Scalp, Cranial Cavity, Meninges & Brain

Question 1

What type of hemorrhage is described when blood accumulates between the dura and the cranial bone after a skull fracture?

Answer 1

Epidural

Question 2

In cases of hydrocephalus, a blockage in the ventricular system between the third and fourth ventricles is associated with which structure?

Answer 2

Cerebral aqueduct

Question 3

The presence of blood in cerebrospinal fluid from a spinal tap after a closed head injury indicates arterial bleeding into which space?

Answer 3

Subarachnoid space

Question 4

From which space is cerebrospinal fluid taken if there is a diagnosis of torn cerebral veins passing to the superior sagittal sinus?

Answer 4

Subarachnoid space

Question 5

Blockage of cerebrospinal fluid flow within the cerebral aqueduct would lead to enlargement of all ventricular spaces except which one?

Answer 5

Fourth ventricle

Question 6

Which vessel is likely involved when an 84-year-old woman suffers a stroke with right-side paralysis due to intracerebral hemorrhage?

Answer 6

Middle cerebral artery

Question 7

What is the most likely source of blood in a patient with an epidural hemorrhage?

Answer 7

Middle meningeal artery

Question 8

In a severe neck injury at the C6 level, which artery is endangered due to a fractured transverse process?

Answer 8

Vertebral

Question 9

During childbirth, tearing of the anterior attachment of the falx cerebri may cause bleeding from which venous sinus?

Answer 9

Straight sinus

Question 10

The inferior sagittal sinus is located in the free edge of which structure?

Answer 10

Falx cerebri

Question 11

Which cranial nerve might be affected by an acoustic neuroma at the VIIIth cranial nerve’s entry point into the temporal bone?

Answer 11

Facial

Question 12

In assessing neurological deficits in a patient with cavernous sinus thrombosis, which cranial nerve is NOT related to the sinus?

Answer 12

Facial (CN VII)

Question 13

Which cranial nerve could be affected in a person with cavernous sinus thrombosis due to its relationship to the sinus?

Answer 13

Abducens

Question 14

Infections can spread from the nasal cavity to the meninges along the olfactory nerves via which structure?

Answer 14

Cribriform plate of the ethmoid

Question 15

What is recognized as the ‘danger zone’ of the scalp?

Answer 15

Loose connective tissue

Question 16

An infection in which scalp layer is likely to spread most readily?

Answer 16

Loose areolar tissue

Question 17

What scalp layer was likely involved in a case of meningitis and superior sagittal sinus thrombosis after a scalp laceration?

Answer 17

Areolar tissue

Question 18

The glossopharyngeal nerve exits the skull via what opening?

Answer 18

Jugular foramen

Question 19

Which nerve does NOT exit the cranial cavity through openings in the middle cranial fossa?

Answer 19

Facial