MDCAT Biology MCQ #2451

During a routine checkup, a doctor strikes the patellar tendon, causing the leg to kick. Which neuron first transmits the stimulus?

MDCAT Biology MCQ #2451

  1. Question 1

    Q1. During a routine checkup, a doctor strikes the patellar tendon, causing the leg to kick. Which neuron first transmits the stimulus?

    • A) Motor neuron
    • B) Effector organ
    • C) Sensory neuron
    • D) Interneuron

    Answer: Sensory neuron

    Explanation: In a reflex arc, the sensory neuron carries the impulse to the CNS. The motor neuron is tempting but carries the response away.