Which example involves a polysynaptic reflex?
A. Sandi's Golgi tendon organs decrease the strength of a muscle contraction to keep her from tearing her thigh muscle.
B. The patellar reflex causes Stephanie's leg to kick during a visit to the pediatrician.
C. As Alyssa leans forward, stretching her calf muscles, her toes dig in, maintaining her upright posture.
D. Ginger feels ants crawling up her leg and jerks her leg reflexively.
Answer: A
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