What term describes the decrease in size or wasting away of tissue or muscle?

• A. Atrophy
• B. Contracture
• C. Alopecia
• D. Syncope

Answer: (A)

The term that describes the decrease in size or wasting away of tissue or muscle is atrophy. Atrophy can occur for various reasons, including disuse of a muscle (such as when a limb is immobilized), malnutrition, or disease processes that affect muscle or tissue health. This condition signifies a reduction in the functional capacity of the affected tissues, leading to weakness and loss of functionality.

The other terms are not related to the decrease in size or wasting of tissue. Contracture refers to the shortening and tightening of muscles, tendons, or skin that can restrict movement. Alopecia describes hair loss, and syncope refers to a temporary loss of consciousness typically related to insufficient blood flow to the brain. Understanding these distinctions can help clarify the meaning of atrophy and its broader implications in patient care and rehabilitation.