Nervous System Structures and Functions

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Questions and Answers

Which of the following is not a primary function of the nervous system?

  • Triggering immune responses (correct)
  • Controlling breathing, blood pressure and heart rate
  • Communicating with other parts of the body using hormones
  • Extracting information from the environment using sensory receptors

Which of the following can be part of the peripheral nervous system?

  • The spinal cord
  • Nerves and ganglia (correct)
  • The blood-brain barrier
  • The brain

Which part of a neuron is responsible for conducting electrochemical stimulation from upstream neurons to the cell body of the neuron?

  • Axon
  • Dendrites (correct)
  • Soma
  • Axon terminal

What is the function of a motor neuron?

<p>Carry signals from the spinal cord to the muscles, resulting in movement (C)</p> Signup and view all the answers

Which of the following is composed of fibers of sensory neurons only?

<p>Dorsal roots of spinal nerves (A)</p> Signup and view all the answers

The function of the pons is:

<p>To relay signals between the cerebrum and cerebellum, including sleep, hearing and taste. (B)</p> Signup and view all the answers

The region of the brain that is primarily involved in projecting impulses to somatosensory cortex is the:

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

The part of the brain that is involved with initiating voluntary muscle movement is the:

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

Which brain region is involved in the development of cognition?

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

The vital centers for the control of heart beat, respiration, and the control of blood vessel diameter are located in the:

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

Which of the following cranial nerves is not involved in motor input/output?

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

Where does the spinal cord terminate in an adult?

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

Which of the upper three regions of the spinal cord contains the most vertebrae?

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

Which of the following is not an ascending spinal tract?

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

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