Which of the Following Places the Listed Events of Chemical

question 26

Multiple Choice

Which of the following places the listed events of chemical synapse transmission in the correct order?
1-Ca²⁺ enters axon terminal.
2-Ligand-gated ion channels open in postsynaptic membrane.
3-Neurotransmitter binds to postsynaptic receptor.
4-Action potential reaches axon terminal of presynaptic neuron.
5-Neurotransmitter released by exocytosis.

• A)4, 5, 2, 3, 1
• B)4, 1, 5, 3, 2
• C)4, 1, 3, 5, 2
• D)4, 5, 1, 3, 2

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Definitions:

Directional Terms

Terms used to describe the locations of structures or movements of the body in relation to other structures or locations.

Lateral

Relating to, situated at, or extending toward the side; away from the midline of the body.

Parietal Peritoneum

The part of the peritoneum that lines the abdominal and pelvic walls, as opposed to the visceral peritoneum which covers internal organs.

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, producing a watery serum to lubricate surfaces.