Bologna CH142 Surgical Anatomy Flashcards

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1
Q

Anterior border of temporalis muscle can be palpated in temporal fossa below the zygomatic bone

A

False above the zygomatic bone

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2
Q

Stensen’s duct travels across the posterior surface of the masseter muscle

A

False anterior

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3
Q

If Stensen’s duct is transacted, a chronic draining fistula will form which requires corrective surgical intervention

A

True

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4
Q

Erb’s point designates the areas where cervical plexus emerges from posterior margin of the SCM muscle

A

True

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5
Q

With ageing, the collagenous tissue becomes increasingly intertwined, diminished in volume and permanently elongated. This causes the accentuation of skin tension lines

A

True

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6
Q

Over time, progressive laxity of the presentation unit can cause functional visual impairment in some patients

A

True

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7
Q

Minimal anatomic distortion of Philtrum avoids a poor cosmetic outcome

A

False, even minimal distortion results in a poor cosmetic outcome

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8
Q

Orbicularis oris muscle is unique in that it has no bony or cartilaginous attachment

A

True

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9
Q

Orbicularis oculi muscle acts on the eyelid and periorbital skin, inserting into medial and lateral canthal tendons

A

True

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10
Q

Nasalis muscle is responsible for bunny lines

A

False, PROCERUS

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11
Q

The most superficial portion of Superficial temporal artery is often visible in younger individuals

A

False- older

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12
Q

Most facial arteries run posterior and parallel with corresponding veins

A

False anterior and Parallel

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13
Q

The veins of the face have valves and cannot permit two way flow of venous blood

A

False they do not , hence can permit two way flow

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14
Q

Facial nerve trunk is in a superficial subcutaneous plane in children as mastoid is not fully formed

A

True

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15
Q

Temporal branch provides motor innervation to frontalis, upper orbicularis oculi and corrugator supercilii

A

True

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16
Q

What is the surgical danger zone of the temporal branch?

A

2 lines delineate zone:
1- from inferior earlobe to lateral edge of eyebrow
2- from Tragus to just above and lateral to highest forehead crease

17
Q

Where is Erb’s point

A

Draw a line connecting angle of mandible to mastoid process, then from midpoint draw 6cm vertical line . Where the lowermost point of the line intersects with the posterior border of the SCM identified Erbs point

18
Q

Where is marginal mandibular branch most susceptible

A

Exits inferior portion of parotid gland then courses over mandible anterior to facial artery, located 1-2cm above inferior border of the mandible

19
Q

Anatomic location of lymph nodes are fairly consistent from patient to patient

A

True

20
Q

There is little variability in drainage pathways regarding metastatic spread

A

False, large variability.

21
Q

Important primary lymphatic drainage patterns of the head and neck region

A

Parotid nodes - often collect from forehead and eyelids (upper lateral face);
Submandibular nodes or submental nodes - from central lower lip and chin
Lateral cervical nodes are the most common subsequent lymph collection site from these areas

22
Q

Parotid nodes are only intraglandular

A

False can be extraglandular