Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Chapter 12, Problem 27RQ
Summary Introduction
To review:
The formation of cerebrospinal fluid and drained and describe its pathway within and around the brain.
The result if CSF does not drain properly. The consequence more harmful in adults.
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(a) How is cerebrospinal fluid formed and drained? Describe its pathway within and around the brain. (b) What happens if CSF does not drain properly? Why is this consequence more harmful in adults?
Recall that CSF is not stagnant: it flows around the brain and spinal cord. Review the path of CSF by completing the sentences below:
Cerebrospinal fluid is formed when plasma-like fluid exits capillaries and crosses ependymal cells into the ventricles of the brain, in regions called (1)_____. CSF then flows from the (2)_____ into the (3)_____, through the (4)_____ into the (5)_____, and down into the (6)_____ or out into the (7)_____ — within which it circulates around the brain and spinal cord. CSF then exits this region through (8)_____ into (9)_____, which collect blood and "used" CSF and drain it from the brain.
(a) Make a rough drawing of the lateral aspect of the left cerebral hemisphere. (b) You may be thinking, “But I just can’t draw!” So, name the hemisphere involved with most people’s ability to draw. (c) On your drawing, locate the following areas and provide the major function of each: primary motor cortex, premotor cortex, somatosensory association cortex, primary somatosensory cortex, visual and auditory areas, prefrontal cortex, Wernicke’sand Broca’s areas.
Chapter 12 Solutions
Anatomy & Physiology
Ch. 12 - Which ventricle is surrounded by the diencephalon?Ch. 12 - Prob. 2CYUCh. 12 - Prob. 3CYUCh. 12 - What anatomical landmark of the cerebral cortex...Ch. 12 - Mike, who is left-handed, decided to wear his...Ch. 12 - Prob. 6CYUCh. 12 - Name the components of the basal nuclei.Ch. 12 - Prob. 8CYUCh. 12 - The hypothalamus oversees a branch of the...Ch. 12 - Prob. 10CYU
Ch. 12 - Prob. 11CYUCh. 12 - Prob. 12CYUCh. 12 - The limbic system is sometimes called the...Ch. 12 - When Taylor begins to feel drowsy while driving,...Ch. 12 - Prob. 15CYUCh. 12 - Which two states of consciousness are between...Ch. 12 - During which sleep stage are most skeletal muscles...Ch. 12 - Name three factors that can enhance transfer of...Ch. 12 - Which functional areas of the cerebrum are...Ch. 12 - Prob. 20CYUCh. 12 - Prob. 21CYUCh. 12 - Prob. 22CYUCh. 12 - Prob. 23CYUCh. 12 - Where are the cell bodies of the first-, second-,...Ch. 12 - 25. Roy was tackled while playing football. After...Ch. 12 - Prob. 1RQCh. 12 - 2. The innermost layer of the meninges, delicate...Ch. 12 - Prob. 3RQCh. 12 - A patient has suffered a cerebral hemorrhage that...Ch. 12 - Choose the correct term from the key to respond to...Ch. 12 - Which of the following tracts convey vibration and...Ch. 12 - Destruction of the ventral horn cells of the...Ch. 12 - Prob. 8RQCh. 12 - Prob. 9RQCh. 12 - A professor unexpectedly blew a loud horn in his...Ch. 12 - Identify the stage of sleep described by using...Ch. 12 - All of the following descriptions refer to dorsal...Ch. 12 - (a) What is the advantage of having a cerebrum...Ch. 12 - (a) Make a rough drawing of the lateral aspect of...Ch. 12 - Prob. 15RQCh. 12 - (a) What is the function of the basal nuclei? (b)...Ch. 12 - Explain how the cerebellum is physically connected...Ch. 12 - Describe the role of the cerebellum in maintaining...Ch. 12 - Prob. 19RQCh. 12 - (a) Localize the reticular formation in the brain....Ch. 12 - Prob. 21RQCh. 12 - Prob. 22RQCh. 12 - Compare and contrast short-term memory (STM) and...Ch. 12 - Define memory consolidation.Ch. 12 - 25. Compare and contrast declarative and...Ch. 12 - List four ways in which the CNS is protected.Ch. 12 - Prob. 27RQCh. 12 - Prob. 28RQCh. 12 - 29. A brain surgeon is about to make an incision....Ch. 12 - (a) Define concussion and contusion. (b) Why does...Ch. 12 - Describe the spinal cord, depicting its extent,...Ch. 12 - How do the types of motor activity controlled by...Ch. 12 - Describe the functional problems that would be...Ch. 12 - Prob. 34RQCh. 12 - How do the conditions paraplegia, hemiplegia, and...Ch. 12 - Prob. 36RQCh. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...Ch. 12 - 39-Year-Old Female with Traumatic Brain Injury...
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- Watch this animation (http://openstaxcollege.org/l/CSFflow) that shows the flow of CSF through the brain and spinal cord, and how it originates from the ventricles and then spreads into the space within the meninges, where the fluids then move into the venous sinuses to return to the cardiovascular circulation. What are the structures that produce CSF and where are they found? How are the structures indicated in this animation?arrow_forwardWhat happens to the developing brain if the CSF is not properlydrained, resulting in early hydrocephalus?arrow_forwardThe ____ and ____ are both found deep within fissures of the cerebral cortex. These two regions form a network with the amygdala and hypothalamus. Although they are also involved in other important functions, many modern imaging studies show that they activate simultaneously during the conscious experience of emotional feelings. A) anterior cingulate cortex; anterior insular cortex B) thalamus; hippocampus C) caudate nucleus; globus pallidus D) substancia nigra; ventra tegmental areaarrow_forward
- A tear in the meninges may result in the leakage of CSF. Considering the functions of CSF, predict the symptoms you would see with a CSF leak.?arrow_forward(a) List four ways in which the CNS is protected. (b) How is cerebrospinal fluid formed and drained? Describe its pathway within and around the brain.arrow_forwardA patient with a stroke cannot gaze conjugately to the left and has a spastic paralysis of the right arm and leg. What single lesion could explain the findings? What are the main motor system diseases that result from lesions affecting the functions of 1) the cerebellum and 2) the basal ganglia? What are the functions of the main lobes of cerebrum?arrow_forward
- 2(2)Answer these questions well detailed in paragraphs and explained please. A) What are the different ways to mesure brain activity? B) What is the purpose of measuring brain activity?arrow_forwardResearch suggests that PGO waves play an important role in generating REM sleep. PGO waves activate all of the following brain regions EXCEPT: A) the occipital lobes. B) the pons. C) the prefrontal cortex. D) the lateral geniculate nucleus.arrow_forwardWhich part of the cerebral cortex contains the primary motor cortex? a) occipital love b) prefrontal lobearrow_forward
- Hydrocephalus occurs when CSF accumulates in the ventricles and passageways of the brain. Assuming that CSF production isnormal, propose reasons for the accumulation of the fluid.arrow_forwardWhich of the following is an example of progressive neurological disorder? (A) multiple sclerosis (B) stroke (C) traumatic brain injury (D) cerebral palsy Give typing answer with explanation and conclusionarrow_forwardDescribe the functional problems that would be experienced by a person in which these fiber tracts have been cut: (a) lateral spinothalamic, (b) ventral and dorsal spinocerebellar, (c) tectospinal.arrow_forward
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