Neurology Quiz #22: Nerve Reflexes

1. A 32-year-old man presents to the clinic with weakness and numbness in his left leg. Physical examination reveals decreased patellar reflex. Damage to which of the following structures is most likely responsible for this finding? 

Question 1 of 5

2. A 55-year-old woman with diabetes mellitus type 2 presents with a decreased sensation over the lateral aspect of her right foot and a weakened dorsiflexion. Which nerve reflex is most likely impaired in this patient? 

Question 2 of 5

3. During a neurological examination, a physician observes that when the sole of the patient's foot is stroked, the big toe extends and the other toes fan out. This reflex is known as: 

Question 3 of 5

4. A 20-year-old man presents to the emergency department after an accident during a soccer game. Examination reveals an inability to evert and dorsiflex his foot. Which of the following reflexes is most likely to be absent in this patient? 

Question 4 of 5

5. A 45-year-old woman presents with neck pain radiating down her left arm. Physical examination reveals a decrease in the biceps reflex. This reflex is primarily mediated by which of the following nerve roots? 

Question 5 of 5


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