Zadanie 3c
Describe the route followed by a pain-triggered withdrawal reflex.
The withdrawal reflex pathway
Trace a pain stimulus through sensory, relay and motor neurons to an involuntary skeletal muscle response.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2025–2026.
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Zadanie 17
After a person steps on a sharp object, a withdrawal reflex bends the leg. Which component acts as the effector? A. A contracting leg muscle B. A sensory axon from the skin C. A relay neuron in the spinal cord D. A pain receptor in the sole
Zadanie 16
What acts as the receptor in a withdrawal reflex initiated by a sharp object? A. The contracting arm muscle B. The pituitary gland C. A motor neuron terminal D. A sensory nerve ending in the skin
Zadanie 17
In a withdrawal reflex, where would a sensory neuron synapse with a relay neuron in the spinal cord? A. Q B. S C. P D. R
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