Senescence of the Immune System Makes Older People More Susceptible

question 63

Multiple Choice

Senescence of the immune system makes older people more susceptible to cancer and infectious disease because of a decline in __________.

• A) alpha and beta globulins
• B) red blood cells and platelets
• C) complement proteins
• D) prothrombin and fibrinogen
• E) antigen-presenting cells and helper T cells

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Definitions:

Sexual Fantasies

Imaginative thoughts or daydreams about sexual activities or desires.

Sexual Drives

refer to the biological and psychological energies that influence an individual's desire for sexual activity.

McCarthys' Sexual Styles

A conceptual framework identifying different styles of sexual expression and behavior as characterized by the research of McCarthy.

Intrapersonal Activity

Activities or processes that occur within the individual's mind.