The Analogy Used in the Book Referred to the Axon

question 235

Multiple Choice

The analogy used in the book referred to the axon membrane asa "gatekeeper." This means that the membrane:

• A)determines whether an action potential will "pass" through the axon.
• B)controls the balance of positive and negative ions in the interior and the exterior of the axon.
• C)operates in an "all-or-none" fashion, either opening to allow neurotransmitters to pass or not.
• D)uses the nodes of Ranvier to allow some ions to move out of the axon and neurotransmitters to move into the axon.

---

Definitions:

Periodic Inventory Method

A method of inventory valuation where the cost of goods sold is determined at the end of an accounting period based on a physical count.

Voucher System

A control mechanism in accounting that uses vouchers to record transactions and ensure that every payment is properly authorized.

Net Method

Refers to an accounting practice of recording purchases or sales of inventory after all discounts have been applied, showing the net amount as the transaction value.

Purchases Discount

A deduction from the stated purchase price, often granted to encourage early payment or bulk buying.