Biology: The Unity and Diversity of Life (Looseleaf)
15th Edition
ISBN: 9781337408417
Author: STARR
Publisher: CENGAGE L
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Chapter 32, Problem 15SQ
Summary Introduction
To match: The terms with its description.
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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
A preganglionic neuron
A.
has its unmyelinated axon extending from the ganglion to the effector
B.
has it unmyelinated axon in the CNS & the axon extends to an autonomic ganglion
C.
has its cell body in the CNS & the dendrite extends to an autonomic ganglion
D.
has its cell body in the CNS & the axon extends to an autonomic ganglion
E.
has its cell body in the CNS & the axon extends to the CNS
Match the following neurotransmitters with their correct description._____ GABA a. Neuropeptide involved in transmission of pain_________Dopamine b. Neurotransmitter released at the neuromuscular junction_____ Substance P c. Major excitatory neurotransmitter in the brain_____ Acetylcholine d. Major inhibitory neurotransmitter in the brain_____ Glutamate e. Neuropeptide involved in relief of pain_____ Endorphins f.…
Chapter 32 Solutions
Biology: The Unity and Diversity of Life (Looseleaf)
Ch. 32 - Prob. 1DAACh. 32 - Prob. 2DAACh. 32 - Prob. 3DAACh. 32 - Prob. 4DAACh. 32 - ___ relay messages from the brain and .spinal cord...Ch. 32 - When a neuron is at rest, ________ . a. it is at...Ch. 32 - An action potential begins when ___ . a. a neuron...Ch. 32 - Most human axons have a myelin sheath that ___ ....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 - In the central nervous system, all synapses are in...Ch. 32 - The brain and spinal cord develop from the...Ch. 32 - An injury ___ in the spinal cord can lead to...Ch. 32 - ___ deep in the brain plays a role in emotion. a....Ch. 32 - Commands to move your right arm start in the...Ch. 32 - Prob. 15SQCh. 32 - Prob. 1CTCh. 32 - Most tumors that originate in the brain are not...Ch. 32 - Hansen's disease, also known as leprosy, arises...
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- Match the terms with their descriptions. ____ thalamus a. coordinates motor activity ____ dopamine b. connects the hemispheres ____ limbic system c. protects brain and spinal cord from some toxins ____ corpus callosum d. one type of neurotransmitter ____ cerebral cortex e. support team for neurons ____ cerebellum f. wrap brain and spinal cord ____ neuroglia g. roles in emotion and memory ____ ganglion h. most complex integration ____ blood-brain barrier i. cluster of neuron cell bodies ____ meninges j. regulates sleep-wake cyclearrow_forwarda. gray matter b. white matter c. myelinated fibers d. unmyelinated fibers e. nodes of Ranvier Match the description to the appropriate term. a. gray matter b. white matter c. myelinated fibers d. unmyelinated fibers e. nodes of Ranvier ____ 1. Contains myelinated fibers ____ 2. Contains neuron cell bodies and unmyelinated fibers ____ 3. Axons that are white in color and conduct nerve impulses faster ____ 4. Axons that are gray in color ____ 5. Gaps in the myelin sheatharrow_forwardThe darker area that surrounds the outer most part or “bark” of the brain is made up of mostly___. A. Unmylinated axons B. Mylinated axons C. Glial cell bodies D. Even combination of mylinated axons and cell bodies E. Nueron cell bodiesarrow_forward
- When neuron is hyperpolarized,it____. A. becomes more sensitive to new stimuli B.becomes less sensitive to new stimuli C.responds as normal and is not affected at allarrow_forwardMark the following statements as true of false. If a statement is false, correct it to make a true statement. a. Ependymal cells regulate the composition and movement of cerebrospinal fluid. b. Schwann cells make myelin in the peripheral nervous system c. Microglia are neuroglial cells with an immune function. d. Oligodendrocytes repair damaged axons in the peripheral nervous system. e. Astrocytes regulate the extracellular environment of the brain and are key components of the blood-brain barrier. f. Oligodendrocytes and Schwann cells perform similar functions in different parts of the nervous system.arrow_forwardMatch each type of neuroglial cell with its correct function._____ Schwann cells a. Phagocytic cells of the CNS_____ Ependymal cells b. Surround the cell bodies of_____ Microglial cells neurons in the PNS c. Create the myelin sheath in the PNS_____ Oligodendrocytes d. Anchor neurons and blood vessels, maintain extracellular nvironment around neurons, assist in repair of damaged brain tissue_____ Satellite cells e. Create the myelin sheath in the CNS_____ Astrocytes f. Ciliated cells in the CNS…arrow_forward
- for the Spinothalamic Tract, can you show me a diagram for the pathway from the peripheral structures of the body to the location inthe brain.a. Label the location of each neuron's dendrites, cell body, and axon terminal.b. Label the location (nervous system region) of the synapses involved in this ascending pathway.c. Label the location (nervous system region) of decussations, if any.arrow_forwardT O b. Regulate the flow of somatosensory information to the brain O c. Enhance the antigravity reflexes of spinal cord and help in standing posture O d. Liberate the antigravity muscles from the reflex control of the spinal cord QUESTION 14 What is the function of the presynaptic "autoreceptors" in axon terminals? a. To release substances into the blood Ob. To detect transmitter concentrations in the cleft Oc. To release neurotransmitters into extracellular fluid Od. To release the neurotransmitter acetylcholine esc QUESTION 15 What distinguishes the ANS from the somatic motor system? a. The ANS excites its peripheral targets. Ob. The ANS balances synaptic excitation and inhibition. c. The ANS has a single function. Od. The ANS constitutes total neural output. Click Save and Submit to save and submit. Click Save All Answers to save all answers. Type here to search f1 7 ? f2 C f3 # 3 A O +&+ 4 10 f5 % LO 5 f6 D 10 A 6 f7 & 7arrow_forwardA neuron that carries information from the brain to a skeletal muscle is part of the _____. A. parasympathetic divisionB. somatic nervous systemC. autonomic nervous systemD.arrow_forward
- Damage to the axons in the spinal cord is typically permanent and debilitating. One promising avenue of treatment is transplanting certain cells into the spinal cord after injury. Which cell type is the best choice to help repair a severed axon? O a. Microglia O b. Inhibitory neurons Oc. Astrocytes O d. Schwann cells O e. Excitatory neurons O f. Oligodendrocytesarrow_forwardWhich of the following is/are found only in the PNS? a. Nerves b. Astrocytes c. Myelin d. Lipofuscin e. Unmyelinated axonsarrow_forwardA serotonin can bind to ___. A. All nuerotransporters B. Serotonin and glutamate receptors since they are both excitatory C. Only serotonin transporters D. All neurotransmitter receptors E. Only serotonin receptorsarrow_forward
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