There Are Several Toxins That Interfere with Synaptic Transmission

question 8

Multiple Choice

There are several toxins that interfere with synaptic transmission. Botulism toxin, for example, interferes with the fusion of acetylcholine-containing vesicles with the membrane of the axon bulb. This would result in which one of the following?

• A) blockage of Ca²⁺ diffusion into the axon
• B) slow diffusion of the neurotransmitter across the synaptic cleft
• C) inability of neurotransmitter to bind the receptor on the postsynaptic membrane
• D) blocking of neurotransmitter release by the presynaptic membrane
• E) hyperpolarization of the postsynaptic membrane

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Definitions:

Initial Value Method

An accounting method where investments are recorded at their original cost to the owner at the time of purchase, without subsequent adjustments for market changes.

Equity Method of Accounting

An accounting technique used to record investments in other companies, where the investment is initially recorded at cost and adjusted thereafter for the investor’s share of the investee’s income, losses, and dividends received.

Capital Account Balances

The amounts recorded in the capital account of a company or individual, reflecting initial investment plus retained earnings minus any withdrawals.

Liquidating

The process of converting assets into cash or cash equivalents by selling them.