10 - Fractures and Blood Supply to Scalp

Question 1

a fracture in which the skin is also broken is known as what?

Answer 1

compound fracture

Question 2

what are the 4 different types of skull fracture?

Answer 2

• linear
• diastatic
• depressed
• basilar

Question 3

what is a linear fracture?

Answer 3

impacted area bends inwards and causes the area around it to bend outwards

Question 4

what is the most common type of fracture?

Answer 4

linear fracture

Question 5

what is a diastatic fracture?

Answer 5

fracture line transverses one or moresutures of the skull, causing a widening of the suture

Question 6

what is a depressed fracture?

Answer 6

broken bones are displaced inwards

Question 7

what fracture carries a high risk of increasing ICP? what is required to reduce this risk?

Answer 7

• depressed fracture
• surgery required to lift pieces of bone off the brain

Question 8

what is a basilar fracture?

Answer 8

breaks in bones at the base of the skull

Question 9

what are two characteristic signs of a basilar fracture?

Answer 9

• blood in sinuses
• CSF leaking from nose or ears

Question 10

what is dense hemiparesis

Answer 10

weakness or the inability to move on one side of the body

Question 11

Label the arterial supply of the scalp

Answer 11

Question 12

label the layers of the scalp

Answer 12

Question 13

what is the main arterial supply to the scalp?

Answer 13

external carotid and opthalmic

Question 14

what area of the scalp does the superficial temporal artery supply?

Answer 14

frontal and temporal

Question 15

what area of the scalp does the posterior auricular artery supply?

Answer 15

superior and posterior auricle

Question 16

what area of the scalp does the occipital artery supply?

Answer 16

back of scalp

Question 17

what is the superficial venous drainage of the scalp?

Answer 17

follows arterial supply

Question 18

the deep temporal region of the scalp is drained by what?

Answer 18

pterygoid venous plexus