through the supraorbital fissure of the sphenoid bone

17
Q

What is the function of the abducens nerve?

A

Controls lateral rectus muscle

18
Q

Does the facial nerve carry sensory or motor fibers?

A

Both sensory and motor

19
Q

What is the cranial passage for the facial nerve?

A

Stylomastoid foramen and internal acoustic meatus

20
Q

What is the function of the facial nerve?

A

Any facial action

21
Q

Does the vestibulocochlear nerve carry sensory or motor fibers?

A

Sensory

22
Q

What is the cranial passage for the vestibulocochlear nerve?

A

Internal acoustic meatus

23
Q

What is the function of the vestibulocochlear nerve?

A

Hearing and equilibrium

24
Q

Does the glossopharyngeal nerve carry sensory or motor fibers?

A

Both sensory and motor

25
Q

What is the cranial passage for the glossopharyngeal nerve?

A

Through the jugular fossa

26
Q

What is the function of the glossopharyngeal nerve?

A

Sensations of the tongue, throat, and control of food intake, taste from posterior 1/3 of tongue

27
Q

Does the vagus nerve carry sensory or motor fibers?

A

Both sensory and motor

28
Q

What is the cranial passage for for vagus nerve?

A

Through the jugular fossa

29
Q

What is the function of the vagus nerve?

A

Digestive, urinary, pulmonary, and immune system response

30
Q

Does the accessory (spinal) nerve carry sensory or motor fibers?

A

Motor fibers

31
Q

What is the cranial passage of the accessory nerve?

A

Jugular fossa

32
Q

What is the function of the accessory nerve?

A

Swallowing; control and neck and shoulder muscles

33
Q

Does the hypoglossal nerve carry sensory or motor fibers?

A

Motor

34
Q

What is the cranial passage of the hypoglossal nerve?

A

Hypoglossal canal

35
Q

What is the function of the hypoglossal nerve?

A

Control tongue movements, speech, food manipulation, and swallowing

36
Q

What is the cranial nerve associated with Bell’s Palsy?

A

Facial nerve

Human Anatomy & Physiology (9 decks)

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