The Following Steps Refer to Various Stages in Transmission at a Chemical

question 43

Multiple Choice

The following steps refer to various stages in transmission at a chemical synapse.
1) Neurotransmitter binds with receptors associated with the postsynaptic membrane.
2) Calcium ions rush into neuron's cytoplasm.
3) An action potential depolarizes the membrane of the axon terminal.
4) The ligand-gated ion channels open.
5) The synaptic vesicles release neurotransmitter into the synaptic cleft.
Which sequence of events is correct?

• A) 1 → 2 → 3 → 4 → 5
• B) 2 → 3 → 5 → 4 → 1
• C) 3 → 2 → 5 → 1 → 4
• D) 4 → 3 → 1 → 2 → 5
• E) 5 → 1 → 2 → 4 → 3

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Definitions:

Dichotomy

A division or contrast between two things that are represented as being entirely different.

Analogy

A comparison between two things, typically for the purpose of explanation or clarification, highlighting similarities in some respects.

False Dichotomy

A logical fallacy that presents two opposing options as the only possibilities, when in fact more options exist.

Weak Analogy

An argument based on insufficient parallels between two or more entities, which may lead to faulty conclusions.