Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 32, Problem 13SQ
Summary Introduction
Introduction: The limbic system is a collection of structures that encircles the upper part of the brain stem. This system controls the emotions, assists in memory, and correlates the organ’s activities with self-gratifying behavior.
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Match the term on the left with its correct description in the column on the right. _____ Amygdala a. Serves as the main “entryway” intothe cerebral cortex_____ Thalamus b. Contains the pyramids where thecorticospinal tracts decussate_____ Hippocampus c. Portion of the limbic systeminvolved in emotion_____ Midbrain d. Regulates homeostasis, the autonomicnervous system, the endocrinesystem, and the sleep/wake cycle_____ Medulla e. Consists of three lobes and coordinatesmovementoblongata_____ Hypothalamus f. Portion of the limbic system;involved in memory_____ Cerebellum g. Middle portion of brainstem; plays arole in movement, sleep, and arousal _____ Pons h. First component of the brainstem;participates in reflexes, sensation,and movement
The ________ connects the two cerebral hemispheres. a. limbic system b. corpus callosum c. cerebellum d. pituitary
The ____ cannot be controlled by conscious thought.
a. motor neurons
b. somatic nervous system
c. autonomic nervous system
d. skeletal muscles
Chapter 32 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 32 - ___ relay messages from the brain and .spinal cord...Ch. 32 - Prob. 1DAACh. 32 - Prob. 2DAACh. 32 - Prob. 3DAACh. 32 - Prob. 4DAACh. 32 - When a neuron is at rest, ______ a. it is at...Ch. 32 - Action potentials occur when ________ a. a neuron...Ch. 32 - True or false? Action potentials vary in their...Ch. 32 - Neurotransmitters are released by _______ a. axon...Ch. 32 - What chemicals is released by the axon terminals...
Ch. 32 - Which neurotransmitter is important in...Ch. 32 - Skeletal muscles are controlled by _________ a....Ch. 32 - When you sit quietly on the couch and read, output...Ch. 32 - Dorsal root ganglia contain _______ of sensory...Ch. 32 - Prob. 11SQCh. 32 - Neurons are arrested in ________ of the cell...Ch. 32 - Prob. 13SQCh. 32 - Commands to move your right arm start in the...Ch. 32 - Match each item with its description. ___ gray...Ch. 32 - Prob. 1CTCh. 32 - In human newborns, especially premature ones, the...
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- The _____ is a vertical sheet of white matter that bifurcates in its anterior portion and thus divides the gray matter of the thalamus into lateral, medial and anterior portions. a. Internal medullary lamina b. Intralaminar nucleus c. Fornix d. Reticular nucleusarrow_forwardA patient with brain damage and demonstrates the following symptoms: difficulty forming new memories remembering events that have happened five minutes ago Which region of the brain is MOST LIKELY to be damaged? A . amygdala B. hippocampus C. hypothalamusarrow_forward_____relay messages from the brain and spinal cord to muscles and glands. a. Motor neurons c. Interneurons b. Sensory neurons d. Neurogliaarrow_forward
- All sensory signals except _____ travel to the _____ in the brain before the cerebral cortex. a. vision; thalamus b. olfaction; thalamus c. vision; cranial nerves d. olfaction; cranial nervesarrow_forward17. Severing __________ causes lost communication between the cerebral hemispheres and the spinal cord. a. commissural fibers b. association fibers c. projection fibers d. a and c e. b and carrow_forwardMr. Pitt was diagnosed with presbyopia, which is characterized by a. a reduction in accommodative ability as a result of a loss of lens elasticity b. decreased dopamine signaling C. pronounced visual difficulty in the early teenage years d. decreased firing of bipolar neurons in the retina e. excessive refractive power in the lens system of the eyearrow_forward
- The brain stem does not include the: a. pons b. medulla oblongata c. mid brain d. thalamusarrow_forwardThe vast majority of neurons are located in the a. Outer bulges of the neocortex b. Cerebellum and brainstem C. Autonomic Nervous System d. Creases in the neocortexarrow_forwardMaria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria’s baby can awaken her immediately. What part of the brain is responsible for this reaction? a. medulla c. reticular formation b. pons d. cerebellumarrow_forward
- What brain region(s) is/are responsible for inhibiting muscle tone in the neck and core during REM sleep? A. hypothalamus B. pons and medulla C. pineal gland and hypothalamus D. basal forebrainarrow_forwardWhich of these locations in the forebrain is the master control center for homeostasis through the autonomic and endocrine systems? a. hypothalamus b. thalamus c. amygdala Chapter 15 | The Autonomic Nervous System 691 d. cerebral cortexarrow_forwardDemyelination of axon in peripheral nerves is the cause of: a. Huntington's b. Horners Syndrome c. Multiple sclerosis d. Gullian Barre Syndromearrow_forward
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