1-Which of the following is NOT a function of the nervous system?
Sensory function
Integrative function
Motor function
All are functions of the nervous system
2-Which of the following are divisions of the peripheral nervous system?
Somatic nervous system
Autonomic nervous system
Enteric nervous system
All of these choices
3-The motor portion of the autonomic nervous system can be divided into
somatic and sympathetic divisions.
somatic and parasympathetic divisions.
enteric and somatic divisions.
sympathetic and parasympathetic divisions.
The correct answer and explanation is:
Correct Answers:
- All are functions of the nervous system
- All of these choices
- Sympathetic and parasympathetic divisions
Explanation:
1. Functions of the Nervous System
The nervous system is responsible for three primary functions: sensory, integrative, and motor functions. The sensory function detects changes inside and outside the body through sensory receptors. The integrative function processes this information, allowing the nervous system to analyze and make decisions. Finally, the motor function sends signals to muscles and glands to respond appropriately. Since all three are essential functions of the nervous system, the correct answer is “All are functions of the nervous system.”
2. Divisions of the Peripheral Nervous System
The peripheral nervous system (PNS) consists of the somatic nervous system (SNS), the autonomic nervous system (ANS), and the enteric nervous system (ENS). The SNS controls voluntary muscle movements and sensory information. The ANS regulates involuntary functions like heartbeat and digestion and is further divided into sympathetic and parasympathetic systems. The ENS, often called the “brain of the gut,” controls digestive processes independently. Since all these are divisions of the PNS, the correct answer is “All of these choices.”
3. Motor Portion of the Autonomic Nervous System
The autonomic nervous system (ANS) controls involuntary bodily functions and consists of two main divisions: the sympathetic nervous system and the parasympathetic nervous system. The sympathetic division prepares the body for “fight or flight” responses by increasing heart rate and releasing adrenaline. The parasympathetic division is responsible for “rest and digest” functions, slowing the heart rate and promoting relaxation. Since the question asks about the motor portion of the ANS, the correct answer is “Sympathetic and parasympathetic divisions.”
Now, I’ll generate an image representing the divisions of the nervous system.
Here is the generated image illustrating the divisions of the nervous system. It visually represents the central and peripheral nervous systems, including the somatic, autonomic, and enteric divisions, with further breakdown into sympathetic and parasympathetic systems. Let me know if you need any modifications!
