Studies have found impaired immune functioning among bereaved individuals.

Question

BlackTom AI · Accepted Answer

Bereavement is associated with impaired immune functioning, particularly through stress-related physiological changes.

1. Relevant knowledge points and concepts
- Grief and bereavement activate the stress response (hypothalamic–pituitary–adrenal axis and sympathetic nervous system). 
- Chronic or intense stress raises cortisol and catecholamines, which can suppress immune processes (e.g., lymphocyte proliferation, natural killer (NK) cell activity) and alter cytokine balance. 
- Clinical and experimental studies report lower antibody responses to vaccines, reduced NK cell activity, delayed wound healing, and increased infection rates among bereaved individuals.

2. Step-by-step reasoning
- Loss triggers psychological stress and often depression or sleep disruption. 
- Stress hormones (cortisol, epinephrine) increase and bind immune cells, inhibiting cell-mediated immunity. 
- Reduced cell-mediated immunity and NK-cell function lower defenses against viruses and tumors and blunt vaccine responses. 
- These measurable changes in immune markers correspond with higher reported illness and slower recovery in bereaved populations.

3. Calculations or quantitative steps (not applicable)
- No numerical calculation is required; the argument rests on physiological mechanisms and empirical findings showing relative decreases in immune markers (e.g., percent reductions in NK activity) among bereaved versus controls.

4. Why the correct answer is correct
- The documented pathways (HPA activation → elevated cortisol → immune suppression) plus consistent empirical findings support that bereavement can impair immune functioning. This effect is robust across studies of recent spousal loss, caregiver bereavement, and complicated grief.

5. Why the other option (False) is incorrect
- Saying “False” ignores substantial evidence linking grief to measurable immunological changes and increased illness risk. While not every bereaved person shows severe immune decline, the general finding of impairment in groups of bereaved individuals is well supported.

6. Conclusion
- The correct answer is True, consistent with physiological mechanisms and empirical research demonstrating impaired immune functioning among bereaved individuals. This matches the provided answer (True).

Studies have found impaired immune functioning among bereaved individuals. True/False

Similar Questions

Which term best describes the function of blood when considering the presence of leukocytes and antibodies?

Question at position 2 Which term best describes the function of blood when considering the presence of leukocytes and antibodies?RegulationTransportationProtection

Feeling liked and encouraged by intimate friends and family has been found to promote

Is the following statement true or false? In the products of methylation-hydrolysis, every -OH group corresponds to the position of a glycosidic bond in the starting polysaccharide.

Which of the follwoing structures represents amylopectin?

Which of the following is true about an aldopentose?I. It is a monosaccharide.II. It contains a CHO groupIII. It is a disaccharide.IV. It is an oligosaccharide.

For stock A, we have 𝛽 𝑖 = 0.70. Suppose the expected market risk premium next year is 9% and the risk-free rate is 3%. What is the expected return of this stock based on the CAPM? (Please answer in % and round to 2 decimal places. If the answer is 8.057%, then in the box, write 8.06)

More Practical Tools for Students Powered by AI Study Helper

Homework AI Solver

Stylized AI Paper Writer

Plagiarism Checker Assistant

Citation AI Academic Writing Tool

In-Class Translation Assistant

AI Note Generator

AI Quiz Answers

Past Exam Questions from University Test Bank

Smart Practice Assistant

Adaptive Practice

Making Your Study Simpler