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Questions and Answers
What is the primary function of the nervous system?
What is the primary function of the nervous system?
- Regulating the circulatory system
- Sensation, integration, and reaction (correct)
- Facilitating digestion and absorption
- Controlling the endocrine system
Which of the following statements about neurons is true?
Which of the following statements about neurons is true?
- They are electrically inexcitable
- They have low metabolic activity
- They are long-lived and do not divide (correct)
- They are capable of dividing and reproducing
What is the role of neuroglia in the nervous system?
What is the role of neuroglia in the nervous system?
- Supporting, nourishing, and protecting neurons (correct)
- Initiating muscle contractions
- Transmitting electrical signals
- Integrating sensory information
How many types of supporting cells (neuroglia) are found in the central nervous system (CNS)?
How many types of supporting cells (neuroglia) are found in the central nervous system (CNS)?
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What is the term used to describe changes or events occurring in and outside the body that are monitored by the nervous system?
What is the term used to describe changes or events occurring in and outside the body that are monitored by the nervous system?
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Which of the following statements about the ratio of neuroglia to neurons is correct?
Which of the following statements about the ratio of neuroglia to neurons is correct?
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