Which statement is true about the growth of malignant neoplasms?

• A. They grow at a slower rate than benign neoplasms.
• B. They display uncontrolled and rapid growth.
• C. They usually remain encapsulated.
• D. They produce specific hormones and proteins.

Answer: (B)

Malignant neoplasms are characterized by uncontrolled and rapid growth. This rapid proliferation is due to the loss of normal regulatory mechanisms that control cell growth and division, leading to the formation of a tumor that can invade surrounding tissues and spread (metastasize) to other parts of the body. Unlike benign neoplasms, which grow slower and are typically well-circumscribed and encapsulated, malignant tumors tend to grow aggressively and can disrupt normal tissue architecture.

The statement regarding uncontrolled and rapid growth accurately reflects the nature of malignant neoplasms, underscoring their potential to cause significant harm and complicate treatment. The other statements do not capture the characteristics of malignant tumors effectively; for instance, they grow faster than benign tumors, they are generally not encapsulated, and while some cancer types may produce hormones or proteins, this is not a universal feature among all malignant neoplasms.