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 2024–2025.
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
A person withdraws a hand from a sharp object. Which structure acts as the effector in this reflex? A. A pain receptor in the skin B. A relay neuron in the spinal cord C. A sensory neuron axon D. A contracting skeletal muscle
In a withdrawal reflex, where would a sensory neuron synapse with a relay neuron in the spinal cord? A. R B. Q C. S D. P
The conceptual reflex diagram shows two pathways marked A and B. Identify which pathway contains(i) the motor neuron and(ii) the sensory neuron.
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.