Cranial Nerve Examination Flashcards by Wenbin Guo

Q

What is Bitemporal hemianopia + causes?

A

Tunnel Vision, compression of optic chiasm.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What are Homonymous defects + causes?

A

Same side in both eyes, lesion BEHIND chiasm.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is Scotoma + causes?

A

Blind spots, MS/diabetic maculopathy.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is monocular visual loss + causes?

A

Blindness in one eye, lesion in FRONT of chiasm.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cause of Inferolateral Tilt of eyes?

A

CNIII lesion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cause of double vision, looking downward?

A

CN IV lesion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cause of horizontal double vision?

A

CN VI lesion

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

ALL facial movements abnormal?

A

Lower Motor Neuron Lesion e.g. Bell’s Palsy

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

ONLY lower facial movements affected?

A

Upper Motor Neuron Lesion e.g. Stroke

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

CN X lesion?

A

Uvula deviates AWAT from affected side.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

CN XII lesion?

A

Uvula deviates toward affected side.

How well did you know this?

1

Not at all

2

3

4

5

Perfectly