For the First Nine Months After Birth,Ronny Knowse Had Not

question 16

Multiple Choice

For the first nine months after birth,Ronny Knowse had not experienced any problems with sickness.After that,however,he had many severe bacterial infections.The reason for the delayed onset of this problem was

• A)it took nine months for the thymus to develop fully.
• B)he probably was not exposed to any antigens during the first nine months.
• C)for the first nine months he had passive natural immunity from antibodies passed to him through the placenta.
• D)he had active artificial immunity during the first nine months.
• E)he had degeneration of his normal immune function after birth.

---

Definitions:

Net Income

The amount of profit left over after all expenses, taxes, and costs have been subtracted from total revenue.

Retained Earnings

The part of net earnings a corporation keeps instead of paying out to its shareholders in the form of dividends.

Noncumulative

A term often used to describe preferred stocks or dividends that do not accumulate if they are unpaid or not declared.

Nonparticipating

Describing a type of insurance policy or preferred stock where the holder is not entitled to share in the company's profits beyond a specified amount.