ANAT 1012 Final Review: Nervous System Anatomical Divisions

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Questions and Answers

What is the primary function of the cerebrum?

  • Regulating hormone production
  • Storing and processing memories (correct)
  • Processing autonomic functions
  • Controlling motor activities

Which cranial nerve provides sensory input from the lower eyelid, upper lip, cheek, nose, upper gums, and teeth?

  • Trigeminal
  • Facial
  • Maxillary (correct)
  • Olfactory

Where are the nuclei of the abducens nerve located?

  • Thalamus
  • Cerebellum
  • Medulla oblongata
  • Pons (correct)

What is the role of the white matter in the spinal cord?

<p>Containing myelinated and unmyelinated axons (D)</p> Signup and view all the answers

What is the function of the vitreous body within the eye?

<p>Stabilize the shape of the eye (C)</p> Signup and view all the answers

Which cranial nerve is responsible for the sense of smell?

<p>Olfactory nerve (CN I) (A)</p> Signup and view all the answers

What is the primary function of the brainstem?

<p>Regulating autonomic functions and relaying information (A)</p> Signup and view all the answers

Where do the optic nerves meet to form the optic chiasm?

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

What is the relationship between brain size and intelligence?

<p>Brain size varies among individuals but is not correlated with intelligence (B)</p> Signup and view all the answers

Which layer of the eye wall is responsible for vision and contains photoreceptor cells?

<p>Deep inner layer (retina) (A)</p> Signup and view all the answers

What is the function of thalamic nuclei in relation to visual information processing?

<p>Project visual information to the cerebrum (B)</p> Signup and view all the answers

What is the primary function of the cerebellum?

<p>Coordinating some motor activities (D)</p> Signup and view all the answers

What is the main function of the central nervous system (CNS)?

<p>To integrate and coordinate sensory processing and motor transmission (C)</p> Signup and view all the answers

Which part of the peripheral nervous system (PNS) carries information from the central nervous system to the effectors?

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

Which structure in a neuron receives signals coming into the cell body?

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

What is the function of the sympathetic division of the autonomic nervous system?

<p>To respond to a threat by activating the 'fight or flight' response (B)</p> Signup and view all the answers

Which statement about neuron regeneration is true?

<p>Typical CNS neurons cannot divide and be replaced if destroyed (D)</p> Signup and view all the answers

What is the function of the axon hillock in a neuron?

<p>To originate electrical impulses (action potentials) (A)</p> Signup and view all the answers

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