DH 302 Exam 4
1.What are the functions of the nervous system?: activates, coordinates,
and controls all functions of the body, stimulates glands and regulates
systems of the body, allows sensations to be perceived, allows for
function of muscles, TMJ, and glands of head and neck
2.What is the cellular component of the nervous system, composed of a
cell body and neural processes?: Neuron
3.What is a bundle of neural processes in PNS?: Nerve
4.What is an accumulation of neuron cell bodies?: Ganglion
5.What is the junction between two neurons (or between a neuron an
d effector organ) where neural impulses are transmitted: Synapse
6.What is a supply of nerves to tissues, structures or organs?: Innervation
7.What is the function of the olfactory nerve?: Smell
8.What is the function of the optic nerve?: Sight
9.What is the function of the oculomotor nerve?: Eye movement
10.What is the function of the trochlear nerve?: Eye movement
11.What is the function of the trigeminal nerve?: Movement of the
muscles of mastication, sensations of the head and oral cavity
12.What is the function of the abducens nerve?: Eye movement
13.What is function of the facial nerve?: movement of the muscles of
facial expression, submand, sublingual and minor salivary glands,
sensation for skin around ear and taste
14.What is the function of the vestibulocochlear nerve?: Inner ear
15.What is the function of the glossopharyngeal nerve?: Mvmt. of
stylopharyn- geus muscle, parotid salivary gland, skin around the ear,
mucosa of the pharynx, middle ear, and taste
16.What is the function of the vagus nerve?: Movement of muscles of soft
palate, pharynx, larynx, thoracic and abdominal organs, skin around ear
and taste sensation for epiglottis
17.What is the function of the accessory nerve?: Mvmt. of the muscles of
the neck
18.What is the function of the hypoglossal nerve?: Mvmt. of the tongue
muscles
19.Is the maxillary nerve (v2) afferent or efferent?: Afferent
20.What structures does the maxillary nerve (V2) innervate?: maxilla,
oral mucosa, max. sinuses, nasal cavity, palate, nasopharynx, part
of dura mater
21.Where is the max. Nerve (V2) formed?: Within the pterygopalatine fossa
22.What nerves are included in the maxillary nerve (V2)?: - zygomatic nerve
- infraorbital nerve (IO)
, DH 302 Exam 4
- anterior superior alveolar nerve (ASA)
- middle superior alveolar nerve (MSA)
, DH 302 Exam 4
- posterior superior alveolar nerve (PSA)
- greater and lesser palatine nerve (GP/LP)
- nasopalatine nerve (NP)
23.What nerve is anesthetized during ASA and IO injections?: Maxillary
nerve V2
24.Where does the ASA nerve originate?: apical foramina of the max.
anteriors
25.What nerve ascends the anterior wall of the max. sinus and joins the
IO nerve?: ASA nerve
26.What structures does the ASA nerve innervate?: Max. anteriors and
sur- rounding periodontium to the midline
27.What is the target area of an ASA block?: anterior superior alveolar
nerve at the apex of max. canine
28.What areas are anesthetized when giving an ASA block?: max. canines
and incisors
29.What nerve block can involve crossover- innervation?: ASA block
30.What structures does the MSA nerve innnervate?: Max.
premolars, mesiobuccal root of the max. first molar and
surrounding periodontium
31.Where does the MSA nerve originate?: apical foramina
32.What nerve ascends the lateral wall of the max. sinus to join the
IO nerve?: MSA nerve
33.What nerve is anesthetized during MSA and IO injections?: MSA nerve
34.What nerve is only present in about 28% of the population?: MSA nerve
35.What is the target area of the MSA block?: Middle superior alveolar
nerve, superior to the apex of the max. second molar
36.What areas does an MSA block anesthetize?: max. premolars,
sometimes MB root of max. 1st molar
37.What structures does the IO nerve innervate?: upper lip, medial part
of the cheek, side of nose, lower eyelid
38.What maxillary structure does the IO nerve pass through?: infraorbital
fora- men
39.What is the target area of the IO block?: infraorbital nerve exiting
infraorbital foramen
40.What areas are anesthetized when giving an IO block?: IO, MSA,
ASA, lateral nasal, superior labial nerves
41.What structures do the PSA nerve innervate?: Max. sinus, max.
molars (except MB root of 1st molar), associated periodontium
42.Where does the PSA nerve originate from?: apical foramina of max.
