As a Result of Aging, New Lymphocytes Continue to Be

question 27

Multiple Choice

As a result of aging, new lymphocytes continue to be produced in the thymus up until the age of 60 years, but they are less effective. Check all reasons they are less effective.

• A)The body's increased reaction to infections can lead to pneumonia.
• B)Helper T-lymphocytes do not respond as well to antigens.
• C)There is a decreased production of B-lymphocytes
• DThe increased production of cytotoxic T-lymphocytes causes the body to over-respond to viruses.

---

Definitions:

Depression

A mental health disorder characterized by persistent feelings of sadness, loss, or anger that interfere with daily activities.

Delusions

False beliefs held with strong conviction despite superior evidence to the contrary, often seen in psychiatric conditions.

Anhedonia

The inability to feel pleasure in normally pleasurable activities, often associated with depression and other mental health disorders.

Hallucinations

Awareness of phenomena during alertness and wakefulness, without external input, that resemble the characteristics of genuine perception.