Neuroscience and mental health 11-ordered

Question 1

• Explain the scenarios where The membrane potential of the post synaptic neurone can be altered in two directions by inputs

Answer 1

pg 1 (2)

Question 2

What is a miniature end plate potential (mEPP), describe what leads to them

Answer 2

pg 1 (2)

Question 3

Describe what alpha motor neurones are(their function), describe the difference between extrafusal and intrafusal skeletal muscles. Describe the role of muscle spindles . Describe what the motor neurone pool is

Answer 3

pg 1 (2)

Question 4

Describe the arrangement of alpha motor neurones (2)

Answer 4

pg 2

Question 5

Explain what a motor unit, describe an exception to the rule of defining what a motor unit is. Explain the cases where you would have a big motor unit and where you would have a small motor unit

Answer 5

pg 2 (3)

Question 6

Describe the features different types of motor units and the types of neurones that supply them

Answer 6

pg 3 (3)

Question 7

Explain the two ways of regulating muscle force

Answer 7

pg 4 (3)

Question 8

Describe what neurotrophic factors are and explain what they do

Answer 8

pg 6 (2)

Question 9

Explain experimental evidence for the action of neurotrophic factors

Answer 9

pg 6 (2)

Question 10

Describe the different cases for when the different types of motor units can become changed naturally

Answer 10

pg 6 (2)

Question 11

Describe the organisation and general function of the motor tracts in the spinal cord

Answer 11

pg 7 (2)

Question 12

Describe what a reflex is, what are reflexes important for, what determines the magnitude and timing of a reflex, describe how reflexes are used to test neurological function

Answer 12

pg 8 (5)

Question 13

Reflexes differ from voluntary movements in that once they are released, they can’t be stopped(T/F)

Question 14

Describe an experimental set up to check the number of synapse involved in a reflex arc in the knee and other relevant detail.

Answer 14

pg 9 (6)

Question 15

Explain what happens in a knee jerk reflex

Answer 15

pg 10 (3)

Question 16

Explain what happens in a Hoffman reflex, explain why it is a preferred to the knee jerk reflex using a tendon hammer. Explain how It is used.

Answer 16

pg 11 (6)

Question 17

Explain how the Flexion Withdrawal and Crossed Extensor reflex takes place and what it is used for

Answer 17

pg 12 (3)

Question 18

Give the details of all the supraspinal control of reflex that you should know about(answer on presentation

Answer 18

pg 12(10)

Question 19

Strokes are an example of UPPER MOTOR NEURONE LESIONS(T/F)** **Describe the signs of a stroke.

Answer 19

pg 14(2)

Question 20

What is hypo-reflexia and what is it mostly associated with

Answer 20

pg 14(1)