Question 54 Choose the iten below that best matches the term. During a resting m

Question

Question 54 Choose the iten below that best matches the term. During a resting membrane potential During an action potential inhibitory postsynaptic potential A Calcium gates open B. Serotonin C. Potassium gates open first D. Dopamine E. GABA F. Sodium gates open first G. Potassium leaks out H. Acetylcholine , Presynaptic membrane Neurotransmitter at neuromy°junctions important inhibitory neurotransmitter Associated with Parkinson's disease 5-hydroxytryptamine (5-HT) - Moving to another question will save this response.

Explanation / Answer

During a resting membrane potential: G (Potassium leaks out) ; Potassium leaks out through potassium leak channels during resting membrane potential.

During an action potential: F (sodium gates open first) ; Sodium gates open first which causes depolarization

Inhibitory postsynaptic potential: C (potassium gates open first) : Inhibitory postsynaptic potential arises due to hyperpolarization which involves potassium or chloride ionchannel

Presynaptic membrane: A (calcium gates open) ; Sodium or calcium channel is involved at presynaptic membrane.

Neurotransmitter at neuromyojunctions: H (acetylcholine) ; Acetylcholine present at neuromyojunctions which is responsible for muscle contraction.

Important inhibitory neurotransmitter: E (GABA) ; GABA is main inhibitory neurotransmitter responsible for inhibition of CNS.

Associated with perkinson's disease: D (Dopamine) ; Level of dopamine is altered in parkinson's disease

5-hydroxytryptamine: B (serotonin) ; 5-hydroxytryptamine is also known as serotonin.

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