Scalp and the Face Flashcards

1
Q

Where does the scalp extend from?

A

Extends from the superior nuchal line on the posterior aspect of the skull to the supraorbital margins

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2
Q

What are the 5 layers of the scalp?

A
  • Skin
  • Connective tissue
  • Aponeurosis
  • Loose areolar connective tissue
  • Pericranium
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3
Q

In what layer of the scalp are the emissary veins found?

A

Connective tissue layer

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4
Q

In what layer of the scalp are the diploic veins found?

A

Pericranium

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5
Q

What muscles are connected by the epicranial aponeurosis?

A
  • Occipitalis

- Frontalis

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6
Q

What layer allows free movement of the scalp?

A

Loose areolar connective tissue

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7
Q

How is the pericranium firmly attached to the bones?

A

By connective tissue fibres called Sharpney’s fibres

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8
Q

What nerves supplies the occipitofrontalis muscle?

A

Facial nerve

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9
Q

Where do the supraorbital and suprtrochlear nerves come from?

A

V1

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10
Q

Where does the zygomaticotemporal nerve come from?

A

V2

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11
Q

Where does the lesser occipital nerve come from?

A

Cervical plexus

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12
Q

Where does the auriculotemporal nerve come from?

A

V3

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13
Q

Where does the greater occipital nerve come from?

A

Post primary rami

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14
Q

Where do the supraorbital and supratrocheal arteries come from?

A

Ophthalmic artery

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15
Q

Where do the superficial temporal, post auricular and occipital arteries come from?

A

External carotid artery

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16
Q

Where do the supraorbital and supratrochlear drain into?

A

Facial vein

17
Q

Why does the scalp bleed profusely even with small lacerations?

A

It has a rich blood supply

18
Q

What type of wound occurs if the aponeurosis is divided?

A

Gaping wounds

19
Q

What do emissary veins not have?

A

Valves

20
Q

How can infection be transmitted from the scalp to the cranial cavity?

A

Emissary veins

21
Q

What are the arteries of the face?

A
  • Facial artery
  • Superficial temporal artery
  • Transverse facial artery
  • Supratrochlear
  • Supraorbital
22
Q

What are the veins of the face?

A
  • Facial
  • Superficial temporal
  • Retromandibular
  • Supratrochlear
  • Supraorbital
23
Q

Where do the muscles of facial expression lie?

A

In the subcutaneous tissue and are attached to the skin of the face

24
Q

What do the muscles of facial expression enabled us to do?

A

Move our skin and change ur facial expression

25
Q

How do the muscles of facial expression produce their effects?

A

By pulling on the skin but do not move the facial skeleton

26
Q

What do the muscles of facial expression surround?

A

Facial orifices and therefore act as sphincters and dilators

27
Q

What do all facial muscles receive their innervation from?

A

Branches of the facial nerve

28
Q

What is the sphincter muscle of the mouth?

A

Orbicularis oris

29
Q

What are the muscles that elevate the upper lip?

A
  • Zygomaticus minor
  • Levator labii superioris
  • Nasalis
  • Zygomaticus major
30
Q

What are the muscles that depress the lips?

A
  • Depressor labii inferioris
  • Platysma
  • Depressor anguli oris
  • Mentalis
31
Q

What muscles retract the angle of the mouth?

A
  • Zygomaticus major
  • Depressor anguli oris
  • Risorius
  • Platysma
32
Q

What muscles are attached to the nose?

A
  • Nasalis
  • Levator labii
  • Superior alaeque nasi
  • Levator labii superioris
  • Zygomaticus minor
  • Procerus
33
Q

What muscles are found around the orbit and ear?

A
  • Orbicularis oculi
  • Depressor supercilli
  • Corrugator supercilli
  • Temporoparietalis
  • Procerus
  • Occipito frontalis
34
Q

How many distinct complex emotions are common to humanity?

A

21

35
Q

What is among the most universal forms of body language?

A

Facial expressions

36
Q

What are the 9 emotions that can be modified?

A
  • Happy
  • Sad
  • Fearful
  • Angry
  • Surprised
  • Disgusted
  • Appalled
  • Hatred
  • Awe