Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 12, Problem 17CYR
Label the following components of the corticospinal tracts with numbers 1 through 6, with 1 being the origin of the tracts and 6 their destination.
_______Medullary pyramids where most fibers decussate
________Anterior horn of the spinal gray matter
________Midbrain and pons
________Upper motor neurons in the primary motor and premotor cortices
________Corona radiata and internal capsule
________Lateral funiculus of the spinal cord
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Chapter 12 Solutions
Human Anatomy & Physiology
Ch. 12.1 - What types of functions are performed by the CNS?Ch. 12.1 - Prob. 2QCCh. 12.1 - Prob. 3QCCh. 12.1 - 4. What is the neural tube?
Ch. 12.1 - Prob. 5QCCh. 12.2 - Prob. 1QCCh. 12.2 - Prob. 2QCCh. 12.2 - Which component of the diencephalon performs each...Ch. 12.2 - Describe the basic anatomical arrangement of the...Ch. 12.2 - What is the primary function of the cerebellum?
Ch. 12.2 - Prob. 6QCCh. 12.2 - Prob. 7QCCh. 12.2 - What are the general functions of the reticular...Ch. 12.3 - 1. What are the three meninges, from superficial...Ch. 12.3 - 2. What are the three spaces (potential and...Ch. 12.3 - Prob. 3QCCh. 12.3 - Prob. 4QCCh. 12.3 - 5. What two factors create the blood brain...Ch. 12.3 - Prob. 6QCCh. 12.4 - Prob. 1QCCh. 12.4 - List and describe the three spinal meninges.Ch. 12.4 - Prob. 3QCCh. 12.4 - Prob. 4QCCh. 12.4 - What is the cauda equina?Ch. 12.4 - Prob. 6QCCh. 12.4 - Prob. 7QCCh. 12.4 - Prob. 8QCCh. 12.5 - 1. Where are the posterior columns and their two...Ch. 12.5 - Prob. 2QCCh. 12.5 - How are touch and pain processed by the cerebral...Ch. 12.5 - 4. How is the processing of olfactory stimuli...Ch. 12.6 - What is the main difference between the...Ch. 12.6 - Where do the fibers of the corticospinal tracts...Ch. 12.6 - Where do upper motor neurons reside, and what are...Ch. 12.6 - What are the two parts of the basal nuclei...Ch. 12.6 - What is the overall function of the cerebellum?Ch. 12.6 - Trace the overall voluntary movement pathway from...Ch. 12.7 - Which two body systems coordinate the maintenance...Ch. 12.7 - Which branch of the PNS controls most of the bodys...Ch. 12.7 - Prob. 3QCCh. 12.7 - Prob. 4QCCh. 12.7 - Prob. 5QCCh. 12.7 - What type of rhythm does human sleep follow?...Ch. 12.7 - 7. What is an electroencephalogram? What is the...Ch. 12.8 - 1. What is cognition? Which part of the brain is...Ch. 12.8 - What is cerebral lateralization? Which functions...Ch. 12.8 - 3. Define language in the context of neurology....Ch. 12.8 - Explain the differences between declarative memory...Ch. 12.8 - 5. How do immediate, short-term, and long-term...Ch. 12.8 - Prob. 6QCCh. 12 - The central nervous system is responsible for: a....Ch. 12 - Mark the following statements about the brain as...Ch. 12 - Prob. 3CYRCh. 12 - 4. Which statement about cerebral white matter is...Ch. 12 - Mark the following statements about the cerebral...Ch. 12 - Prob. 6CYRCh. 12 - 7. Match the term on the left with its correct...Ch. 12 - Which statement about the cranial meninges is...Ch. 12 - Prob. 9CYRCh. 12 - Prob. 10CYRCh. 12 - Mark the following statements about the spinal...Ch. 12 - Which of the following somatic sensations is not...Ch. 12 - Fill in the blanks: The tracts of the posterior...Ch. 12 - Which parts of the body have the greatest amount...Ch. 12 - Which of the following statements is false? a. The...Ch. 12 - Fill in the blanks: The cell bodies of upper motor...Ch. 12 - Label the following components of the...Ch. 12 - Mark the following statements on the role of the...Ch. 12 - 19. Fill in the blanks: The two components of the...Ch. 12 - 20. Which of the following statements is false?
