Flashcards in Clinical questions; motor control systems/lesions Deck (16)
What are the three motor control systems?
On examination a patient has; a drifting of one limb downwards and medially when the hands are supposed to be outstretched. The forearm is also pronated. In which motor control system does this patient have a problem?
Weakness, spasticity and changes in superficial reflexes are due to problems in which motor control system?
Would problems in the upper motor neurones causes weakness in muscle groups or individual muscles?
If there is an upper motor neurone problem; will there more obviously be weakness in the extensors or flexors of the arm?
If there is an upper motor neurone problem; will there more obviously be weakness in the extensors or flexors of the leg?
Is spasticity a problem with upper or lower motor neurones?
List some characteristics of muscles affected by lower motor neurone disease
Are reflexes increased or decreased in lower motor neurone lesions?
A patients walks with a broad based gait. Where is there most likely to be a problem?
A patient has truncal ataxia - she has difficult standing as well as sitting in a chair. Where is the problem?
The vermis of the cerebellum
Cerebellar disease affecting the right cerebellar hemisphere would cause the patient to veer towards which side of the body?
In what disease is there degeneration of the caudate nucleus?
A patient presents with pain in the right ear and her mouth is sagging on the right hand side.
What is Bells Palsy?
Lower motor neurone lesion affecting the facial nerve. All the muscles on one half of the face are affected and there may be loss of taste sensation of the anterior 2/3rds of the tongue.