**Core Concept**
Mature defense mechanisms are psychological strategies used by individuals to cope with stress, anxiety, and other adverse situations. These mechanisms are adaptive and healthy, allowing individuals to maintain their psychological integrity and functionality.

**Why the Correct Answer is Right**
Mature defense mechanisms include humor, sublimation, altruism, anticipation, and suppression. These mechanisms involve redirecting or channeling emotions and impulses in a positive and constructive manner. For instance, humor involves using laughter and wit to cope with stress, while altruism involves redirecting one's emotions towards helping others.

**Why Each Wrong Option is Incorrect**
**Option A:** Not provided.
**Option B:** Not provided.
**Option C:** Not provided.
**Option D:** Not provided.

**Clinical Pearl / High-Yield Fact**
It's essential to recognize that defense mechanisms can be categorized into mature, neurotic, and immature types. Mature defense mechanisms are adaptive and healthy, while neurotic and immature mechanisms can be maladaptive and indicate underlying psychological issues.

**Correct Answer:** Not provided.