1.What are the functions of the nervous system?: activates, coordinates,
and controls all functions of the body, stimulates glands and regulates
systems of the body, allows sensations to be perceived, allows for
function of muscles, TMJ, and glands of head and neck
2.What is the cellular component of the nervous system, composed of a
cell body and neural processes?: Neuron
3.What is a bundle of neural processes in PNS?: Nerve
4.What is an accumulation of neuron cell bodies?: Ganglion
5.What is the junction between two neurons (or between a neuron an
d effector organ) where neural impulses are transmitted: Synapse
6.What is a supply of nerves to tissues, structures or organs?: Innervation
7.What is the function of the olfactory nerve?: Smell
8.What is the function of the optic nerve?: Sight
9.What is the function of the oculomotor nerve?: Eye movement
10.What is the function of the trochlear nerve?: Eye movement
11.What is the function of the trigeminal nerve?: Movement of the
muscles of mastication, sensations of the head and oral cavity
12.What is the function of the abducens nerve?: Eye movement
13.What is function of the facial nerve?: movement of the muscles of
facial expression, submand, sublingual and minor salivary glands,
sensation for skin around ear and taste
14.What is the function of the vestibulocochlear nerve?: Inner ear
15.What is the function of the glossopharyngeal nerve?: Mvmt. of
stylopharyn- geus muscle, parotid salivary gland, skin around the ear,
mucosa of the pharynx, middle ear, and taste
16.What is the function of the vagus nerve?: Movement of muscles of soft
palate, pharynx, larynx, thoracic and abdominal organs, skin around ear
and taste sensation for epiglottis
17.What is the function of the accessory nerve?: Mvmt. of the muscles of
the neck
18.What is the function of the hypoglossal nerve?: Mvmt. of the tongue
muscles
19.Is the maxillary nerve (v2) afferent or efferent?: Afferent
20.What structures does the maxillary nerve (V2) innervate?: maxilla,
oral mucosa, max. sinuses, nasal cavity, palate, nasopharynx, part
of dura mater
21.Where is the max. Nerve (V2) formed?: Within the pterygopalatine fossa
22.What nerves are included in the maxillary nerve (V2)?: - zygomatic nerve
- infraorbital nerve (IO)
, DH 302 Exam 4
- anterior superior alveolar nerve (ASA)
- middle superior alveolar nerve (MSA)
, DH 302 Exam 4
- posterior superior alveolar nerve (PSA)
- greater and lesser palatine nerve (GP/LP)
- nasopalatine nerve (NP)
23.What nerve is anesthetized during ASA and IO injections?: Maxillary
nerve V2
24.Where does the ASA nerve originate?: apical foramina of the max.
anteriors
25.What nerve ascends the anterior wall of the max. sinus and joins the
IO nerve?: ASA nerve
26.What structures does the ASA nerve innervate?: Max. anteriors and
sur- rounding periodontium to the midline
27.What is the target area of an ASA block?: anterior superior alveolar
nerve at the apex of max. canine
28.What areas are anesthetized when giving an ASA block?: max. canines
and incisors
29.What nerve block can involve crossover- innervation?: ASA block
30.What structures does the MSA nerve innnervate?: Max.
premolars, mesiobuccal root of the max. first molar and
surrounding periodontium
31.Where does the MSA nerve originate?: apical foramina
32.What nerve ascends the lateral wall of the max. sinus to join the
IO nerve?: MSA nerve
33.What nerve is anesthetized during MSA and IO injections?: MSA nerve
34.What nerve is only present in about 28% of the population?: MSA nerve
35.What is the target area of the MSA block?: Middle superior alveolar
nerve, superior to the apex of the max. second molar
36.What areas does an MSA block anesthetize?: max. premolars,
sometimes MB root of max. 1st molar
37.What structures does the IO nerve innervate?: upper lip, medial part
of the cheek, side of nose, lower eyelid
38.What maxillary structure does the IO nerve pass through?: infraorbital
fora- men
39.What is the target area of the IO block?: infraorbital nerve exiting
infraorbital foramen
40.What areas are anesthetized when giving an IO block?: IO, MSA,
ASA, lateral nasal, superior labial nerves
41.What structures do the PSA nerve innervate?: Max. sinus, max.
molars (except MB root of 1st molar), associated periodontium
42.Where does the PSA nerve originate from?: apical foramina of max.
