Use the Following Information to Answer the Questions Below

question 71

Multiple Choice

Use the following information to answer the questions below.
The research team established similar lymphocyte cultures from a number of human donors, including healthy teenagers of both genders, patients already suffering from long-term bacterial infections, and elderly volunteers. They found that the increase in lymphocyte incorporation after pathogen introduction was slightly lower in some of the female teenagers and significantly lower in each of the elderly persons. They repeated the study with a larger number of samples but got the same results.
-What might be among the research team's conclusions?

• A) The young women showed these results because they have poorer nutrition.
• B) The elderly persons' samples demonstrated their lowered immune responses.
• C) The young men had higher responses because they are generally healthier.
• D) The patient samples should have had the lowest response but did not, so the experiment is invalid.
• E) The elderly donor samples represent cells no longer capable of any cell division.

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Definitions:

Mindful Meditation

A mental practice that involves focusing one's mind on the present moment, often as a method for reducing stress and enhancing emotional well-being.

Aerobic Exercise

Physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process, such as running or cycling.

Social Support

The perception and actuality that one is cared for, has assistance available from other people, and that one is part of a supportive social network.

Lymphocyte Levels

A measure of the concentration of a type of white blood cell in the blood, which plays a crucial role in the immune response.