CNS anatomy and function

Question 1

Which areas of the body have the most brain devoted to controlling them?

Answer 1

• Tongue
• Face
• Hands

Question 2

What is the montreal procedure?

Answer 2

• Electrical stimulation of the brain which can be used to map the motor cortex
• patient can report what happens to them dependant on where is being stimulated

Question 3

What would symptoms of damage to the axillary nerve be?

Answer 3

• Often damaged in falls on the shoulder

Question 4

What nerve is most likely to be damaged in trauma to elbow (medial epicondyle)?

Answer 4

• ulnar

Question 5

What would be the initial diagnostic test when patient has fallen?

Answer 5

X-ray

Question 6

What are the symptoms of axillary nerve damage?

Answer 6

• can’t abduct the arm above 15 degrees

- no sensation over badge area

Question 7

What can be heard in the heart with narrowed vessels?

Answer 7

Turbulent flow as must flow faster as lower diameter

Question 8

What function does Wernicke’s area provide?

Answer 8

comprehension and understanding of spoken word (often symptom of stroke)