Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Chapter 13, Problem 37CTQ
Why can the circle of Willis maintain perfusion of the brain even if there is a blockage in one part of the structure?
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Why can the circle of Willis maintain perfusion of the brain even if there is a blockage in one part of the structure?
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Chapter 13 Solutions
Anatomy & Physiology
Ch. 13 - Watch this animation...Ch. 13 - Watch this video...Ch. 13 - Watch this video...Ch. 13 - Watch this video...Ch. 13 - Watch this video...Ch. 13 - Compared with the nearest evolutionary relative,...Ch. 13 - Watch this animation...Ch. 13 - Watch this video...Ch. 13 - Watch this animation...Ch. 13 - Figure 13.20 If you zoom in on the DRG, you can...
Ch. 13 - Figure 13.22 To what structures in a skeletal...Ch. 13 - Visit this site...Ch. 13 - Aside from the nervous system, which other organ...Ch. 13 - Which primary vesicle of the embryonic nervous...Ch. 13 - Which adult structure(s) arises from the...Ch. 13 - Which non-nervous tissue develops from the...Ch. 13 - Which structure is associated with the embryologic...Ch. 13 - Which lobe of the cerebral cortex is responsible...Ch. 13 - What region of the diencephalon coordinates...Ch. 13 - What level of the brain stem is the major input to...Ch. 13 - What region of the spinal cord contains motor...Ch. 13 - Brodmanns areas map different regions of the...Ch. 13 - What blood vessel enters the cranium to supply the...Ch. 13 - Which layer of the meninges surrounds and supports...Ch. 13 - What type of glial cell is responsible for...Ch. 13 - Which portion of the ventricular system is found...Ch. 13 - What condition causes a stroke? inflammation of...Ch. 13 - What type of ganglion contains neurons that...Ch. 13 - Which ganglion is responsible for cutaneous...Ch. 13 - What is the name for a bundle of axons within a...Ch. 13 - Which cranial nerve does not control functions in...Ch. 13 - Which of these structures is not under direct...Ch. 13 - Studying the embryonic development of the nervous...Ch. 13 - What happens in development that suggests that...Ch. 13 - Damage to specific regions of the cerebral cortex,...Ch. 13 - Why do the anatomical inputs to the cerebellum...Ch. 13 - Why can the circle of Willis maintain perfusion of...Ch. 13 - Meningitis is an inflammation of the meninges that...Ch. 13 - Why are ganglia and nerves not surrounded by...Ch. 13 - Testing for neurological function involves a...
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- Describe the circle of Willis and explain its role in supplying blood to the brain.arrow_forwarddamage to the brain will always have lasting effects, but the timing of the damage is important. At what times of life is brain damage more or less likely to have significant long-term effects? Describe some of the ways in which the brain can recover function following brain damage.arrow_forwardThe middle cerebral artery (MCA) is the most common of the cerebral arteries to be affected by stroke. A patient is sent in to emergency with difficulty speaking and weakness in her right arm. She is able to follow instructions, but is unable to speak. When the doctor asks her to hold both of her arms up in front of her, her Right arm slowly drifts back down to her side. What SPECIFIC area of the brain must be affected in order to cause the weakness?arrow_forward
- Peyton felt strange when she awoke one morning. She could not hold a pen in her right hand when trying to write an entry in her diary, and her muscles were noticeably weaker on the right side of her body. Additionally, her husband noticed that she was slurring her speech, so he took her to the emergency room. What does the ER physician suspect has occurred? Where in the brain might the physician suspect that abnormal activity or perhaps a lesion is located, and why?arrow_forwardHow many cranial nerves are there in a body?arrow_forwardAn anesthetic blocks the function of the dorsal rami of the cervical spinal nerves. Which areas of the body will be affected?arrow_forward
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- Julio D., who had recently retired, was enjoying an afternoon of playing golf when suddenly he experienced a severe headache and dizziness. These symptoms were quickly followed by numbness and partial paralysis on the tipper right side of his body, accompanied by an inability to speak. After being rushed to the emergency room, Julio was diagnosed as having suffered a stroke. Given the observed neurological impairment, what areas of his brain were affected?arrow_forwardDiscuss the function of each of the following: astrocytes, oligodendrocytes, ependymal cells, in icroglia, cranium, vertebral column, meninges, cerebrospinal fluid, and blood—brain barrier.arrow_forwardA 28-year-old man had a bad fall when playing soccer. He does not lose consciousness. About 36 hours later, he develops a headache and confusion and is taken to the ED. On physical examination, he is conscious and a minor fracture is identified in the temporal area. You suspect that the patient has an intracranial hemorrhage, and send the patient to a radiologist for CT examination. Which of the following is the most likely location with the best explanation of the intracranial hemorrhage of this patient? Subdural hematoma due to rupture of bridging veins crossing the subdural space Epidural hematoma due to rupture of bridging veins crossing the subdural space Subdural hematoma due to rupture of middle meningeal artery Epidural hematoma, due to rupture of middle meningeal arteryarrow_forward
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