Nervous System Functions Quiz
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Questions and Answers

Which part of the nervous system conducts signals to and from the brain?

  • Peripheral Nervous System (correct)
  • Autonomic Nervous System
  • Sensory neuron
  • Motor neuron

What type of muscles are described as 'Involuntary muscles' in the text?

  • Muscles controlled by the Central Nervous System
  • Muscles that work under conscious control
  • Muscles that contract automatically (correct)
  • Muscles controlled by the Autonomic Nervous System

Which part of the nervous system controls reflex activities?

  • Peripheral Nervous System (correct)
  • Central Nervous System
  • Sensory organs
  • Autonomic Nervous System

What is the function of the Autonomic Nervous System as mentioned in the text?

<p>Controls involuntary movements (B)</p> Signup and view all the answers

Which part of the nervous system initiates responses and generates thoughts and emotions?

<p>Brain (D)</p> Signup and view all the answers

What is the main processing center for the entire nervous system?

<p>Brain (A)</p> Signup and view all the answers

Which part of the nervous system carries information from sensory organs to the CNS?

<p>Peripheral nervous system (D)</p> Signup and view all the answers

What is the function of sensory neurons in the nervous system?

<p>Receives and processes sensory information (B)</p> Signup and view all the answers

Which division of the nervous system conveys information between the CNS and all other parts of the body outside the brain and spinal cord?

<p>Peripheral nervous system (B)</p> Signup and view all the answers

What is the role of the endocrine system in maintaining homeostasis?

<p>Regulates hormone levels to keep internal balance (D)</p> Signup and view all the answers

How does the central nervous system (CNS) contribute to generating thoughts and emotions?

<p>By storing memories and initiating responses (B)</p> Signup and view all the answers

What is the main function of the Autonomic Nervous System?

<p>Controls involuntary movements (D)</p> Signup and view all the answers

Which part of the neuron receives information from other neurons and transmits electrical stimulation to the soma?

<p>Dendrites (C)</p> Signup and view all the answers

Which division of the Autonomic Nervous System is responsible for the 'Fight or Flight' response?

<p>Sympathetic Division (B)</p> Signup and view all the answers

Which part of the neuron is the elongated fiber that extends from the cell body to the terminal endings and transmits the neural signal?

<p>Axon (D)</p> Signup and view all the answers

What is the role of Neuroglia in the nervous system?

<p>Provide mechanical and metabolic support (B)</p> Signup and view all the answers

Which part of the neuron is located at the end of the soma and controls the firing of the neuron?

<p>Axon hillock (C)</p> Signup and view all the answers

What part of the neuron is responsible for sending the signal on to other neurons?

<p>Axon terminal (D)</p> Signup and view all the answers

Which type of neuron receives signals from and sends signals to other nerve cells?

<p>Interneuron (B)</p> Signup and view all the answers

What happens if the myelin sheath is damaged?

<p>Neurotransmission slows down (A)</p> Signup and view all the answers

Which category of neuron allows the brain and spinal cord to communicate with muscles, organs, and glands?

<p>Motor neuron (B)</p> Signup and view all the answers

What is responsible for the exchange of information between neurons through the release of chemicals?

<p>Neurotransmitters (A)</p> Signup and view all the answers

Which factor determines how fast a neuron can transmit signals?

<p>Diameter of the axon (D)</p> Signup and view all the answers

What is the role of the endocrine system in maintaining homeostasis?

<p>Regulating physiological activities through hormone secretion (C)</p> Signup and view all the answers

How does insulin contribute to the maintenance of homeostasis?

<p>By triggering cells to take up glucose for energy (C)</p> Signup and view all the answers

What distinguishes the nervous system from the endocrine system in terms of communication?

<p>Nervous system uses electrical signals, while the endocrine system uses chemical signals (A)</p> Signup and view all the answers

What is the function of hormones in the body?

<p>Maintaining a stable internal environment by affecting physiological activities (A)</p> Signup and view all the answers

Which statement best describes homeostasis?

<p>A state of equilibrium maintained by regulatory processes (B)</p> Signup and view all the answers

What is the main difference between short-term and long-term effects of hormonal actions?

<p>Short-term effects act quickly on target cells, while long-term effects alter gene expression and cellular function over time (C)</p> Signup and view all the answers

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