Which of the Following Statements Are True of Vaccines

question 47

Multiple Choice

Which of the following statements are true of vaccines?

• A) Vaccines are effective for all known communicable diseases.
• B) Vaccines can produce disease similar to the one it is intended to prevent in those with reduced immunity.
• C) Vaccines are especially effective for the very young and the elderly.
• D) Vaccines are more than 95% effective.

---

Definitions:

Appetite Hormone

Regulatory substances in the body like ghrelin, which influences hunger and feeding behaviors.

Orexin

A neurotransmitter involved in regulating wakefulness and appetite.

Hypothalamus

A region of the brain responsible for the production of many of the body's essential hormones, influencing bodily functions such as temperature regulation, thirst, hunger, sleep, and mood.

Excess Weight

The additional body weight that is above the recommended limits for optimal health, often resulting from accumulated fats in the body.