Every Year the Common Flu Vaccine Is Designed to Protect

question 18

Multiple Choice

Every year the common flu vaccine is designed to protect against three different strains of the influenza virus.How is your body able to raise antibodies against so many new forms of the flu virus?

• A)Each B cell can make antibodies against all antigens.
• B)The vaccine contains the antibodies against the strains of flu virus so your body does not need to make them.
• C)Viruses are destroyed by the passive immune system.
• D)Clonal deletion of B and T cells that recognize the virus occurs.
• E)Recombination of the gene used to make antibodies occurs.

---

Definitions:

Write-Off

An accounting action whereby the value of a bad debt or an asset is reduced to zero, acknowledging it as a loss.

Average Collection Period

The average time it takes for a company to receive payments from its customers.

Accounts Receivable Turnover

A financial metric that measures how efficiently a company collects its receivables or the credit it extends to customers.

Accounts Receivable Turnover

A financial ratio indicating how quickly a company collects cash from credit sales by measuring the number of times accounts receivable are collected during a period.