unit 4 test

Question 1

olbiqus capitis inferior

Answer 1

A: ipsilateral rotation
O: lateral surface of spinous process of c2
I: inferior surface of transverse process of c1
N: suboccipital nerve

Question 2

obliqus capitis superior

Answer 2

A: bilateral extension of the head on c1
O: transverse process of c1
I: occipital bone
N: suboccipital nerve

Question 3

rectus capitis anterior

Answer 3

a: flex head
o: base of skull
I: anterior surface of lateral portion of c1
N: c1-c2

Question 4

Rectus capitis lateralis

Answer 4

A: flex the head
O: jugular process of the occiput
I: transverse process of c1
N: c1-c2

Question 5

rectus capitis posterior major

Answer 5

a: bilateral extension of head on atals
unilateral ipsilateral rotation
O: posterior edge of spinous process of axis 
I: inferior nuchal line 
N: suboccipital nerve

Question 6

rectus capitis posterior minor

Answer 6

a: bilateral exteniosn of the head on atalas
o: posterior tubercle of c2
I: inferior nuchal line
N: suboccipital nerve

Question 7

inferior rectus

Answer 7

A: downward rotation of the eye
O: from a tendinous ring on the posterior aspect of the orbit
I: middle of the inferior aspect on the anterior globe
N: oculomotor

Question 8

superior rectus

Answer 8

a: upward rotation of the eye
o: from a tendinous ring on the posterior aspect of orbit
I: middle of superior aspect of the anterior globe
N: oculomotor nerve

Question 9

lateral rectus

Answer 9

a: lateral rotation of the eye
O: tendionous ring on the posterior aspect of orbit
I:middle of lateral aspect of anterior globe
N: abducens nerve

Question 10

medial rectus

Answer 10

a: medial rotation of the eye
O: a tendinous ring on the posterior aspect of orbit
I: middle of medial aspect of the anterior globe
N: oculomotor nerve

Question 11

inferior oblique

Answer 11

a: look up and in
O: periosteum of the maxilla
i: inferolateral quadrant of the globe
n: oculomotor nerve

Question 12

superior oblique

Answer 12

a: out and down
o: greater wing of the sphenoid
I: superolateral quadrant of the gloe
N: trochlear nerve

Question 13

buccinator

Answer 13

a: depresses the cheeks
O: alveolar processes of the maxilla and mandible
I: angle of the mouth
N: facial nerve

Question 14

corrugator supercilii

Answer 14

a: draws the eyebrows medially and inferiorly
O: located beneath the medial portion of the eyebrows
I: angle of the eye region: medially
N: facial nerve

Question 15

depressor anguli oris

Answer 15

a: draws the angles of the mouth downward frowning
o: oblique line of the mandible
i: angle of the mouth
n: facial nerve

Question 16

depressor labii inferioris

Answer 16

a: lowers the mouth
o: oblique line of the mandible
i: lower lip
n: facial nerve

Question 17

digastric

Answer 17

a: hyoid bone fixed: depresses the mandible
mandible fixed: elevate the hyoid bone and retract the mandible
o: mastoid process
i: inferior surface of the mandible
n: trgieminal and facial nerve

Question 18

gleniohyoid

Answer 18

a: opens mouth
o: medial ridge of the mandible
i: body of the hyoid bone
ansa cervicalis nerve

Question 19

infrahyoids

Answer 19

a: depress the hyoid bone and thyroid cartilage
o: sternohyoid and sternothyroid top of manubrium
and thyrohyoid is thryoid cartilage and omohyoid is superior border of the scapula
i: hyoids on the hyoid bone and thyroid on the thyroid cartilage
c1 and c2

Question 20

levator anguli oris

Answer 20

a: raises each side of the mouth
o: just superior to the canine teeth
I: angle of the mouth
n: facial nerve

Question 21

levator labii superioris

Answer 21

a: elevate and prtorude the upper lip bilaterally
o: located medially to the levator anguli oris
i: angle of mouth
n: facial nerve

Question 22

masseter

Answer 22

elevate the mandible
o: superficial portion: zygomatic process of maxilla
profundus portion; posterior 1/3 of the zygomatic arch
i: superficial protein
inferior half of the lateral ramus of mandible
profuncus
superior 1/2 pf the ra,is and cprpmpod [rpcess p tjemandible

Question 23

mentalis

Answer 23

a: elevates the skin of the chin
o: incisive fossa of the mandible
i: points of the mandible
n: facial nerve

Question 24

mylohyoid

Answer 24

a: opens moth
o: inferior border of the mandible
i: superior aspect of the hyoid bone
n: trigeminal nerve

Question 25

orbicularis oculi

Answer 25

a: closing the eyelid o: muscles surrounding the eye I: skin surrounding the eyes n: facial nerve

Question 26

orbicularis oris

Answer 26

a: puckers the lips o: originates off the muscles surrounding the mouth I: skin surrounding the lips n: facial nerve

Question 27

occipitofrontalis

Answer 27

a: frontalis raise the eyebrows and wrinkel the forehead occipitalis anchor and retrac the galea apomeurotica posterioly origin: galea apneuotica frontalis skin superior to the eyebrows occipitalis superior nuchal line of the occiput nerve: facial nerve

Question 28

platysma

Answer 28

a: tense the fascia of the neck assist to depress the mandible and draw down the corners of the mouth o: fasical covering superior part of pectoralis major I: base of mandible n: facial nerve

Question 29

procerus

Answer 29

a: wrinkles the nose o: lower portion of the nasal bone I: lower portion of the forehead between the eyebrows n: facial nerve

Question 30

pterygoid medial

Answer 30

a: bilaterally elevate and protract the mandible o: medial surface of the lateral ptyerygoid plate of sphenoid and tuberosity of the maxilla i: medial surface of the ramus of the mandible n: trigeminal nerve

Question 31

risorius

Answer 31

retracts the corners of the mouth laterally and forms an insincere looking smile superficial to the buccinator angle of the mouth facial nerve

Question 32

suprahyoids

Answer 32

a: elevate hyoid and tongue dpress the mandible fleniohyoid and mylohydoi underside of mandible stylohyoid process for the stylohyoid hyoid bone c1 and c2

Question 33

temporalis

Answer 33

a: elevate the mandible aids in biting retract the mandible o: temporal fossa and fascia i: coronoid process and anterior edge of ramus of the mandible n: trigeminal nerve

Question 34

zygomaticus major

Answer 34

a: elevates and protracts the upper lip uses for smiling o: zygomatic bone I: angle of the mouth n: facial nerve

Question 35

glenioglossus

Answer 35

``` a: prtoracts the tonuge protracts the tongue o: mental spines of mandible i: inferior region of tongue and hyoid bone n: hypoglossal nerve ```

Question 36

styloglossus

Answer 36

a: elevates and retracts the tongue o: styloid process of temporal bone sides and inferior aspect of tongue