Neurology Quiz #23: Spinal Cord Anatomy and Pathology

1. A 23-year-old motorcycle accident victim is brought to the emergency department. He is unable to move his legs and has lost sensation below the level of his nipples. He also has lost bowel and bladder control. An MRI of the spine shows a transection at the T4 level. Which of the following spinal tracts is most directly responsible for the loss of voluntary motor control below the level of the lesion? 

Question 1 of 5

2. A 55-year-old woman presents with a burning sensation and loss of pain and temperature sensation on the left side of her face and the right side of her body. She does not report any changes in touch sensation. These findings suggest damage to which of the following structures? 

Question 2 of 5

3. A patient presents with weakness in the right upper and lower limbs, decreased sensation to fine touch and vibration on the right side, and loss of pain and temperature sensation on the left side below the level of the umbilicus. These findings are most consistent with a lesion in which area of the spinal cord? 

Question 3 of 5

4. A 67-year-old man with a history of diabetes mellitus presents with numbness and tingling in a "stocking-glove" distribution. Which of the following best describes the pattern of sensory loss? 

Question 4 of 5

5. A 30-year-old man presents with acute lower back pain following a lifting injury. He has diminished Achilles reflex and weakness of the plantar flexion of the foot. Which spinal nerve root is most likely affected? 

Question 5 of 5


Scroll al inicio

¡Por tiempo limitado!

Unete a nuestro boletín mensual y obtén todos nuestros talleres USMLE/ECFMG ¡GRATIS! (+100 videos)

Taller Gratuito USMLE

Este taller proporciona un análisis en profundidad de todos los exámenes USMLE, consejos para tomar exámenes y cómo estudiar de manera efectiva.


Open chat
¡Haznos preguntas! 🩺🇺🇸
¡Hola! 👩‍⚕️
¡Habla con un especialista USMLE/ECFMG ahora! 🩺🇺🇸
¡Te ofreceremos un taller de USMLE gratuito! 📚🧠