Certified Electronic Health Records Specialist (CEHRS) Practice Exam

What is a key function of the nervous system?

1. Regulates metabolic processes

2. Transmits hormones into the bloodstream

3. Receive/process information

4. Regulates body temperature

The correct answer is: Receive/process information

The primary function of the nervous system is to receive and process information from both the external environment and internal body systems. This complex network of neurons and synapses allows the body to detect sensory stimuli, process these signals, and respond appropriately. The nervous system is essential for communication within the body, enabling rapid responses to changes and coordination of activities, including thoughts, emotions, and movements. In contrast, while the other options involve essential bodily functions, they do not specifically pertain to the primary role of the nervous system. Regulating metabolic processes is mainly the function of the endocrine system, particularly through hormones produced by glands. Transmitting hormones into the bloodstream is also a function of the endocrine system, where hormones regulate various physiological processes. Regulating body temperature is primarily managed through feedback mechanisms involving the hypothalamus and other systems, rather than being a direct function of the nervous system itself.