Which of the Following Must Happen First in the Order

question 91

Multiple Choice

Which of the following must happen first in the order events at a chemical synapse?

• A)Calcium ions cause synaptic vesicles to release neurotransmitters into the synaptic cleft.
• B)Calcium ion channels in the axon terminal open.
• C)Neurotransmitter binds to receptors on the postsynaptic neuron.
• D)Ion channels respond to the neurotransmitter and lead to a local potential,or possibly an action potential.

---

Definitions:

Rationalism

A philosophy which emphasizes reason as the primary source of knowledge and justification over sensory experience.

National Priorities

The objectives or goals that a country considers most important and urgent for its development and welfare.

National Opinion Research Center

An independent research organization at the University of Chicago focusing on social science research to guide and inform public opinion and policy.

Rhodesia

A former name for Zimbabwe, used during its period of unrecognised independence under white minority rule from 1965 to 1979.