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HNTMJ Flashcards

1
Q
  1. Which of the following statements describe the temporomandibular joint? (JD)
    I. As the mouth is opened, the head of the mandible moves forwards and the angle moves backwards.
    II. The joint can be felt and its movement appreciated by the palpating finger.
    III. As the mouth is closed, the head of the mandible moves forwards and the angle moves backwards.
    IV. When the mouth is closed, the convex condyle rides forward on to the articular eminence.
    V. The center of this movement is near the midpoint of the ramus and not at the joint.
    a. II, III and IV
    b. I, II, and III
    c. I, II and V
    d. II, III and V
A

c. I, II and V

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2
Q
  1. An oval hole in the back part of the floor of the middle cranial fossa and leading downwards to the masticatory region. It transmits the nerves of the muscles for mastication
    a. Foramen ovale
    b. Foramen rotundum
    c. Foramen magnum
    d. Foramen Lacrum
A

a. Foramen ovale

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3
Q
  1. True regarding the jugular foramen, except:
    a. This foramen lies lateral to the foramen magnum and the foramen spinosum
    b. Cranial nerves that pass through this foramen are glossopharyngeal nerve, vagus nerve and the accessory nerve
    c. Approaching the foramen from the lateral side is a broad bony gutter in which lies the great vein that drains blood from the interior of the skull
    d. A and C
    e. None of these
A

a. This foramen lies lateral to the foramen magnum and the foramen spinosum

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4
Q
  1. This bone results from a broadening of the anterior part of the first pharyngeal arch that consists of 2 quadrangular plates, rami, continuous at their lower ends with U shaped horizontal portion body.
    a. Maxilla
    b. Mandible
    c. Zygomatic bone
    d. Mentalis
A

b. Mandible

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5
Q
  1. Which is the correct arrangement of the layers of the scalp from deep to superficial
    a. Skin, connective tissue, aponeurosis, loose connective tissue, periosteum
    b. Perimysium, loose areolar tissue, aponeurosis, connective tissue, skin
    c. Pericranium, loose adipose tissue, aponeurosis, connective tissue, skin
    d. Periosteum, loose areolar tissue, aponeurosis, connective tissue, skin
    e. None of these
A

d. Periosteum, loose areolar tissue, aponeurosis, connective tissue, skin

Code: SCALP (Sup to deep)

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6
Q
  1. A range of 10-15mm is the normal value for what temporomandibular motion?
    a. Mandibular elevation
    b. Mandibular excursion
    c. Mandibular protrusion
    d. Mandibular retrusion
A

b. Mandibular excursion

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7
Q
  1. This is a fan shaped extrinsic tongue muscle that forms the majority of the body of the tongue. It arises from the mental spine of the mandible and its insertions are the hyoid bone. This muscle protrudes the tongue and deviate it towards the opposite side.
    a. Palatoglossus
    b. Genioglossus
    c. Styloglossus
    d. Hyoglossus
A

b. Genioglossus

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8
Q
  1. This suture extends from the front of the head to the back, down to the middle of the top of the head. It is where the 2 parietal bones meet
    a. Sagittal
    b. Squamosal
    c. Metopic
    d. A and C
    e. Lambdoidal
A

a. Sagittal

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9
Q
  1. This is the sphincter of the eye which by its contraction “screws up” the eye, draws the lids medially and gives the eye efficient protection
    a. Orbicularis oris
    b. Orbicularis occuli
    c. Meuller’s mm
    d. Inferior Rectus
A

b. Orbicularis occuli

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10
Q
  1. True regarding the masseter, except:
    a. This muscle for mastication is being innervated by the trigeminal nerve
    b. It is a thick quadrangular muscle clothing the outer surface of the ramus of the maxilla
    c. Its fibers run downward and backward and becomes palpable with the finger when the teeth is clenched
    d. This is a powerful biting muscle and can protrude the jaw
A

b. It is a thick quadrangular muscle clothing the outer surface of the ramus of the maxilla

mandible instead of maxilla

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11
Q
  1. All of the following extraocular muscles are being innervated by the optic nerve, except:
    a. Superior rectus
    b. Inferior rectus
    c. Medial rectus
    d. all of these
    e. none of these
A

d. all of these

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12
Q
  1. This part of the temporomandibular joint is formed by the articular eminence of the temporal bone and the superior surface of the disk. It is a gliding or amphiarthrodial type of joint
    a. Upper joint
    b. Lower joint
    c. Both
    d. Neither
A

a. Upper joint

Code: STIR
Superior- Translation/ Gliding
Inferior- Rotation

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13
Q
  1. This mandibular motion is obtained through bilateral action of the posterior fibers of the temporalis muscle with assistance from the digastrics and suprahyoid muscles
    a. Protrusion
    b. Retrusion
    c. Elevation
    d. Depression
A

