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MDCAT Past Papers - UHS - Biology - Chap No 12 - 2019 Quiz

Attempt 10 MCQs on MDCAT Past Papers - UHS - Biology - Chap No 12 (Year 2019) | Quiz 1

1. If stimulus is above --------,impulses travel to the brain along the sensory neuron.



2. The reflex action is the phenomenon which only involves:



3. In an action potential the permeability of sodium ions in the neuron increases due to:



4. In nervous system Acetylcholine and Nor-adrenalinen are two chemical messengers and are called --------



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