Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 49, Problem 9TYK
Summary Introduction
Introduction: Cerebrum is the major part of the brain and is divided into the right and left cerebral hemispheres. The outer portion of cerebrum is known as the cerebral cortex, which is involved in learning, perception, and voluntary movement.
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In which ways do cerebral nuclei interact with motor pathways? Select all that apply.
A. They receive impulses from the entire cerebral cortex.
B. They receive input from the hypothalamus.
C. They receive input from the limbic system.
D. They receive input from the corticospinal tract.
E. They receive input from the sensory areas.
Which of the following statements about the basal nuclei are correct? (SELECT ALL THAT APPLY)
a.) The basal nuclei get information from only parts of the cerebral cortex that are involved in movement planning
b.) Parkinson's disease is a condition that affects the normal functioning of the basal nuclei
c.) The basal nuclei have an indirect pathway that tends to excite and thus increase the activity of the output nuclei (The Globus pallidus internal segment and substantia nigra pars reticulata) of the basal nuclei.
d.) The basal nuclei have a direct pathway that tends to inhibit and thus reduce the activity of the output nuclei (The Globus pallidus internal segment and substantia nigra pars reticulata) of the basal nuclei.
Which of the following is correct about the MTL system?
a.
medial temporal lobe areas receive inputs mainly from frontal association areas
b.
medial temporal lobe areas receive inputs from many association areas in the neocortex
c.
according to the “standard model,” recent memory involves the medial temporal hippocampal system whereas remote memory involves amygdala connections with the MTL system
d.
according to the “standard model,” recent memory involves amygdala connections whereas remote memory involves the medial temporal hippocampal system
e.
Both A & C
Chapter 49 Solutions
Study Guide for Campbell Biology
Ch. 49 - The organization of an organisms nervous system...Ch. 49 - Prob. 2IQCh. 49 - Prob. 3IQCh. 49 - Identify the structures (a-g) in the following...Ch. 49 - Prob. 5IQCh. 49 - Action potentials are initiated more readily in...Ch. 49 - Prob. 1SYKCh. 49 - Prob. 1TYKCh. 49 - Prob. 2TYKCh. 49 - Prob. 3TYK
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- A presynaptic neuron in the cerebrum transmits information to hundreds of other neurons. This process is an example of (a) convergence (b) divergence (c) temporal summation (d) spatial summation (e) a graded potentialarrow_forwardThe multipolar neurones are observed in the gray matter of the histological specimen of the cerebellum cross-section. According to what morphological feature does these cells attribute to multipolar? a. Size of the cells b. Shape of the terminal axon extension c. Length of the processes d. Quantity of the processes e. Shape of the perikaryonarrow_forwardWhere does the medial corticospinal tract originate in the brain? a. From the primary motor cortex b. From the primary motor cortex plus the red nucleus c. From many parts of the cortex, plus the tectum, reticular formation, and vestibular nucleus d. From the somatosensory cortexarrow_forward
- Which of the following statements most accurately defines what "association cortex" is? a. It includes the areas of the brain that lie underneath the cortex b. It is all areas of cerebral cortex that are not primary motor or sensory areas c. It is the cortex of the cerebellum d. It describes the areas of the brain that are responsible for learning and memory e. It is all primary motor and sensory areas of cerebral cortexarrow_forwardWhat is (are) the most important route(s) for sensory information to reach the amygdala? Through a cortical route from ventral thalamus and a subcortical route from the dorso-medial thalamus Through the pulvinar thalamus to secondary cerebral cortex to association cerebral cortices Through the ventral thalamus to primary and secondary cerebral cortex to pulvinar d. Through primary and secondary cerebral cortices and the brainstem reticular formationarrow_forward(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.arrow_forward
- The motor system is organized differently in the spiral cord compared to the cortex. Choose the statement below that best describes the difference. a. Alpha motor neurons in the ventral horn are mapped according to muscle location, while cortical motor neurons are organized into purposeful movement groups. b. None of the answers. c. Alpha motor neurons in the ventral horn have a different segment-to-segment organization, while cortical motor neurons are mapped similarly to the somatosensory system. d. Alpha motor neurons in the ventral horn do not have a clear organization, while cortical motor neurons are mapped according to muscle location. e. Alpha motor neurons in the ventral horn are organized into complex movement groups, while cortical motor neurons have no clear organization.arrow_forwardReview the functional regions of the cerebral cortex by matching each description with the appropriate letter in the figure below: 1. Receives information from cutaneous and musculoskeletal receptors 2. Interprets information from cutaneous and musculoskeletal receptors 3. Receives information from hair cells in the ears 4. Interprets information from hair cells in the ears 5. Plans skeletal movements 6. Issues commands that "tell" which muscles to contractarrow_forwardCoordination and timing of movements and balance are functions of which of the following brain structures? a- basal ganglia b- motor cortex c- midbrain motor centers d- cerebellumarrow_forward
- Please ASAP.Thanku To which structures does the dorsomedial thalamus send information directly: a. Lateral nucleus of the amygdala and the secondary sensory cortices b. Orbitofrontal and Periform cortex c. Prefrontal cortex d. Nucleus basalisarrow_forwardAlthough the brain works largely as a whole, which of the following is not a correct pairing of hemisphere and function? a. left; control of right-handed motor functions b. right; control of right-handed motor functions c. right; recognition of faces d. left; readingarrow_forwardIdentify the location of the cell bodies of second order neurons of the Dorsal column medial lemniscus pathway? 1. Ventral horn 2. Dorsal root ganglia 3. Dorsal horn 4. Thalamus 5. Medullaarrow_forward
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