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NS Exam 1 > Scalp and Superficial Face > Flashcards

Scalp and Superficial Face Flashcards

1
Q

What are the five layers of the scalp?

A

Skin

Connective tissue

Aponeurosis

Loose connective tissue

Pericranium

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2
Q

What is the most vascularized layer of the scalp?

A

Connective tissue

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3
Q

What layer of the scalp can become a potential space for infection?

A

Loose connective tissue

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4
Q

What direction does the neurovasculature of the scalp travel?

A

Inferior to superior

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5
Q

What layer of the scalp must be cut through to cause a gaping wound?

A

Aponeurosis - provides attachment for muscles which can pull back and cause a gaping wound

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6
Q

What layers of the scalp form the scalp proper?

A

Skin

Connective tissue (dense)

Aponeurosis

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7
Q

Why would a patient with mumps have pain in the cheek?

A

Parotid gland is swelling and is constricted by parotid fascia and cannot expand

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8
Q

What are the 3 major vessels passing through the Parotid gland?

A

Facial N. (does not innervate gland)

Retromandibular V.

External Carotid A.

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9
Q

What part of the orbicularis oculi closes the eye tightly?

A

Orbital part

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10
Q

What part of the orbicularis oculi gently closes the ey?

A

Palpebral part

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11
Q

What are the branches of Facial N. providing motor innervation?

A

A - Posterior Auricular N.

Tiny - Temporal N.

Zebra - Zygomatic N.

Bit - Buccal N.

My - Mandibular N.

Cheek - Cervical N.

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12
Q

What branch of Facial N. provides sensory information to the anterior 2/3 of the tongue?

A

V3 - Chorda Tympani

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13
Q

What branch of Facial N. transmits parasympathetic fibers to the lacrimal gland?

A

Greater petrosal N.

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14
Q

What branch of Facial N. carries parasympathetic fibers to the submandibular and sublingual salivary glands?

A

Chorda Tympani

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15
Q

If CN VII was damaged proximal to the Stapedius N., what sx would be seen?

A

Hyperacoustic in the ipsilateral ear (loud)

Ipsilateral Bell’s palsy and loss of submandibular and sublingual gland production

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16
Q

What is the sensory innervation of the bridge of the nose?

A

Opthalmic V1

17
Q

What is the sensory innervation of the sides of the nose?

A

Maxillary V2

18
Q

What is the sensory innervation of the upper eyelid?

A

Opthalmic V1

19
Q

What is the sensory innervation of the lower eyelid?

A

Maxillary V2

20
Q

What is the sensory innervation of the cornea?

A

Opthalmic V1

21
Q

What provides motor innervation to the Buccinator M.? What provides sensory innervation?

A

Motor: Buccal branch of Facial N. CN VII

Sensory: Buccal branch of Trigeminal N. CN V3

22
Q

What provides motor innervation to Parotid gland? Sensory innervation?

A

Motor: parasympathetic fibers traveling with Glossopharyngeal N. CN IX

Sensory: Auriculotemporal N. and Great Auricular N.

23
Q

What provides cutaneous sensation to the angle of the mandible?

A

Cervical plexus

24
Q

What provides motor innervation to the muscles of mastication?

A

Mandibular V3

25
Q

What do the Supratrochlear and Supraorbital Ns. arise from? What do they innervate?

A

Ophthalmic V1

Sensory innervation to eyelid, forehead, scalp, and vertex

26
Q

What are the branches of the Maxillary N.?

A

Infraorbital N.

Zygomaticofacial N.

Zygomaticotemporal. N.

27
Q

What are the branches of the Mandibular N.?

A

Auriculotemporal N.

Buccal N.

Mental N.

28
Q

Where does Herpes Zoster normally lie dormant?

A

Sensory root ganglia/dorsal root ganglia

29
Q

A 50 y/o patient presents with a rash to her forehead and bridge of her nose. She has a history of chicken pox as a child. What nerve has the virus taken the distribution of? Specifically what division?

A

Trigeminal N V1 (opthalmic)

30
Q

What is the anastamosis between ICA and ECA on the forehead?

A

Superficial Temporal A. (Frontal branch) (ECA)

Supraorbital A. (ICA)

31
Q

What two arteries anastamose around the eyes?

A

Supratrochlear A. (ICA)

Angular A. of Facial A. (ECA)

32
Q

What do the Mastoid LNs drain?

A

Posterior lateral sides of the head (posterior to ear)

33
Q

What do the Parotid LNs drain?

A

Forehead, lateral face, eyes

34
Q

What do the submandibular LNs drain?

A

Top lip and lateral lower lips

35
Q

What do the Submental LNs drain?

A

Central lower lip

Chin

36
Q
A

NS Exam 1 (18 decks)

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