Week 1 - wet room

Question 1

The most common joint between the bones in the skull is what?

Answer 1

suture - fibrous joint

Question 2

What are the 3 divisions of the skull?

Answer 2

neurocranium
viscerocranium
mandible

Question 3

What are the 3 layers of the skull bone?

Answer 3

2 layers of compact bone with diploe inbetween

Question 4

What part of the skull bone houses the red marrow?

Answer 4

diploe/spongy bone

Question 5

What are the 3 main sutures of the skull called?

Answer 5

sagittal, coronal and lamboid

Question 6

What bone are the mastoid process and styloid process a part of?

Answer 6

temporal

Question 7

What bones is the zygomatic arch made from?

Answer 7

temporal and zygoma

Question 8

Name 2 structures which pass through the foramen magnum?

Answer 8

medulla and meninges

vertebral arteries

Question 9

What are the borders of the scalp?

Answer 9

supraorbital margins, zygomatic arches and superior nuchal lines

Question 10

Name the 5 layers of the scalp

Answer 10

skin 
connective tissue (dense)
aponeurosis of occipitofrontalis muscle 
loose connective tissue 
pericranium

Question 11

Action of contraction of the anterior belly of the occipitofrontalis muscle?

Answer 11

raise eyebrows

Question 12

Behind the ear what is the nerve supply to this region for cutaneous innervation?

Answer 12

C2,3

Question 13

What layer of the scalp has blood vessels present?

Answer 13

top 2

Question 14

Would wounds to scalp bleed sparingly or profusely?

Answer 14

profusely - vasoconstriction is prevented leading to dilated blood vessels and a rich blood supply

Question 15

What is the superficial temporal artery a branch of?

Answer 15

ECA

Question 16

What are valveless diploic veins called?

Answer 16

emissary veins

Question 17

What can occur due to valveless veins in infection?

Answer 17

meningitis

Question 18

What are 2 ways in which facial expression muscles differ to skeletal muscles?

Answer 18

They are superficial

Attach directly to skin or other muscles

Question 19

Name some muscles of facial expression

Answer 19

orbicularis occuli/oris, platysma, occipitofrontalis muscle, buccinator

Question 20

Innervation of facial expression muscles?

Answer 20

facial nerve - cranial nerve 7

Question 21

What foramen does the facial nerve emerge on to the face?

Answer 21

stylomastoid foramen

Question 22

What are some symptoms of bells palsy?

Answer 22

drooping eyelid, cannot close eye
cannot close mouth, droop
difficult to chew food - bite inside of cheek

Question 23

How does the parotid duct enter the oral cavity?

Answer 23

Overlies the masseter and pierce the buccinators and enter opposite the 2nd upper maxillary molar

Question 24

What salivary glands does the facial nerve innervate?

Answer 24

submandibular and sublingual

Question 25

What nerve carries parasympathetic fibres for the parotid gland?

Answer 25

glossopharyngeal

Question 26

Sympathetic innervation to the parotid gland is by what means?

Answer 26

cervical ganglia through the ECA