Cranial Nerves Flashcards
How many cranial nerves are there?
12 pairs
What is the name of the nerves that are directly connected to the brain?
The cranial nerves
What does the nervous system consist of?
Brain, spinal cord and a network of nerves
What is the centre of the nervous system?
The brain
Which nerve is responsible for the movement of the tongue?
Hypoglossal nerve
Which zones do the trigeminal nerve supply?
The ophthalmic zone, the maxillary zone and the mandibular zone
Which cranial nerves are relevant to dental nursing?
Trigeminal nerve (5th cranial nerve)
Facial nerve (7th cranial nerve)
Glossopharyngeal nerve (9th cranial nerve)
Hypoglossal nerve (12th cranial nerve)
A patient is in for an extraction of UR4, which nerves need to be injected with anaesthetic?
Middle superior dental nerve and greater palatine nerve
Which teeth does the anterior superior dental nerve supply?
Upper 3-3 and Their labial gingiva
Which teeth does the middle superior dental nerve supply?
UR4 to the anterior half of UR6, UL4 to the anterior half of UL6 and their buccal gingiva
Which teeth does the posterior superior dental nerve supply?
Posterior half of upper 6-8 and their buccal gingiva
Which teeth does the greater palatine nerve supply?
Posterior half of upper 3-8 and their palatial gingiva
Which teeth does the nasopalatine nerve supply?
Anterior half of upper 3-3 and their palatial gingiva
What did the name of the nasopalatine nerve used to be?
Long sphenopalatine nerve
Which teeth does the inferior dental nerve supply?
Lower 8-8 and the buccal gingiva of lower 5-5
Which teeth does the lingual nerve supply?
Lingual gingiva of 8-8, the floor of the mouth and the anterior 2/3 of the tongue
Which teeth does the long buccal nerve supply?
Buccal gingiva of lower 6-8
A patient is booked in for the extraction of LL8, which nerve would the dentist need to inject with anaesthetic?
Inferior dental nerve, long buccal nerve and lingual nerve
A patient is booked in for the removal of LL1, which nerve will the dentist need to inject with local anaesthetic?
Lingual nerve and inferior dental nerve
A patient is booked in to have the LR5 removed, which nerve would the dentist need to numb?
Inferior dental nerve and lingual nerve
A patient is attending for removal of UR1, which nerves does the dentist need to numb?
Nasopalatine nerve and the anterior superior dental nerve
A patient is attending for the removal of UL5, which nerves does the dentist need to numb?
Greater palatine nerve and middle superior dental nerve
A patient is attended for removal of UR6, which nerves do the dentist need to numb?
Greater palatine nerve, posterior superior dental nerve and middle superior dental nerve
What is the name of the V cranial nerve?
Trigeminal nerve
What is the name of the VII cranial nerve?
Facial nerve
What is the name of he IX cranial nerve?
Glossopharyngeal nerve
What is the name of the XII nerve?
Hypoglossal nerve
What is the sensory function of the V cranial nerve?
Pain, temperature, touch of teeth and oral soft tissues
What is the motor function of the V cranial nerve?
Muscles of mastercation
What are the muscles of mastercation?
A group of 4 muscles associated with the movement of the jaw. They are:
1. Temporalis
2. Masetter
3. Medial pterygoid
4. Lateral pterygoid
What is the sensory function of VII cranial nerve?
Taste from anterior 2/3 of the tongue
What is the motor function of the VII cranial nerve?
Muscles of facial expression
What is the autonomic function of the VII cranial nerve?
Salivary glands
What is the sensory function of the IX cranial nerve?
Tate from posterior 1/3 of the tongue
What is the motor function of the IX nerve?
Control of swallowing
What is the autonomic function of the IX cranial nerve?
Salivary glands
What is the motor fucntion of the XII cranial nerve?
Tongue muscles
Which of the cranial nerves only has motor functions?
XII (hypoglossal)
What is the V cranial nerv
