**Core Concept**
Dystrophic calcification refers to the deposition of calcium salts in damaged or necrotic tissue, often in the absence of elevated serum calcium levels. This process is distinct from metabolic calcification, which is associated with primary hyperparathyroidism or other disorders affecting calcium metabolism.

**Why the Correct Answer is Right**
Dystrophic calcification occurs in damaged or necrotic tissue due to the release of calcium-binding proteins and the disruption of normal cellular mechanisms that regulate calcium homeostasis. This type of calcification is commonly seen in areas of tissue damage, such as in wounds, infarcts, or following trauma. The key feature of dystrophic calcification is that it occurs in the setting of normal serum calcium levels, distinguishing it from metabolic calcification.

**Why Each Wrong Option is Incorrect**
**Option B:** This option is incorrect because dystrophic calcification is not simply a matter of elevated calcium levels (t level of Ca++ deposits); rather, it is a specific pathological process that occurs in damaged tissue.

**Option C:** This option is incorrect because dystrophic calcification is not limited to normal tissue seen in hyperparathyroidism; it can occur in any damaged or necrotic tissue, regardless of the underlying calcium metabolism.

**Option D:** This option is incorrect because dystrophic calcification is characterized by the deposition of calcium salts in destroyed tissues with normal calcium levels in the blood, not in the setting of hypercalcemia.

**Clinical Pearl / High-Yield Fact**
Dystrophic calcification is a hallmark feature of certain pathological conditions, including atherosclerosis, osteoarthritis, and renal failure. Recognizing the distinct features of dystrophic calcification is essential for accurate diagnosis and management of these conditions.

**✓ Correct Answer: A. Calcification in destroyed tissue with normal calcium level in blood**