Neuroscience: Central Nervous System Overview

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Questions and Answers

What type of neurons are responsible for transmitting signals away from the Central Nervous System?

  • Mixed Neurons
  • Sensory Neurons
  • Interneurons
  • Motor Neurons (correct)

Which nervous system division is most active during physical activity?

  • Parasympathetic Nervous System
  • Sympathetic Nervous System (correct)
  • Enteric Nervous System
  • Somatic Nervous System

Which subdivision of the Autonomic Nervous System regulates resting functions?

  • Enteric Nervous System
  • Parasympathetic Nervous System (correct)
  • Somatic Nervous System
  • Sympathetic Nervous System

What type of cells in the Nervous System support and protect neurons?

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

Which nervous system subdivision independently monitors and controls the digestive tract?

<p>Enteric Nervous System (B)</p> Signup and view all the answers

What is the function of the corpora quadrigemina located in the midbrain?

<p>Regulating vision and hearing reflexes (D)</p> Signup and view all the answers

Which part of the brainstem is responsible for controlling the autonomic nervous system?

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

Which region of the brainstem plays a key role in transmitting signals for breathing regulation?

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

Where is the cardiovascular center located responsible for regulating heart rate and blood pressure?

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

Which part of the brainstem contains neural pathways connecting the cerebellum to the rest of the brain?

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

What is the function of the foramen magnum located at the base of the skull?

<p>Allows passage of spinal cord and nerves (A)</p> Signup and view all the answers

What region of the brain is primarily responsible for processing visual information from the eyes?

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

Which lobe of the brain is responsible for processing auditory information and language comprehension?

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

Where is the parietal lobe located in the brain?

<p>Top of the brain (D)</p> Signup and view all the answers

Which area of the brain is responsible for executive functions like planning, decision-making, and personality?

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

What function is primarily associated with the cerebellum in the brain?

<p>Maintaining balance and posture (D)</p> Signup and view all the answers

Which part of the brain receives input from sensory systems in the body, including the inner ear?

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

Which brain structure plays a critical role in regulating many vital physiological processes such as hunger, thirst, body temperature, sleep, and reproduction?

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

What is the primary function of the thalamus in the central nervous system?

<p>Sorting and relaying sensory information to the cortex (C)</p> Signup and view all the answers

Which part of the brain is involved in emotion, motivation, and memory, and is located just below the thalamus?

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

What is the main function of the cerebellum in the context of the central nervous system?

<p>Integrate sensory information for smooth movements (D)</p> Signup and view all the answers

Which brain structure receives sensory input from different parts of the body and relays it to appropriate regions of the cortex?

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

In the central nervous system, which structure is involved in amplifying or attenuating sensory inputs based on their importance or an individual's current goals?

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

What is the main role of astrocytes in the CNS?

<p>Contribute to Blood-Brain Barrier (C)</p> Signup and view all the answers

Which glial cell type is responsible for myelinating several axons in the CNS?

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

What is the main function of ependymal cells in the CNS?

<p>Lines cavities of the brain and spinal cord, filters blood to make CSF (A)</p> Signup and view all the answers

What is the primary function of Schwann cells?

<p>Myelinate PNS axons (D)</p> Signup and view all the answers

Which glial cell type is referred to as CNS-resident macrophages?

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

Which type of glial cell forms and maintains the protective covering around CNS axons?

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

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