Which cranial nerve is vital for the functioning of the visceral organs?
A. abducens
B. glossopharyngeal
C. hypoglossal
D. vagus
Answer: vagus
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Biology Chapter 8
- What is the first structure of a reflex arc?
- Nerves that serve the leg come from the
- Nerves that serve the arm come from the _______ plexus.
- Reflex arcs
- Which of the following spinal nerve groups is incorrect?
- If the dorsal root of a spinal nerve were to be cut, the individual would
- There are ___ pairs of cranial nerves and ____ pairs of spinal nerves.
- Which cranial nerve allows one to make facial expressions and secrete tears?
- Which cranial nerve is NOT involved with eye movements?
- Which of the following cranial nerves is NOT purely sensory?
- Eye movements would be compromised by
- A cranial nerve with only sensory fibers is the
- Which tracts are NOT part of the extrapyramidal motor tracts?
- The extrapyramidal tracts
- Most corticospinal tracts decussate in the
- Nerve fibers of the ___________ tract decussate in the spinal cord and are involved in regulating fine motor movements.
- Sensory impulses for fine touch, precise pressures, and body movement are carried by the _____ tracts.
- In the spinal cord, the gray matter is arranged into _____ and the white matter is arranged into ______.
- In the spinal cord, the gray matter is on the _____ and the white matter is on the ___.
- Neurons of the ventrolateral preoptic nucleus (VLPO) of the hypothalamus release _______ that promotes sleep.
- What condition is caused by a sudden failure of the RAS?
- Which of the following RAS neurotransmitters stimulates the cerebral cortex for wakefulness?
- The right side of the brain controls motor activity on the left side of the body because nerve tracts decussate in the
- Which of the following is NOT a vital function of the medulla oblongata?