Which of the Following Statements About the Immune System Is

question 9

Multiple Choice

Which of the following statements about the immune system is correct?

• A) Memory cells are involved in a primary immune response.
• B) Dendritic cells were first identified in the nervous system.
• C) Interferons are specific proteins that block cell replication at the level of mitosis.
• D) Natural killer cells are involved in both specific and nonspecific immune responses.
• E) Defensins are one type of protective protein synthesized by T helper cells.

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Definitions:

Account Balances

The amounts of money held in financial accounts, calculated as the funds deposited minus funds withdrawn, plus any interest or capital gains.

Prepaid Account

An account reflecting payments made in advance for goods or services, which are recognized as expenses when the goods or services are actually consumed.

Accounts Payable

Short-term liabilities representing amounts owed to suppliers or creditors for goods and services received but not yet paid for.

Trial Balance

A bookkeeping worksheet in which the balances of all ledgers are compiled into debit and credit account columns to check the accuracy of the entries.