EXAM 5: Head and Neck Flashcards

1
Q

What forms the skull

A

Cranial and facial bones

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2
Q

What are paired vs. unpairs bones?

A

Paired: Have 2 of them
Unpaired: Have 1 of them

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3
Q

What are the skull functions of the cranial bones

A
  • Protect the brain
  • Attachment point for myos
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4
Q

What are the skull functions of the facial bones

A
  • Attachment point for myos
  • Form the face
  • Openings for special senses (eye and mouth)
  • Provide openings for air/food (nose, mouth)
  • Secures teeth
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5
Q

Frontal Bone:

A
  • Unpaired
  • Location: Anterior
  • Special: helps to form orbit
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6
Q

what is the orbit

A

Eyesocket

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7
Q

Temporal Bone:

A
  • Paired
  • Location: lateral
  • Special: part of zygomatic arch (cheekbone); part of temporomandibular joint
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8
Q

Occipital Bone:

A
  • Unpaired
  • Location: Posterior; base
  • Special: has foramen magnum
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9
Q

Parietal bone:

A
  • Paired
  • Location: Superior; lateral
  • Special: N/A
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10
Q

Ethmoid Bone

A
  • Unpaired
  • Location: Deep
  • Special: Helps form orbit, nasal conchae, and nasal septum
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11
Q

Sphenoid Bone:

A
  • Unpaired
  • Location: Deep
  • Special: Helps form orbit; Articulates with all other cranial bones
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12
Q

What are the cranial bones

A
  1. Frontal
  2. Temporal
  3. Occipital
  4. Parietal
  5. Ethmoid
  6. Sphenoid
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13
Q

What are the cranial sutures

A
  1. Sagittal
  2. Lambdoidal
  3. Coronal
  4. Squamosal
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14
Q

What does the sagittal suture connect?

A

2 parietal bones

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15
Q

What does the lambdoidal suture connect?

A

occipital and parietal bones

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16
Q

What does the coronal suture connect?

A

frontal and parietals

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17
Q

What does the squamosal suture connect?

A

connects the temporal and parietals
- have 2 (one on each side)

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18
Q

What type of joint are sutures

A
  • Fibrous joint
  • Synarthrotic joints
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19
Q

What are sutures

A

joint that connects bones in the skull

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20
Q

What are the facial bones

A
  1. Manidble
  2. Maxillary
  3. Zygomatic
  4. Palatine
  5. Nasal
  6. Lacrimal
  7. Vomer
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21
Q

Manidble

A
  • Unpaired
  • Location: Jawbone
  • Special: part of temporomandibular joint
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22
Q

Maxillary

A
  • Paired
  • Location: Central
  • Special: Articulated with other facial bones but not the mandible; part of hard palate: anterior
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23
Q

Zygomatic

A
  • Paired
  • Location: Cheekbone
  • Special: Part of zygomatic arch and orbit
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24
Q

Palatine

A
  • Paired
  • Location: Oral Cavity
  • Special: Hard palate: Posterior
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25
Q

Nasal

A
  • Paired
  • Location: Bridge of nose
  • Special: N/A
26
Q

Lacrimal

A
  • Paired
  • Location: Medial orbit
  • Special: Part of orbit; contains lacrimal fossa
27
Q

Vomer

A
  • Unpaired
  • Location: Nasal cavity
  • Special: helps form nasal septum
28
Q

What bones make up the Hard palate?

A

Maxillary: Anterior portion
Palatine: Posterior portion

29
Q

What are the bones of the orbit

A
  • Lacrimal: Medial
  • Zygomatic: Lateral and Inferior
  • Sphenoid: Posterior
  • Ethmoid: Posterior and medial
  • Frontal: Superior
  • Maxillary: Medial
30
Q

What bones make up the zygomatic arch

A

Temporal and Zygomatic

31
Q

What bones form the oral cavity

A
  • Palatine: Posterior and Superior
  • Maxillary: Anterior and Superior
  • Mandible: Inferior
32
Q

What are the meninges of the brain from superficial to deep

A

Skull
Epidural space
Dura mater
Subdural space
Arachnoid mater
Subarachnoid space
Pia mater
Brain

33
Q

How is Cerebrospinal fluid produced?

A

Produced by cells in ventricles of brain

34
Q

How is Cerebrospinal fluid located?

A
  • Subarachnoid space
  • In ventricles
35
Q

What are Cerebrospinal fluid functions?

A
  • Buoyancy
  • Provide nutrients
  • Shock absorber
36
Q

What are the four main regions of the brain?

A
  • Cerebrum
  • Cerebellum
  • Diencephalon
  • Brainstem
37
Q

What are gyn/gyrus?

A

Folds of the brain

38
Q

What are sulci/sulcus?

A

Spaces between the brain

39
Q

Cerebrum

A
  • 2 large hemispheres (Left and right)
  • Origins of complex thought, intellectual factors
40
Q

Temporal Lobe

A
  • Interpretation of sound and smell
  • Memory of sound and smell
  • Memory
  • Understanding speech
40
Q

What are the lobes of the cerebrum?

A
  1. Frontal Lobe
  2. Parietal Lobe
  3. Occipital Lobe
  4. Temporal Lobe
  5. Insular Lobe
41
Q

Frontal Lobe

A
  • Planning
  • Personality
  • Talking: Speech
  • Concentration
  • Decision making
  • Control of skeletal myo
42
Q

Parietal Lobe

A
  • Interpretation of textures and shapes
  • Understanding speech
  • Formulating words (knowing what words to use)
43
Q

Occipital Lobe

A
  • Interpretation of sight
  • Vision
43
Q

Insula

A
  • Interpretation og taste
  • Memory
44
Q

Diencephalon

A
  • In b/w brain
  • Relay center for sensory and motor pathway
  • Controls visceral activities
  • body temp
  • sleep/wake cycles
  • Autonomic nervous system
45
Q

What are the parts of the brain stem

A
  1. Mesencephalon (midbrain)
  2. Pons
  3. Medulla
46
Q

Brainstem

A
  • Passageway for sensory and motor nerves (b/w spinal cord and cerebrum)
  • Controls breathing rate (heart rate)
  • Cranial nerves attach nerve (brainstem)
47
Q

Cerebellum

A
  • Fine tune skeletal myo
  • Smooth coordinated movements
  • Balanced: stand not fall over
  • Sensory information about body location (Proprioception)
48
Q

Cranial Nerves Info

A
  • Attached inferior surface of brain
  • Control somatic sensory to brain; somatic motor away from brain
    -Visceral motor: Parasympathetic
  • 12 pairs of cranial nerves: 1 for each side of body
49
Q

Circle of willis

A
  • Posterior cerebral–> Anterior cerebral
  • Anastomosis in the brain
50
Q

What are the movements of the eye?

A
  • Superior
  • Superio-medially
  • Medially
  • Infero-medially
  • Inferior
  • Infero-laterally
  • Laterally
  • Superio-laterally
51
Q

What are the muscles of the eye

A

Superior Rectus
Inferior oblique
lateral rectus
superior oblique
inferior rectus
medial rectus

52
Q

What is the innervation of facial expression muscle group

A

VII: Facial Nerve

53
Q

What is the innervation of myos of mastication muscle group

A

V: Trigeminal

54
Q

What is the innervation of tongue movement muscle group

A

XII: Hypoglossal

55
Q

How is the tongue split

A

Split into thirds
Posterior 1/3
Anterior 2/3

56
Q

What is sensation of tongue

A

knowing something is touching it

57
Q
A
58
Q
A