When Are Vesicles Containing Neurotransmitters Released into the Synaptic Cleft

question 87

Multiple Choice

When are vesicles containing neurotransmitters released into the synaptic cleft?

• A)when Ca²⁺ levels rise within the axon terminal
• B)when Na⁺ levels rise within the axon terminal
• C)when H⁺ levels rise within the axon terminal
• D)when Cl- levels rise within the axon terminal

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Definitions:

Shale

A fine-grained sedimentary rock that can contain significant amounts of oil and natural gas.

Magnitude 9.0

A measure on the Richter scale indicating an extremely powerful earthquake, capable of causing widespread destruction and significant alteration of the Earth's surface.

Lava Rock

A volcanic rock formed from the cooling and solidification of molten lava.

Igneous

Pertaining to rock formed from the cooling and solidification of magma or lava, distinguished by minerals crystallized from molten material.