Week 2 - WET + DRY Flashcards

1
Q

What kind of fibres pass through the corpus callosum?

A

Commisural

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2
Q

Label the rostrum, genu, body, splenium of the corpus callosum.

A
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3
Q

What thin sheet seperates the anterior horns of the two lateral ventricles?

A

Septum pellucidum

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4
Q

What is the main function of the hypothalamus?

A

Neuroendocrine role

More specificly :

Hormone production

Regulation of body tempurature

Regulation of behaviour/emotions

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5
Q

Where are the colliculi (a component of the midbrain) in relation to the pineal gland?

A

Inferior

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6
Q

What structures constitute the basal ganglia?

A

Caudate

Putamen

Globus Pallidus

Substantia Nigra

Sub-thalamic Nuclei

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7
Q

The internal capsule is made up of white or grey matter?

A

White matter (myelinated axons)

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8
Q

What is the name given to the fibres that connect the cerebral hemispheres with other parts of the brain?

A

Association

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9
Q

The internal capsule is made up of an anterior limb, genu and a posterior limb. Identify these on a diagram.

A
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10
Q

Which cerebral artery through one of its branches supplies the internal capsule?

A

Middle cerebral

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11
Q

in the midbrain, where would the red nucleus be in relation to the substantia nigra, anterior or posterior to it?

A

Posterior

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12
Q

Identify the part of the midbrain called as the cerebral peduncles. What fibres does it contain?

A

Projection -consist of efferent and afferent fibers uniting the cortex with the lower parts of the brain and with the spinal cord.

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13
Q

What fibres make up the pyramids of the medulla?

A

Motor fibres - corticospinal tract

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14
Q

List the features that can be used to identify the region of spinal cord each section comes from.

A

Cervical - mostly white matter

Thoracic - lateral horns in grey matter

Lumbar - process of elimination

Sacral -mostly grey matter

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15
Q

Which aspect of the spinal cord receives sensory nerve fibres?

A

Dorsal horn

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16
Q

From which aspect of the spinal cord do motor nerve fibres project?

A

Ventral horn

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17
Q

Why does the size of the ventral grey horn vary along the spinal cord (most noticeably in cervical and lumbar regions)?

A
18
Q

What is the name of the hole in the middle of the spinal cord and what does it contain?

A

Central canal - CSF

19
Q

Opening for Olfactory nerve.

A

Cribriform plate of ethmoid bone.

20
Q

Opening for optic nerve.

A

Optic foramen/canal

21
Q

Opening for occulomotor nerve

A

Superior orbital fissure

22
Q

Opening for trochlear nerve

A

Superior orbital fissure

23
Q

Opening for V1

A

Superior orbital fissure

24
Q

Opening for V2

A

Foramen rotundum

25
Q

Opening for V3

A

Foramen ovale

26
Q

Opening for abducens nerve

A

Superior orbital fissure

27
Q

Opening for facial nerve

A

Internal acoustic meatus

28
Q

Opening for vestibulocochlear nerve

A

Internal acoustic meatus

29
Q

Opening for glossopharyngeal nerve

A

Jugular foramen

30
Q

Opening for vagus nerve

A

Jugular foramen

31
Q

Opening for accessory nerve

A

Jugular foramen

32
Q

Opening for hypoglossal nerve

A

Hypoglossal canal

33
Q

Which of the cranial nerves have a parasympathetic component?

A

III, VII, IX, X

34
Q

Which cranial nerve(s) are attached directly to the brain?

A

I, II

35
Q

Which cranial nerve(s) are attached directly to the midbrain?

A

III, IV

36
Q

Which is the only cranial nerve to arise from the posterior aspect of the brain?

A

IV

37
Q

Which cranial nerve(s) are attached directly to the pons?

A

V

38
Q

Which cranial nerve(s) are attached directly to the pontomedullary junction?

A

VI, VII, VIII

39
Q

Which cranial nerve(s) are attached directly to the medulla?

A

IX, X, XI, XII

40
Q

Which cranial nerve can be tested by the pupillary light reflex?

A

II, III

41
Q

Which cranial nerve can be tested by touch over the surface of the cheek?

A

V2

42
Q

What cranial nerve would you be testing if you asked the patient to stick their tongue out?

A

XII