Gce Model Questions Vol1 2021 Biology Question 39
Practice objective / multiple choice question 39 from the 2021 Gce Model Questions Vol1 Biology examination.
In a normal monosynaptic stretch reflex, the afferent neuron conducts over a distance of \(0.4\) m at \(80\) m s\(^{-1}\), the efferent neuron conducts over \(0.3\) m at \(60\) m s\(^{-1}\), and the synaptic delay is \(0.5\) ms, giving a measured latency of \(30\) ms. In a patient the latency is \(54\) ms. Each additional interneuron incorporated into the reflex arc adds \(12\) ms of delay. How many additional interneurons are present in the patient's reflex pathway?
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About This Question
This is Gce Model Questions Vol1 2021 Biology Question 39. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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