Pediatric Emergency Medicine: Radiographic Findings Quiz

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Questions and Answers

Which of the following is a type of ligament?

  • Radial collateral
  • Ulnar collateral
  • Joint capsular (correct)
  • Anular

In the case of a 24-year-old female with loss of flexion of the distal interphalangeal joint of the little finger and ring finger, which muscle might be affected due to a traumatic nerve injury?

  • Flexor Digitorum Superficialis (correct)
  • Flexor Carpi Ulnaris
  • Pronator Quadratus
  • Flexor Pollicis Longus

Which muscle is inserted into the base of the first metatarsal bone?

  • Flexor Digitorum
  • Peroneus Tertius
  • Peroneus Longus (correct)
  • Peroneus Brevis

In which layer of the foot can the abductor hallucis muscle be found?

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

What is the name of the nerve injury that can cause loss of flexion in the distal interphalangeal joints of the little and ring fingers?

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

Which layer is mentioned in the text?

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

What injury was found in the patient's nerve?

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

What was not found in the patient's upper limb?

<p>Loss of sensation (B)</p> Signup and view all the answers

What type of nerve injury was found in the patient?

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

What was the main finding from the patient's investigation?

<p>Wrist drop without loss of sensation (B)</p> Signup and view all the answers

What is the primary issue faced by the child described in the text?

<p>Inability to straighten the forearm at the elbow (B)</p> Signup and view all the answers

Which joint is affected by the dislocation in the child's case?

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

What is the specific name of the dislocated bone mentioned in the text?

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

How would you describe the child's arm movement limitation based on the given information?

<p>Inability to rotate the arm (D)</p> Signup and view all the answers

What is typically revealed by a radiographic examination in a case like this?

<p>Dislocated head of the radius (C)</p> Signup and view all the answers

Which of the following is a flexor muscle of the wrist?

<p>Flexor carpi radialis (D)</p> Signup and view all the answers

What is the nerve supply of the adductor longus muscle?

<p>Anterior division of obturator nerve (A)</p> Signup and view all the answers

If a patient has weakness in medial rotation, flexion, and adduction of the arm, which muscle is likely injured?

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

Which of the following muscles is not a flexor of the fingers?

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

Which of the following muscles is located in the anterior compartment of the forearm?

<p>Flexor digitorum profundus (B)</p> Signup and view all the answers

What is the protein primarily responsible for muscle contraction?

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

Which of the following proteins regulates muscle contraction by blocking the active sites on actin?

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

In the context of muscle physiology, which protein helps in the binding of calcium ions, initiating muscle contraction?

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

If an athlete practices for a marathon competition, which protein plays a crucial role in the actual sliding of actin and myosin filaments?

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

Based on the provided answers, which protein is not directly involved in muscle contraction?

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

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