Which of the following is NOT a function of the cerebellum?

• A. Maintaining balance and posture
• B. Fine-tuning motor activity
• C. Regulating heart rate
• D. Coordinating voluntary movements

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the primary functions of the cerebellum. The cerebellum is a part of the brain that plays a crucial role in motor control, including balance, posture, coordination, and fine-tuning of movements.
2. Step 2: Review each option in the problem and relate it to known cerebellar functions. For example, maintaining balance and posture is a well-established function of the cerebellum.
3. Step 3: Recognize that fine-tuning motor activity and coordinating voluntary movements are also key roles of the cerebellum, as it helps smooth and coordinate muscle actions.
4. Step 4: Identify the option that does not align with cerebellar functions. Regulating heart rate is primarily controlled by the autonomic nervous system and brainstem structures, not the cerebellum.
5. Step 5: Conclude that the function NOT associated with the cerebellum is regulating heart rate, as it falls outside the cerebellum's role in motor control and coordination.