b. Retrusion

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14
Q
  1. This is a triangular soft membranous gap at the junction of the lambdoid and sagittal sutures. It can be used as an additional sonographic window for performing cranial ultrasound to improve visualization of dependently layering intraventricular hemorrhage
    a. Anterior fontanelle
    b. Posterior fontanelle
    c. Bregma
    d. Lambda
A

b. Posterior fontanelle

A: Diamond shape

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15
Q
  1. This is a tough fibrous sheet of connective tissue that extends over the cranium and forms part of the third layer of the scalp?
    a. Glabella
    b. Occipitalis muscle
    c. Sagittal suture
    d. Galea aponeurotica
A

d. Galea aponeurotica

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16
Q
  1. All of the following triangles can be found in the posterior triangle except:
    a. Omoclavicular triangle
    b. Supraclavicular triangle
    c. Occipital triangle
    d. Subclavian triangle
    e. None of these
A

e. None of these

B and D are the same

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17
Q
  1. The anterior and posterior borders of this triangle are the anterior and posterior bellies of the digastric muscle, respectively, and the base is the inferior border of the mandible.
    a. Submental
    b. Sublingual
    c. Digastric
    d. Carotid
    e. B and C
A

c. Digastric

or Submandibular

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18
Q
  1. True about the submental triangle, except:
    a. This is bounded by the anterior bellies of digastric muscle and body of the hyoid bone
    b. It contains submental lymph nodes that receive lymphatic drainage from the mental region
    c. The submental triangle can be distorted or absent
    d. A and C
    e. None of these
A

e. None of these

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19
Q
  1. The Muller’s muscle is a structural muscle which function to maintain the elevation of the upper eyelid. It receives innervation from
    a. Sympathetic nervous system
    b. Parasympathetic nervous system
    c. Oculomotor nerve
    d. Trochlear nerve
A

a. Sympathetic nervous system

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20
Q
  1. This structure serves as the inferior border of the submental triangle
    a. Anterior neck line
    b. Hyoid bone
    c. Inferior belly of digastric
    d. Sternocleidomastoid
A

b. Hyoid bone

21
Q
  1. Which among the following muscles is not innervated by the Ansa Cervicales?
    a. Sternohyoid
    b. Sternothyroid
    c. Stylohyoid
    d. Omohyoid
A

c. Stylohyoid

22
Q
  1. The platysma is a broad sheet arising from the fascia covering the upper parts of the pectoralis major and deltoid. Which branch of facial nerve innervates this muscle?
    a. Temporal
    b. Orbital
    c. Maxillary
    d. Mandibular
    e. Cervical
A

e. Cervical

23
Q
  1. This layer serves as the nutrition of the scalp and separates it from the skull
    a. Connective tissue
    b. Aponeurosis
    c. Loose areolar tissue
    d. Peritoneum
    e. None of these
A

e. None of these

Periosteum dapat

24
Q
  1. Close-packed position of the TMJ?
    a. Mouth slightly open, lips together, teeth not in contact
    b. Teeth tightly clenched
    c. Limitation of mouth opening
    d. Mouth slightly closed
A

b. Teeth tightly clenched

25
Q
  1. Capsular pattern of TMJ?
    a. Mouth slightly open, lips together, teeth not in contact
    b. Teeth tightly clenched
    c. Limitation of mouth opening
    d. Mouth slightly closed
A

c. Limitation of mouth opening

26
Q
  1. A patient complains of pain with mouth opening that makes it difficult for her to eat foods that require chewing. Examination revealed active mouth opening to be within normal limits of:
    a. 35-55mm
    b. 15-24 mm
    c. 50-64 mm
    d. 65-74
A

a. 35-55mm

27
Q
  1. Loose-packed position of TMJ?
    a. Mouth slightly open, lips together, teeth not in contact
    b. Teeth tightly clenched
    c. Limitation of mouth opening
    d. Mouth slightly closed
A

a. Mouth slightly open, lips together, teeth not in contact

28
Q
  1. A physical therapist instructs a patient to move her lower teeth forward in relation to the upper teeth. This motion is termed:
    a. Protrusion
    b. Retrusion
    c. Lateral deviation
    d. Occlusal position
A

a. Protrusion

29
Q
  1. Also known as the external occipital protuberance?
    a. Nasion c. Glabella
    b. Inion d. Fontanelles
30
Q
  1. A muscle responsible for about 80% of the eye opening?
    a. Levator palpebrae
    b. Mueller’s muscle
    c. Orbicularis oculi
    d. Corrugator supercilli
A

a. Levator palpebrae

B: 20%

31
Q
  1. Lambdoidal suture:
    a. between two parietal bones
    b. between parietal and occipital bones
    c. between parietal and frontal bones
    d. between parietal and temporal bones
A

