Motor Examination Practical CNS Introduction

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Questions and Answers

Which test is used to assess cerebellar tremor?

  • Gait and posture assessment
  • Heel-to-shin test
  • Romberg test
  • Finger-to-nose test (correct)

What type of tremor is characterized by an absence of tremor at rest, but maximal on movement?

  • Physiological tremor
  • Parkinson's tremor
  • Dystonic tremor
  • Cerebellar tremor (correct)

What is the characteristic feature of cerebellar tremor?

  • Absent at rest but maximal on movement (correct)
  • Slow frequency and high amplitude
  • More common in the upper limbs
  • Worse at rest (static tremor)

Which of the following is a function of the cerebellum?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary cause of cerebellar tremor?

<p>Lesion in the cerebellum (C)</p> Signup and view all the answers

What is the purpose of the finger-to-nose test in the assessment of cerebellar function?

<p>To detect the presence of tremor during intentional movement (C)</p> Signup and view all the answers

What is the main consequence of a lesion in the cerebellum?

<p>Ataxia (C)</p> Signup and view all the answers

Which part of the nervous system is responsible for coordination of voluntary movement in the absence of paralysis?

<p>Cerebellum (D)</p> Signup and view all the answers

What type of dysfunction results from a lesion in the cerebellum?

<p>Ataxia (D)</p> Signup and view all the answers

Which brain structure is mainly responsible for the fine-tuning and coordination of motor movements?

<p>Cerebellum (D)</p> Signup and view all the answers

In motor examination, what symptom would suggest a lesion in the cerebellum rather than in the motor cortex?

<p>Tremors and incoordination (D)</p> Signup and view all the answers

Which of the following structures is crucial for detecting abnormalities in muscle tone during motor examination?

<p>Cerebellum (C)</p> Signup and view all the answers

Which test assesses for abnormalities in the neocerebellum?

<p>Heel-knee-shin test (C)</p> Signup and view all the answers

What is a common abnormality seen in the Finger-nose test and Heel-knee-shin test in cerebellar ataxia?

<p>Intention tremors (B)</p> Signup and view all the answers

Which type of ataxia results from defective proprioception?

<p>Sensory ataxia (D)</p> Signup and view all the answers

What is a characteristic of sensory ataxia when the eyes are closed?

<p>Dysmetria and dysdiadokinesia (D)</p> Signup and view all the answers

What does the patient perform during rapid alternating movement testing?

<p>Pronate and supinate the forearms (A)</p> Signup and view all the answers

Which term describes the irregular force and rhythm in rapid alternating movements due to cerebellar dysfunction?

<p>Dysdiadokinesia (B)</p> Signup and view all the answers

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