A Linked List Has the Functions InsertAtFront, RemoveFromFront, InsertAtBack and RemoveFromBack

question 13

Multiple Choice

A linked list has the functions insertAtFront, removeFromFront, insertAtBack and removeFromBack, which perform operations on nodes exactly as their names describe. Which two functions would most naturally model the enqueue and dequeue operations, respectively, of a queue?

• A) insertAtBack and removeFromBack.
• B) insertAtBack and removeFromFront.
• C) removeFromFront and insertAtFront.
• D) removeFromFront and insertAtBack.

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Definitions:

Copayment

A fixed amount that a healthcare beneficiary pays for covered medical services, usually at the time of receiving the service.

Capitated Payment

A payment arrangement in healthcare where a provider is paid a set amount for each enrolled person assigned to them, regardless of the number of services provided.

Medical Provider

An individual or institution that offers healthcare services to patients.

Primary Payer

The insurance policy or program that pays first on a claim for medical care, determining the extent of coverage before any secondary payer contributes.