b. between parietal and occipital bones

32
Q
  1. The muscles of mastication are composed of the following, EXCEPT:
    a. Temporalis
    b. None of these
    c. Medial pterygoid
    d. Lateral pterygoid
    e. Masseter
A

b. None of these

A: Medial Pterygoid Internal Pterygoid
D: External Pterygoid

33
Q
  1. This ligament attaches the hyoid bone to the skull
    a. Stylohyoid ligament
    b. Thyrohyoid ligament
    c. geniohyoid ligament
    d. sternohyoid ligament
A

a. Stylohyoid ligament

34
Q
  1. This arthrokinematic motion occurs between the disc and the articular eminence and is performed by the upper joint:
    a. Translation
    b. Rotation
    c. protrusion
    d. retrusion
A

a. Translation

Code: STIR

35
Q
  1. This movement is being produced when there is bilateral action of the masseter, medial pterygoid and the temporalis
    a. Protrusion
    b. retrusion
    c. elevation
    d. depression
A

c. elevation

36
Q
  1. You are assessing a patient who was diagnosed to have Bell’s Palsy on the (L). You should expect to have weakness on the following muscles, EXCEPT:
    a. Occipitofrontalis
    b. Risorius
    c. Mentalis
    d. Sternocleiodomastoid
A

d. Sternocleiodomastoid

37
Q
  1. This fontanelle closes at approximately 18-24 months:
    a. Anterior fontanelle
    b. Posterior fontanelle
    c. all of these
    d. none of these
A

b. Posterior fontanelle

38
Q
  1. After ingesting a toxic substance found in her friend’s home, a 12 year old girl is unable to close her lips. Which of the following muscles may be paralyzed?
    a. Levator labii superioris
    b. Zygomaticus minor
    c. Orbicularis oris
    d. Lateral pterygoid
    e. Depressor labii inferiroris
A

c. Orbicularis oris

39
Q
  1. The mandibular nerve leaves the cranium via the
    a. superior orbital fissure
    b. inferior orbital fissure
    c. foramen ovale
    d. foramen rotundum
    e. foramen spinosum
A

c. foramen ovale

40
Q
  1. Which of the four primary muscle is innervated by the vestibulocochlear nerve
    a. Palatoglossus d. Styloglossus
    b. Genioglossus e. all of these
    c. None of these
A

c. None of these

41
Q
  1. The emissary vein is considered to be the most dangerous vein in the body which can be a route of spread of infection to the brain. What layer is being described?
    a. None of these c. periosteum
    b. Aponeurosis d. loose areolar tissue
A

d. loose areolar tissue

42
Q
  1. The following are the structures that bound the carotid triangle, EXCEPT:
    a. Sternocleiodomastoid (anterior border)
    b. Posterior belly of digastric
    c. Inferior omohyoid muscle
    d. Superior fibers of omohyoid
A

c. Inferior omohyoid muscle

Superior dapat

43
Q
  1. Which cranial nerves pass through the internal acoustic meatus?
    a. Facial and abducens nerve
    b. Vestibulocochlear and glossopharyngeal
    c. Abducens and glossopharyngeal
    d. Facial and vestibulocochlear
    e. None of these
A

d. Facial and vestibulocochlear

44
Q
  1. This is the muscle for distaste or disgust?
    a. Corrugator supercilli
    b. Procerus
    c. levator anguli oris
    d. buccinator
A

b. Procerus

45
Q
  1. True about the temporomandibular joint. Except:
    a. It is a diarthrodial joint due to the presence of synovial cavity
    b. The mandible is considered the lower jaw
    c. The gliding part in mandibular depression comes after rotation
    d. Its 2 joints namely the superior and inferior joint are being separated by the intercalated discs
    e. None of these
A

d. Its 2 joints namely the superior and inferior joint are being separated by the intercalated discs

Wala namang intercalated discs

46
Q
  1. Occipital triangle and supraclavicular triangle are located at the posterior triangle. They are separated by the SCM.
    a. Only the first statement is true
    b. Only the 2nd statement is true
    c. Both of the statements are correct
    d. Both are incorrect
A

a. Only the first statement is truea. Only the first statement is true

Omohyoid ms. separates them

47
Q
  1. The following are actions created by the buccinator, except:
    a. Blowing
    b. Whistling
    c. Sucking
    d. All of these
    e. None of these
A

e. None of these

48
Q
  1. Thinnest portion of the lateral skull
    a. Asterion
    b. Inion
    c. nasion
    d. pterion
A

d. pterion

Code: mabilis mag PTER (tear) kapag thin

49
Q
  1. Which cranial bones has no pair?
    a. None of these
    b. Vomer and palatine
    c. Palatine and ethmoid
    d. Maxilla and vomer
    e. Mandible and vomer
A

a. None of these

B: Facial bones sila

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