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14 Questions

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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?

Carry signals from the spinal cord to the muscles, resulting in movement Signup and view all the answers

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

Dorsal roots of spinal nerves Signup and view all the answers

The function of the pons is:

To relay signals between the cerebrum and cerebellum, including sleep, hearing and taste. Signup and view all the answers

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

Thalamus Signup and view all the answers

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

Cerebral cortex Signup and view all the answers

Which brain region is involved in the development of cognition?

Cerebral lobes 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:

medulla oblongata Signup and view all the answers

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

Olfactory Signup and view all the answers

Where does the spinal cord terminate in an adult?

Vertebral canal Signup and view all the answers

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

Thoracic Signup and view all the answers

Which of the following is not an ascending spinal tract?

Anterior corticospinal Signup and view all the answers