Question 7) A ____________________ consists of fibers innervated by a single alp

Question

Question 7) A ____________________ consists of fibers innervated by a single alpha neuron.

Motor Unit Extrafusal collection Muscle Ganglia

QUESTION 8 Lesions to the pyramidal motor tract would produce difficulty in moving effectors on which side of the body?

a. both the contralateral and ipsilateral sides b. neither side: the pyramidal neurons do not innervate effector muscles

c. the ipsilateral side

d. the contralateral side

Question 9) When a voluntary movement such as contracting one’s right biceps is generated, what other signals, if any, must accompany this command?

a. No other signal is necessary.

b. A signal to antagonist muscles, such as the right triceps, to relax.

c. A signal to antagonist muscles, such as the left biceps, to relax.

d. A signal to antagonist muscles, such as the right triceps, to flex simultaneously.

Question 10)The concept of endpoint control refers to the observation that voluntary muscle events

a. require sensory feedback that arrives after an effector has been moved to its desired location.

b. are programmed to result in the displacement of an effector based on its desired final location.

c. are programmed to result in the displacement of an effector based on the desired distance from its starting point.

D.require sensory feedback from an effector that arrives during the entire course of its movement.

Question 11)

This tract controls distal muscles.

Lateral corticospinal tract

Anterior corticospinal tract

Rubrospinal Tract

Tectospinal Tract

Queston 12)

Hyperkinesia is to _______ as hypokinesia is to _______.

Huntington’s disease ; Parkinson’s disease

Parkinson’s disease ; Huntington’s disease

apraxia ; hemiballism

hemiballism ; apraxia

Question 12)

Which of the following is NOT a part of the basal ganglia?

the putamen

the claustrum

the caudate

the globus pallidus

Question 14)

This region of the brain is involved in planning , control, and execution of voluntary movement?

Supplementary Motor Cortex

Primary Motor Cortex

Basal Ganglia

Executive Cortex

Question 15)

A patient has damage to the basal ganglia, particularly within the striatum, and demonstrates both chorea and hyperkinesia. What is your diagnosis?

Parkinson’s disease

hypermetria

Huntington’s disease

bradykinesia

D.require sensory feedback from an effector that arrives during the entire course of its movement.

Explanation / Answer

?

Question 7) A ____________________ consists of fibers innervated by a single alpha neuron.Motor Unit Extrafusal collection Muscle Ganglia

Answer7) Motor unit

Question 8 ) lesion to the pyramidal motor tract would produce difficulty in moving effectors on which side of the body

Answer 8) (d) the contralateral side

Question 9 ) When a voluntary movement such as contracting one’s right biceps in generated what other signals if any must accompany this command

Answer 9 ) (b) A signal to antagonist muscles such as the the right triceps to relax

Question 10 ) The concept of endpoint control refers to the observation that voluntary muscles event

Answer 10 ) (c) are programme to result in the displacement of an effector based on the desired distance from its starting point

Question 11 ) This Tract control distal muscles

Answer 11 ) Lateral coticospinal tract

Question 12) hyperkinesia is to _______ as hypokinesia is to ________

Answer 12 ) (a) Huntington’s diseases ; parkinson’s Disease

Question 12) which of the following is not a part of basal ganglia ?

Answer 12 ) (b) the claustrum

Question 14 ) the region of the brain is involved in planning control and execution of voluntary movement ?

Answer 14) primary motor cortex

Question 15 ) A patient has damage to the basal ganglia particularly within the striatum ans demonstrates both chorea and hyperkinesia what is your diagnosis?

Answer 15) (c) Huntington’s diseases

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