Anatomy Test with Answers - 1496 Words

Page 429 #’s 1-7 1. List the three major parts of the brain and describe their locations. A. cerebrum- constitutes about 83% of its volume and consists of a pair of half-globes called the cerebral hemispheres. B. cerebellum- lies inferior to the cerebrum and occupies the posterior cranial fossa. C. brainstem- that which remains of the brain if the cerebrum and cerebellum are removed. 2. Gyrus- a wrinkle or fold in the cortex of the cerebrum or cerebellum. Sulcus- a groove in the surface of an organ; as in the cerebrum, the heart, or a bone. 3. Name the parts of the brainstem from caudal to rostral. Medulla oblongata, pons, midbrain, diencephalon 4. Name the three meninges from superficial to deep. Dura mater, arachnoid mater,†¦show more content†¦Less efficient signal conduction and synaptic transmission 28. Describe the neuroanatomical and behavioral changes seen in Alzheimer and Parkinson diseases. Alzheimer disease involves memory deficits, personality derangement, and loss of motor and cognitive skills. At the structurl level, it shows neurofibrillary tangles and senile plaques in the cerebral tissue, a loss of cholinergic neurons, and a low level of acetycholine in affected areas of the brain. Parkinson disease results from degeneration of dopamine-releasing neurons of the midbrain substantia nigra and is characterized by involuntary muscle contractions and progressive difficulty in motor tasks such as walking and speech. Page 477 #’s 5 and 6 5. Explain why the sympathetic division is also called the thoracolumbar division even though its paravertebral ganglia extend all the way from the cervical to the sacral region. The sympathetic chain extends for the entire length of the vertebral column, from cervical to coccygeal, but it is directly attached to the spinal cord only at levels T1 through L2. 6. Describe or diagram the structural relationships among the following; preganglionic fiber, postganglionic fiber, ventral ramus, gray ramus, white ramus, and paravertebral ganglion. Page 482 #’s 17 and 18 17. How do the pre- and postganglionic neurons of the ANS differ in embryonic origin? Preganglionic neurons of the ANS develop from the neuralShow MoreRelatedPatient Safety And Health Care1441 Words   |  6 Pagestrue† (Brasaite, 2015). Ensuring the highest quality of care possible to all patients requires understanding and adapting care to the patients’ unique needs and perspectives. Only then can high-quality care be achieved in a patient-centered manner. Anatomy of Care gives five different examples of people, all with different positions, and how each character went about his or her daily duties and the decisions each person made. 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