Exhibit 9-2 -In Exhibit 9-2, the Average Revenue of the Fourth Unit

question 10

Multiple Choice

Exhibit 9-2

-In Exhibit 9-2, the average revenue of the fourth unit is

• A) $12
• B) $3
• C) $4
• D) -$4
• E) $0

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Definitions:

Synaptic Cleft

The extremely small gap between neurons at a synapse, through which neurotransmitters are released from one neuron to affect another.

Presynaptic Terminal

The end portion of an axon, responsible for releasing neurotransmitters into the synaptic cleft to communicate with a neighboring neuron's dendrite.

Sarcolemma

The cell membrane of a muscle fiber that encloses its cytoplasm and helps transmit action potentials.

Neuromuscular Junction

The neuromuscular junction is the site where a nerve fiber connects to a muscle cell, facilitating the transmission of electrical impulses that prompt muscle contraction.