T2 L7: Upper limb nerve injuries (RC)

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Questions and Answers

Which nerve is responsible for elbow flexion?

  • C6 (correct)
  • C5
  • C8
  • C7

Which nerve is responsible for finger extension?

  • C6
  • C8
  • C7 (correct)
  • C5

Which nerve is responsible for finger flexion?

  • C6
  • C8 (correct)
  • C5
  • C7

Which nerve is responsible for shoulder abduction?

<p>C5 (A)</p> Signup and view all the answers

Which nerve is responsible for elbow extension?

<p>C7 (A)</p> Signup and view all the answers

Which nerve is responsible for finger abduction?

<p>T1 (C)</p> Signup and view all the answers

Which nerve is responsible for finger adduction?

<p>T1 (D)</p> Signup and view all the answers

Which nerve is responsible for wrist and finger flexion?

<p>C8 (B)</p> Signup and view all the answers

Which nerve is responsible for wrist and finger extension?

<p>C6 (A)</p> Signup and view all the answers

Which nerve is responsible for elbow flexion and biceps muscle?

<p>C6 (A)</p> Signup and view all the answers

Which type of neuron is responsible for lower motor neuron weakness?

<p>Anterior horn cell (A)</p> Signup and view all the answers

Which region of the body is supplied by nerve fibers originating from a single dorsal nerve root?

<p>Dermatome (A)</p> Signup and view all the answers

What is the relationship between the spinal nerve and muscle in the context of myotomes?

<p>Overlap of innervation (B)</p> Signup and view all the answers

Which type of nerve injury can result in wasting and fasciculations?

<p>Ulnar nerve injury (B)</p> Signup and view all the answers

What is the primary symptom of upper motor neuron weakness in the upper limb?

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

Which anatomical region is responsible for localizing a nerve lesion when assessing upper limb nerve function?

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

What is the relationship between the spinal nerve and skin in the context of dermatomes?

<p>Overlap of innervation (B)</p> Signup and view all the answers

Which type of nerve injury can result in a sensory level?

<p>Cervical root lesion (D)</p> Signup and view all the answers

What is the primary symptom of lower motor neuron weakness in the upper limb?

<p>Flaccid tone (A)</p> Signup and view all the answers

Which anatomical region is responsible for localizing a nerve lesion when assessing upper limb nerve function?

<p>Roots (A)</p> Signup and view all the answers

Which muscle pulls the medial border of the scapula to the posterior thoracic wall and stabilizes it there?

<p>Serratus anterior muscle (C)</p> Signup and view all the answers

Which nerve is commonly impaired and leads to 'winging' of the scapula?

<p>Long thoracic nerve (B)</p> Signup and view all the answers

What are the two common sites of compression for the median nerve?

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

Which hand muscles are innervated by the median nerve?

<p>Flexor pollicis brevis and thenar muscles (B)</p> Signup and view all the answers

What are the causes of carpal tunnel syndrome?

<p>Diabetes, pregnancy, hypothyroidism (D)</p> Signup and view all the answers

What is the motor weakness associated with anterior interosseous nerve syndrome?

<p>Weakness in pronation (C)</p> Signup and view all the answers

What is the sensory innervation of the ulnar nerve in the forearm versus the carpal tunnel?

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

What is the most likely site of lesion in a 42-year-old gentleman with neck pain radiating to the right arm and numbness in the thumb and index finger?

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

Which reflex would be most likely affected in a patient with the described symptoms?

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

What would be the appropriate investigations for a patient with the described symptoms?

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

Which part of the film is mentioned as obligatory funding and an extension?

<p>The end (A)</p> Signup and view all the answers

What is the reason given for pancake peanut?

<p>It is a funny name (C)</p> Signup and view all the answers

What is the main problem within the community according to the text?

<p>Lack of healthcare services (D)</p> Signup and view all the answers

Who did not identify the victim?

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

What is the purpose of the key test mentioned in the text?

<p>To determine effectiveness (A)</p> Signup and view all the answers

What are the conditions mentioned in the text?

<p>Medical conditions (A)</p> Signup and view all the answers

What are the results mostly coming in to play with?

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

What do businesses look for according to the text?

<p>Innovation (A)</p> Signup and view all the answers

What does the leader tell you about?

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

What does the activity of the other component to your physiology enable you to do?

<p>Decrease effort (A)</p> Signup and view all the answers

Which part of the body is affected by Ebola?

<p>The immune system (C)</p> Signup and view all the answers

What is the main topic of discussion in the text?

<p>The context of Ebola (A)</p> Signup and view all the answers

What is the purpose of identifying where a problem lies within the system?

<p>To address clinical issues (A)</p> Signup and view all the answers

What is the role of the motor system?

<p>To localize nerve lesions (C)</p> Signup and view all the answers

What is the role of the nerve cell body?

<p>To process nerve signals (A)</p> Signup and view all the answers

Which pathways are involved in the motor system?

<p>Pathways that go to the receptors (A)</p> Signup and view all the answers

What does an overactive immune system lead to?

<p>Limited immune response (D)</p> Signup and view all the answers

What happens when the motor system is damaged?

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

What is the primary symptom of lower motor neuron weakness in the upper limb?

<p>Winging of the scapula (B)</p> Signup and view all the answers

What is the primary symptom of upper motor neuron weakness in the upper limb?

<p>Numbness in thumb and index finger (C)</p> Signup and view all the answers

Which nerve is commonly impaired and leads to 'winging' of the scapula?

<p>Long thoracic nerve (C)</p> Signup and view all the answers

What is the motor weakness associated with anterior interosseous nerve syndrome?

<p>Elbow flexion (A)</p> Signup and view all the answers

What is the sensory innervation of the ulnar nerve in the forearm versus the carpal tunnel?

<p>Forearm: Dorsal aspect; Carpal tunnel: Palmar aspect (A)</p> Signup and view all the answers

What are the two common sites of compression for the median nerve?

<p>Carpal tunnel and Guyon's canal (D)</p> Signup and view all the answers

What is the most likely site of lesion in a 42-year-old gentleman with neck pain radiating to the right arm and numbness in the thumb and index finger?

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

What is the primary symptom of upper motor neuron weakness in the upper limb?

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

Which reflex would be most likely affected in a patient with the described symptoms?

<p>Biceps reflex (A)</p> Signup and view all the answers

What is the relationship between the spinal nerve and skin in the context of dermatomes?

<p>Each spinal nerve supplies a specific area of skin (A)</p> Signup and view all the answers

What is the relationship between the spinal nerve and muscle in the context of myotomes?

<p>Each spinal nerve supplies a specific muscle (C)</p> Signup and view all the answers

Which nerve is responsible for wrist and finger flexion?

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

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