Download nightingale college anatomy week8 quiz with 100% correct answers.docx and more Exams Biology in PDF only on Docsity! nightingale college anatomy week8 quiz with 100% correct answers Which of the following might occur from the stimulation of parasympathetic fibers? - answer Increased peristalsis in the digestive tract Which of the following is not true of the lateral corticospinal tract fibers? - answer Most inhibit the lower motor neuron. Which part of the brain releases the hormone melatonin? - answer Pineal gland Visceral effectors are innervated by sympathetic fibers. - answer true Several "vital centers" are located in the: - answer medulla Parasympathetic neuron cell bodies are located in: - answer nuclei of the brainstem and the lateral gray columns of the sacral cord. Which of the following is not a plexus of the spinal nerves? - answer thoracic The part(s) of the cerebrum associated with anger, fear, and sorrow is (are) the: - answer limbic system. The spinal nerves are connected to the spinal cord and consist of _____ pairs. - answer 31 The innermost layer of the meninges is the: - answer pia mater. Which is not true about sympathetic postganglionic neurons? - answer They produce acetylcholine. The areas specializing in language functions are found in the left cerebral hemisphere in: - answer about 90% of the population. The pyramids are formed in the: - answer medulla There are _____ ventricles in the brain. - answer 4 Effectors that have single innervation by the autonomic nervous system are innervated only by the parasympathetic division. - answer false The brain has _____ major divisions. - answer 6 Impulses from which system play a part in arousing or alerting the cerebrum? - answer Reticular activating system The layer of the meninges that serves as the inner periosteum of the cranial bone is the: - answer dura mater. The sensory cranial nerves include only the: - answer olfactory, optic, and vestibulocochlear. If you were to damage some of the preganglionic fibers that enter the celiac ganglion, what effect would this have on sympathetic stimulation? - answer Hormones secreted by the adrenal medulla may not reach the various sympathetic effectors, thus delaying the effects of sympathetic stimulation. The autonomic nervous system includes only efferent neurons. - answer false All of the following are characteristics of sympathetic preganglionic neurons except: - answer they have long fibers from CNS to ganglion. Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? - answer brachial A patient complains of numbness in the skin of the buttocks and the posterior surface of the thigh and leg. The spinal nerve or peripheral branch most likely involved with this condition is the _____ plexus. - answer coccygeal Beta receptors: - answer bind norepinephrine. The brainstem does not include the: - answer cerebellum Axon terminals that secrete acetylcholine are called cholinergic terminals. - answer true