Podcast
Questions and Answers
Match each cranial nerve with its primary sensory function:
Match each cranial nerve with its primary sensory function:
Nervus Olfactorius = Smell Nervus Opticus = Vision Nervus Vestibulocochlearis = Hearing and balance Nervus Facialis = Taste (anterior two-thirds of tongue)
Match the following cranial nerves with their motor functions related to eye movement:
Match the following cranial nerves with their motor functions related to eye movement:
Nervus Oculomotorius = Most eye movements, pupillary constriction Nervus Trochlearis = Superior oblique muscle movement Nervus Abducens = Lateral rectus muscle movement Nervus Accessorius = Does not control eye movement
Match each cranial nerve with its function in oral and pharyngeal activities:
Match each cranial nerve with its function in oral and pharyngeal activities:
Nervus Trigeminus = Mastication Nervus Glossopharyngeus = Swallowing, salivation, taste (posterior one-third of tongue) Nervus Vagus = Swallowing, speaking Nervus Hypoglossus = Tongue movement
Match the cranial nerves that have both sensory and motor functions with their additional autonomic functions:
Match the cranial nerves that have both sensory and motor functions with their additional autonomic functions:
Match the description of the specific function with the correct cranial nerve:
Match the description of the specific function with the correct cranial nerve:
Match the cranial nerve with the area it innervates or influences:
Match the cranial nerve with the area it innervates or influences:
Match the cranial nerve that carries specific type of sensory information:
Match the cranial nerve that carries specific type of sensory information:
Match a function to the cranial nerve that does NOT directly control that function:
Match a function to the cranial nerve that does NOT directly control that function:
Match the cranial nerve with its function and diagnostic test.
Match the cranial nerve with its function and diagnostic test.
Match each description with the correct division of the nervous system it describes:
Match each description with the correct division of the nervous system it describes:
Match the term to the correct description
Match the term to the correct description
Match the specific function to the nerve that has that function
Match the specific function to the nerve that has that function
Match the nerve that is not involved according to the general descriptions
Match the nerve that is not involved according to the general descriptions
Match the location of a nerve to a characteristic of the nerve
Match the location of a nerve to a characteristic of the nerve
Match each general description with its cranial nerve
Match each general description with its cranial nerve
Flashcards
Cranial Nerves (I-XII)
Cranial Nerves (I-XII)
12 cranial nerves that originate from the brain and form part of the peripheral nervous system (PNS) of the head.
Nerve Types
Nerve Types
Sensory: Carries sensory information to the brain. Motor: Transmits motor commands from the brain to muscles or glands.
Nervus Olfactorius (I)
Nervus Olfactorius (I)
Sensory nerve responsible for the sense of smell.
Nervus Opticus (II)
Nervus Opticus (II)
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Nervus Oculomotorius (III)
Nervus Oculomotorius (III)
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Nervus Trochlearis (IV)
Nervus Trochlearis (IV)
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Nervus Trigeminus (V)
Nervus Trigeminus (V)
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Nervus Abducens (VI)
Nervus Abducens (VI)
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Nervus Facialis (VII)
Nervus Facialis (VII)
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Nervus Vestibulocochlearis (VIII)
Nervus Vestibulocochlearis (VIII)
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Nervus Glossopharyngeus (IX)
Nervus Glossopharyngeus (IX)
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Nervus Vagus (X)
Nervus Vagus (X)
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Nervus Accessorius (XI)
Nervus Accessorius (XI)
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Nervus Hypoglossus (XII)
Nervus Hypoglossus (XII)
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Study Notes
- 12 cranial nerves form the PNS of the head, emerging from the brain
- Nerves can be purely sensory, purely motor, or mixed
Cranial Nerves
- Nervus olfactorius (I): sensory, responsible for smell
- Nervus opticus (II): sensory, responsible for vision
- Nervus oculomotorius (III): motor and sensory, controls eye movement, pupil constriction, and sensory signals from specific eye muscles
- Nervus trochlearis (IV): motor and sensory, controls eye movement and sensory signals from specific eye muscles
- Nervus trigeminus (V): sensory and motor, responsible for facial sensation and chewing
- Nervus abducens (VI): motor and sensory, controls eye movement and sensory signals from specific eye muscles
- Nervus facialis (VII): sensory and motor, handles taste sensations (front two-thirds of tongue), facial expressions, tear secretion, salivation, and dilation of cranial blood vessels
- Nervus vestibulocochlearis (VIII): sensory, involved in hearing and sensory signals from the balance organs in the inner ear
- Nervus glossopharyngeus (IX): sensory and motor, handles taste sensations (back third of tongue), salivation, and swallowing
- Nervus vagus (X): sensory and motor, involved in sensations from the abdomen and chest, control of organs, and pharyngeal muscles
- Nervus accessorius (XI): motor and sensory, controls neck, shoulder, and head movements, as well as sensory signals from the neck muscles
- Nervus hypoglossus (XII): motor and sensory, manages tongue movements and sensory signals from tongue muscles
Nervous System
- The central nervous system consists of the brain and spinal cord
- The peripheral nervous system includes the somatic and autonomic nervous systems
- The autonomic nervous system contains both the parasympathetic and sympathetic nervous systems
- Afferent nerves carry signals towards the central nervous system; efferent nerves carry signals away from the central nervous system
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