Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Chapter 12, Problem 25CYU
Roy was tackled while playing football. After hitting the ground, he was unable to move his lower limbs. What is a loss of motor function called? What level of his spinal cord do you think was injured (cervical, thoracic, lumbar, or sacral)? Is this a permanent injury? What diagnostic procedures might be helpful?
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Trevor was tackled while playing football. After hitting the ground, he was unable to move his lower limbs. What is a loss of motor function called? What level of his spinal cord do you think was injured (cervical, thoracic, lumbar, or sacral)? Is this a permanent injury?
A Case of Spinal Cord Injury
Jason is a 21 year old senior at the University of South Africa, majoring in economics. While on spring
break in Johannesburg, Jason was involved in a motorcycle accident. In the accident he was thrown from
his pike to the pavement, landing on his back. A police officer witnessed the accident and immediately
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Looking at the pictures shown of the longitudinal aspect of the spinal cord, identify and label:
• Spinal cord
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• Thoracic spinal nerves (how many?)
• Lumbar spinal nerves (how many?)
• Sacral spinal nerves (how many?)
• Cervical enlargement
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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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- Spinal Cord It had been a busy week for Amanda. She had taken three exams, and as if that wasn't stressful enough, her sister was ill and Amanda had to spend much of her time helping out at home. By the end of the week, Amanda decided to go to the beach for a walk and some genuine relaxation. The day was warm and Amanda took off her shoes so she could walk barefoot and feel the sand between her toes. Halfway down the beach, she stepped on something extremely sharp and withdrew her foot in pain. As Amanda hopped around the sand on one foot, rubbing the other to ease the pain, she decided to put her shoes back on. What type of reflex is responsible for the uninjured leg going into full extension so she can balance on one foot?arrow_forwardSpinal Cord It had been a busy week for Amanda. She had taken three exams, and as if that wasn't stressful enough, her sister was ill and Amanda had to spend much of her time helping out at home. By the end of the week, Amanda decided to go to the beach for a walk and some genuine relaxation. The day was warm and Amanda took off her shoes so she could walk barefoot and feel the sand between her toes. Halfway down the beach, she stepped on something extremely sharp and withdrew her foot in pain. As Amanda hopped around the sand on one foot, rubbing the other to ease the pain, she decided to put her shoes back on. Regarding the reflex that moved her injured foot, classify it according to the complexity of the circuit.arrow_forwardSpinal Cord It had been a busy week for Amanda. She had taken three exams, and as if that wasn't stressful enough, her sister was ill and Amanda had to spend much of her time helping out at home. By the end of the week, Amanda decided to go to the beach for a walk and some genuine relaxation. The day was warm and Amanda took off her shoes so she could walk barefoot and feel the sand between her toes. Halfway down the beach, she stepped on something extremely sharp and withdrew her foot in pain. As Amanda hopped around the sand on one foot, rubbing the other to ease the pain, she decided to put her shoes back on. As Amanda stepped on something sharp, she withdrew her foot due to reflexes. Any pain experienced would have been just AFTER she moved her foot off of the sharp object. Why is there a delay in perceiving the pain sensation?arrow_forward
- Why would a spinal injury in the cervical region result in more extensive deficits in motor and sensory function than a spinal injury in the lumbar region?arrow_forwardCan you help me the name of the spinal cord model?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
- 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_forwardMatch each cranial nerve with the type of information it carries (sensory, motor, or mixed). Study your notes first, and try to do this without looking. Group of answer choices (sensory, mixed, motor) -CN I (olfactory nerve) -CN II (optic nerve) -CN III (oculomotor nerve) -CN IV (trochlear nerve) -CN V (trigeminal nerve) -CN VI (abducens nerve) -CN VII (facial nerve) -CN VIII (vestibulocochlear nerve) -CN IX (glossopharyngeal nerve)…arrow_forwardMatch each cranial nerve with the type of information it carries (sensory, motor, or mixed). CN I (olfactory nerve) CN II (optic nerve) CN III (oculomotor nerve) CN IV (trochlear nerve) CN V (trigeminal nerve) CN VI (abducens nerve) CN VII (facial nerve) CN VIII (vestibulocochlear nerve) CN IX (glossopharyngeal nerve) CN X (vagus nerve) CN XI (spinal accessory nerve) CN XII (hypoglossal nerve)arrow_forward
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