Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Chapter 7, Problem 8MC
Summary Introduction
Introduction:
The central nervous system (CNS) divides into a network of nerves supplying the body with the required stimulus. The motor fibers are the nerves that carry impulses from the CNS toward the effector organs, muscles, and the glands.
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Which brain structure relays incoming sensory information? a. thalamus c. reticular formation b. hypothalamus d. pons
Select the correct one, Which structure sends motor nerve signals to the deep back muscles and receives sensory nerve signals from the skin of the back?
a. posterior root
b. posterior ramus
c. anterior root
d. anterior ramus
Where is the anterior (ventral) root located in the sequence of structures through which motor impulses pass as they descent from the brain and leve the spinal cord?
A. Between anterior (ventral) gray horn and spinal nerve
B. Between spinal nerve and posterior (dorsal) root ganglion
C. Between anterior (ventral) gray horn and posterior (dorsal) gray horn
D. Between white column and posterior (dorsal) gray horn
Chapter 7 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 7 - More than one choice may apply.
1. Which of the...Ch. 7 - Prob. 2MCCh. 7 - The innermost delicate meningeal layer is the a....Ch. 7 - Prob. 4MCCh. 7 - 5. The pineal gland is located in...Ch. 7 - Prob. 6MCCh. 7 - 7. The spinal cord feature associated with the...Ch. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Motor functions of the extensor muscles of the...
Ch. 7 - 11. Neuroglia present in large numbers in areas of...Ch. 7 - 12. Which of the following is true of the...Ch. 7 - 13. What are the two great controlling systems of...Ch. 7 - Prob. 14SAECh. 7 - Prob. 15SAECh. 7 - Two major cell groups make up the nervous...Ch. 7 - Briefly explain how nerve impulses are initiated...Ch. 7 - Prob. 18SAECh. 7 - Prob. 19SAECh. 7 - Prob. 20SAECh. 7 - Prob. 21SAECh. 7 - 22. What is the function of the thalamus? The...Ch. 7 - Describe how the brain is protected by bone,...Ch. 7 - Prob. 24SAECh. 7 - Prob. 25SAECh. 7 - Prob. 26SAECh. 7 - Prob. 27SAECh. 7 - Prob. 28SAECh. 7 - Prob. 29SAECh. 7 - Prob. 30SAECh. 7 - Prob. 31SAECh. 7 - Prob. 32SAECh. 7 - Prob. 33SAECh. 7 - 34. How does a Schwann cell help insulate a nerve...Ch. 7 - Prob. 35SAECh. 7 - Prob. 36SAECh. 7 - Prob. 37CTCh. 7 - 38. Joseph, a man in his early 70s, was having...Ch. 7 - Prob. 39CTCh. 7 - Prob. 40CTCh. 7 - Prob. 41CTCh. 7 - 42. Mrs. Chen, a new mother, brings her infant to...Ch. 7 - Three-year-old Brittany is sobbing that her right...Ch. 7 - 44. Mr. Harrison is an 82-year-old bedridden...Ch. 7 - Clarence, an elderly man with a history of TIAs,...Ch. 7 - Prob. 46CTCh. 7 - Jason is the star of his hometown ice hockey team....Ch. 7 - Prob. 48CTCh. 7 - Prob. 49CTCh. 7 - As the aroma of freshly brewed coffee drifted by...
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- Which cranial nerve does not control functions in the head and neck? a. olfactoryb. trochlearc. glossopharyngeal d. vagusarrow_forwardThe vestibulocochlear nerve travels between the brain and what organ? A. Eye B. Nose C. Tongue D. Eararrow_forwardMRI of a 36-year-old woman in a car collison indicates a lesion in the flocculonadular lobe. Which deficit is she most likely to exhibit? a. Loss of position sense b. Nystagmus c. Leg but not arm weakness d. Arm but not leg weaknessarrow_forward
- What term describes the inability to lift the arm abovethe level of the shoulder?a. paralysisb. paresisc. fasciculationd. fibrillationarrow_forwardWhich structure contains the muscles that adjust the shape of the lens of the eye? A. Ciliary body B. Sclera C. Limbus D. Corneaarrow_forwardWhich region of gray matter in the spinal cord contains motor neurons that innervate skeletal muscles? a. ventral horn b. dorsal horn c. lateral horn d. lateral columnarrow_forward
- Which structure is highlighted? A. lateral white column B. lateral funiculus C. lateral horn D. lateral corticospinal tractarrow_forwardThe part of the nervous system that detects stimuli from receptors in the skin is the? A. Somatic motor system B. Somatic sensory system C. Autonomic motor system D. Visceral sensory systemarrow_forwardIf you were to develop a rare condition in which you were not able to remember to be afraid of certain situations, animals, or events, which part of the brain would most likely be damaged? a. cingulate cortex c. thalamus b. hypothalamus d. amygdalaarrow_forward
- Motor neurons are crucial for movement, what would happen if the motor neurons would be destroyed. a. How would this affect our reflexes b. Research illnesses that affect Motor Neuronsarrow_forwardWhich nerve is responsible for taste, as well as salivation, in the anterior oral cavity? a. facial b. glossopharyngeal c. vagus d. hypoglossalarrow_forwardname the structure a. ventral root b. anterior white column c. posterior/ dostal root d. posterior/ doesal root ganglion e. sensory nervesarrow_forward
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The Sensorimotor System and Human Reflexes; Author: Professor Dave Explains;https://www.youtube.com/watch?v=M0PEXquyhA4;License: Standard youtube license