Anatomy Relationships

Question 1

What muscle does the omohyoid pass directly behind during its route?

Answer 1

the SCM

Question 2

Is the omohyoid in the posterior or anterior triangle?

Answer 2

posterior

Question 3

What muscle does the lingual artery pierce to enter the mouth?

Answer 3

the hyoglossus

Question 4

What is the action of the sternohyoid?

Answer 4

depresses the hyoid bone

Question 5

What is the action of the omohyoid?

Answer 5

depresses and fixes the hyoid bone

Question 6

Which muscles attach to the manubrium?

Answer 6

the SCM anterior, the sternohyoid middle, and the sternothyroid deep to the other two

Question 7

What muscle does the transverse cervical nerve pass over?

Answer 7

the SCM

Question 8

Is the phrenic nerve deep or superficial to the carotid sheath?

Answer 8

deep

Question 9

What is the pterion?

Answer 9

cranial junction of the greater wing of the sphenoid bone, parietal, temporal, and frontal bones

Question 10

What are the 5 layers of the scalp?

Answer 10

the skin, dense connective tissue layer, aponeurotic layer, loose connective tissue layer and the pericranium (SCALP)

Note that the first three layers are tightly bound together as a single layer

Question 11

What layer of the scalp contains the arteries and veins that supply the scalp?

Answer 11

the dense CT layer

Question 12

The aponeurotic layer of the SCALP provides a point of attachment for what muscle?

Answer 12

the occipitofrontalis muscle (a muscle of facial expression)

Question 13

Innervation of the meningeal layers of the dura mater is by what?

Answer 13

small meningeal branches of the three divisions of the trigeminal nerve and the 1st, 2nd and sometimes 3rd cervical nerves.

Question 14

What layer of the dura do the meningeal arteries run in?

Answer 14

the periosteal layer

Question 15

What arteries is located near the preteen and would be at risk in the event of a epidural hematoma in that region?

Answer 15

the middle meningeal artery

Question 16

What does the middle meningeal artery branch from?

Answer 16

the maxillary artery

Question 17

The circle of willis is formed by what arteries?

Answer 17

the vertebral arteries (which combine to form the basilar artery) and the internal carotid arteries.. and other small ones

Question 18

What artery does the retromandibular vein run with?

Answer 18

the superficial temporal

Question 19

What five branches of the external carotid branch in the carotid triangle?

Answer 19

occipital, facial, lingual, superior thyroid, and asscending pharyngeal

Question 20

What branches does the internal jugular vein receive?

Answer 20

the lingual, facial, and superior and middle thyroid veins

Question 21

Does the external jugular vein drain into the anterior or posterior triangle?

Answer 21

posterior

Question 22

The suprascapular nerve arises from what nerve roots?

Answer 22

C5-C6

Question 23

Which nerve roots contribute to the superior trunk of the brachia plexus?

Answer 23

C5-C6

Question 24

Which nerve roots contribute to the middle trunk of the brachia plexus?

Answer 24

C7

Question 25

Which nerve roots contribute to the inferior trunk of the brachia plexus?

Answer 25

C8-T1

Question 26

Which trunks of the brachia plexus are superior tot he subclavian artery? Inferior?

Answer 26

superior and middle are superior, inferior is inferior