a....Ch. 12 - 21. Match the term on the left with its correct...Ch. 12 - 22. The part of the brain responsible for the...Ch. 12 - Fill in the blanks: Declarative memories are...Ch. 12 - Prob. 24CYRCh. 12 - Huntingtons disease is characterized by a loss of...Ch. 12 - How could you tell the difference between an...Ch. 12 - Why do injuries to the hippocampus interfere with...Ch. 12 - Ms. Norris is brought to the emergency department...Ch. 12 - Prob. 2AYKCh. 12 - Prob. 3AYKCh. 12 - A new diet wonder drug is designed to block the...Ch. 12 - Prob. 5AYK
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- Identify the structural class(es) of neurons whose cell bodies are present in the spinal cord—unipolar, bipolar, or multipolar.arrow_forwardLabel all the nerve chords, thoracic gaglia and abdominal ganglia. State thr number of nerve chords , thoracic ganglia and abdominal ganglia isa present in the “picture”.arrow_forwardExplain the physiology of ascending pathways by placing each word or phrase into the blanks to complete the sentences. posterior horn tactile corpuscles spinoreticular tract primary somatosensory anterior horn spinothalamic tract contralateral ipsilateral prior to decussation A feather is rubbed over a section of skin on the palm of the hand, eliciting an action potential that was generated from neurons associated with Action potentials traveling in the posterior root reach the synapse with second order neurons located in the of the spinal cord. The transfer of electrical signals between first and second order neurons occurs Second order neurons ascend the spinal cord in the Arriving on the transferred to third order neurons. side of the thalamus, action potentials are Third order neurons arrive in the comprehension occurs. Reset cortex, where consciousarrow_forward
- For Figures write the name of the nerve next to the appropriate numbered blank.arrow_forwardA 40 year old male has just been diagnosed with amyotrophic lateral sclerosis, better known as Lou Gehrig’s Disease. A recent MRI has shown significant demyelination of the gracile nucleus of the dorsal columnar-medial lemniscal pathway. Describe the physiology of this pathway and discuss what neurological deficits this patient will experience due to his lesion.arrow_forwardLoss of sensation to the thumb is indicative of injury to which nerve? median Oaxillary ulnar musculocutaneous.arrow_forward
- Identify the nerve carrying the axon of the first-order neuron and the levels where the first-order neuron enters the spinal cord.arrow_forwardThe cranial motor nuclei which receive innervation only from the contralateral corticobulbar tract are :-a- nuclei of the trigeminal and vagus nervesb- nuclei of the vagus and glossopharyngeal nervesc- nuclei of the facial and hypoglossal nervesd- nuclei of the facial and glossopharyngeal nervesarrow_forwardWhy is the cauda equina ideal for performing a spinal tap and epidural anesthesiaarrow_forward
- A 78-year-old male presents for a hospital follow-up, post-stroke, two days ago. During the neurologic portion of the physical exam, the patient cannot feel the cotton tip of an applicator as you brush it along his left forehead, cheek, and jaw on the left side of his face. Based on this scenario and phsyical exam findings, which of the following cranial nerves is most likely affected? Answers: A-D A Cranial nerve 9 B Cranial nerve 12 C Cranial nerve 5 D Cranial nerve 7 Oarrow_forwardCorrectly identify and label the structures associated with this spinal plexus. Obturator nerve Femoral nerve Inferior gluteal nerve Sciatic nerve Pudendal nerve Superior gluteal nerve L4 L5 Co S1 S5 S2 S3 S4 Tibial nerve Common fibular nerve Genitofemoral nerve Posterior cutaneous nerve Resetarrow_forwardA patient with a cerebral lesion exhibits loss of fine motor control ofthe left hand, arm, forearm, and shoulder. All other motor and sensoryfunctions appear to be intact. Describe the location of the lesion asprecisely as possiblearrow_forward
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