AFL 5 Flashcards

1
Q

A patient arrives at A&E with a deep laceration above the left eyebrow that appears to have penetrated the skull. Which lobe of the brain is likely to be damaged?

A

Left frontal

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2
Q

A subdural haematoma is an acculumation of blood between the dura and:

A

arachnoid

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3
Q

An extradural haematoma is an acculumation of blood between the dura and:

A

skull

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4
Q

Arachnoid graulations are located between the _____ ______ and the _____ ______.

A

Periosteal dura; meningeal dura

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5
Q

Folds in the cortex are called ______; the spaces between these are called ______?

A

gyri and sulci

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6
Q

In the prosection illustrated below, vascular occlusion at the point indicated by the red pin would result in a lack of blood flow to which one of the following regions?

A

This is the posterior cerebral artery which supplies the medial occipital lobe of the cerebrum

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7
Q

In the prosection illustrated, vascular occlusion at the point indicated by the yellow pin would result in what change to blood flow to the cerebral hemisphere?

A

No change in the blood flow to the cerebral hemisphere

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8
Q

Massive cellular division and differentiation at the rostral end of the neural tubes leads to development of the:

A

Cerebral hemispheres

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9
Q

The forebrain is also known as the

A

prosencephalon

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10
Q

The forebrain is comprised of which regions of the brain?

A

cerebral hemispheres and diencephalon

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11
Q

The picture shows a dissection of the lateral aspect of the face. What nerve is indcated by the blue pin? What does it supply?

A

Buccal branch of the facial nerve - supplies motor innervation to buccinator

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12
Q

The picture shows a dissection of the mandibular region. Identify the corner of the mouth to orientate yourself.

Identify the structure indicated by the red pin.

A

Submandibular gland

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13
Q

The picture shows a dissection of the mandibular region. Identify the corner of the mouth to orientate yourself.

What is the vessel indicated by the blue pin?

A

Facial artery - crosses the mandible just anterior to the masseter muscle.

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14
Q

At the level of the pons, the cerebrospinal fluid enters the subarachnoid space via the:

A

Lateral apertures (of Luschka)

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15
Q

Damage to which lobe of the brain would cause an interruption of flow through the inferior horn of the lateral ventircle?

A

temporal

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16
Q

What is the channel indicated by the blue pin?

A

links one lateral ventricle to the third ventricle –> foramen of Monro.

17
Q

The embryologic central canal forms which chamber of the ventricular system at the level of the medulla and pons?

A

IVth ventricle

18
Q

The inferior horn of the ventricular system is located in which lobe of the brain?

A

Temporal

19
Q

This image shows a slice in which plane of section?

A

Sagittal

20
Q

Which secondary brain vesicle includes the pons and cerebellum?

A

Metencephalon

21
Q

Congenital narrowing (stenosis) of the cerebral aqueduct leads to expansion of:

A

both lateral ventricles and the third ventricle

22
Q

The superior temporal gyrus on the lateral surface of the temporal lobe is supplied with blood by the

A

middle cerebral artery