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Gross 2 Exam 1 > Superficial Structures of the Neck > Flashcards

Superficial Structures of the Neck Flashcards

1
Q 
What is the innervation of the platysma?
A. Facial Nerve
B. Accessory Nerve
C. Occipital Nerve
D. Platysma Nerve
A

A. Facial Nerve

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2
Q

What is the function of the platysma?

A

Depresses mandible and draws down corner of mouth

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3
Q 
What is the innervation of the Sternocleidomastoid?
A. Occipital Nerve
B. Accessory Nerve
C. Maxillary Nerve
D. Facial Nerve
A

B. Accessory Nerve

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4
Q

What is the function of the sternocleidomastoid?

A

chief flexor of the head

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5
Q

What are the 3 types of Torticollis?

A

Congenital
Muscular
Spasmodic

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6
Q

What is congenital torticollis?

A

fibrous tissue build up (tumor) at or shortly after birth

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7
Q

What is muscular torticollis?

A

due to birth injury

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8
Q

What is spasmodic torticollis?

A

occurs in adults due to abnormal tonicity

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9
Q

What is the most common torticollis and can be treated by chiropractors?

A

Spasmodic Torticollis

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10
Q

What is the innervation of the Trapezius?

A

Accessory Nerve and C3 and C4

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11
Q

What is the function of the Trapezius?

A

upper portion elevates
middle portion retracts
lower portion depresses the scapula

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12
Q

What does the external jugular vein drain?

A

face and scalp

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13
Q

What two veins connect to make the external jugular vein?

A

Retromandibular and posterior auricular vein

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14
Q

What does the external jugular vein drain into?

A

subclavian vein

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15
Q 
Which of the following is not a tributary of the external jugular vein?
A. Retromandibular vein
B. Posterior Auricular Vein
C. Posterior External Jugular vein
D. Anterior Jugular Vein
E. Transverse Cervical Vein
F. Lateral Cervical Vein
G. Suprascapular Vein
A

F. Lateral Cervical Vein

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16
Q

Who is most prone to having Prominent External Jugular Vein?

A

opera singers and bagpipe players

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17
Q 
What two conditions can cause prominent external jugular vein?
A. Congestive Heart Failure
B. Obstruction of superior vena cava
C. Stroke
D. Heart Attack
A

A and B

Congestive Heart Failure and Obstruction to superior vena cava

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18
Q 
Which of the following borders are not associated with the posterior triangle?
A. Anterior 
B. Posterior 
C. Superior
D. Inferior
A

C. Superior Border

19
Q

What makes the anterior border of the posterior triangle?

A

posterior border of sternocleidomastoid

20
Q

What makes the posterior border of the posterior triangle?

A

anterior border of trapezius

21
Q

What makes the inferior border of the posterior triangle?

A

superior border of middle third of clavicle

22
Q 
Which of the following borders are not associated with the anterior triangle?
A. Superior
B. Anterior
C. Posterior
D. Lateral
A

D. Lateral

23
Q

What makes the superior border of the anterior triangle?

A

inferior border of mandible

24
Q

What makes the anterior border of the anterior triangle?

A

anterior midline

25
Q

What makes the posterior border of the anterior triangle?

A

anterior border of sternocleidomastoid

26
Q 
Which of the following is not a subdivision of the anterior triangle?
A. submental triangle
B. submandibular triangle
C. Carotid triangle
D. subcostal triangle
E. muscular triangle
A

D. subcostal triangle

27
Q

What are the boundaries of the submental triangle?

A

left and right anterior bellies of digastric and body of hyoid bone

28
Q

What is the floor of the submental triangle?

A

mylohyoid muscle

29
Q

What are the boundaries of the submandibular triangle?

A

inferior border of mandible
anterior belly of digastric
posterior belly of digastric

30
Q

What is the floor of the submandibular triangle?

A

mylohyoid and hyoglossus muscle

31
Q 
Which of the following is not located inside the sudmandibular triangle?
A. submandibular gland
B. Internal Carotid Artery
C. Facial artery
D. Internal jugular
E. glossopharyngeal Nerve
F. External Carotid Artery
G. Vagus Nerve
A

F. External Carotid Artery

32
Q

What are the boundaries of the Carotid Triangle?

A

posterior belly of digastric
superior belly of omohyoid
anterior border of sternocleidomastoid

33
Q 
Which of the following is not located inside the carotid triangle?
A. External Carotid Artery
B. Superior Thyroid Artery
C. Lingual Artery
D. Glossopharyngeal Artery
E. Facial Artery
A

D. Glossopharyngeal Artery

34
Q

What are the boundaries of the Muscular Triangle?

A

superior belly of omohyoid
anterior midline of neck
anterior border of sternocleidomastoid

35
Q 
Which of the following is not located inside the Muscular Triangle?
A. Omohyoid
B. Sternohyoid
C. Sternothyroid
D. thyroid gland
E. Trachea and Esophagus
A

A. Omohyoid

36
Q

T/F Does the hyoid bone articulate with the mandible?

A

False it does not articulate with any other bone

37
Q 
Which of the following is not a Infrahyoid Muscle?
A. Omohyoid
B. Sternohyoid
C. Omothyroid
D. Sternothyroid
E. Thyrohyoid
A

C. Omothyroid

38
Q 
Which 2 muscles are superficial?
A. Omohyoid
B. Sternohyoid
C. Sternothyroid
D. Thyrohyoid
A

A and B

Sternothyroid and Thyrohyoid are deep

39
Q 
Which of the following Infrahyoid Muscles is not innervated by the ansa cervicalis?
A. Omohyoid
B. Sternohyoid
C. Thyrohyoid
D. Sternothyroid
A

C. Thyrohyoid

40
Q

What is the function of the omohyoid and sternohyoid muscles?

A

Depress hyoid bone and larynx

41
Q

What is the function of the sternothyroid?

A

depress larynx

42
Q

What is the function of the Thyrohyoid?

A

Depress the hyoid bone

43
Q

What are the 4 reasons the Infrahyoid muscles depress the hyoid bone and larynx?

A
  1. swallowing
  2. speech
  3. respiration
  4. hyoid is fixed, digastric depresses the mandible

Gross 2 Exam 1 (9 decks)

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