Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
6th Edition
ISBN: 9780134206332
Author: Elaine N. Marieb, Lori A. Smith
Publisher: PEARSON
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Textbook Question
Chapter 14.3, Problem 5CYU
In general terms, where are the cell bodies of preganglionic parasympathetic neurons that innervate the head? Where are the cell bodies of postganglionic parasympathetic neurons innervated by the vagus nerve?
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A)The following structure in the figure is the cell body of a post-ganglionic parasympathetic neurone: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
B) The following structure in the figure is the cell body of a pre-ganglionic sympathetic neurone: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
C) The following structure in the figure is the cell body of a general somatic efferent neurone: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
Which statement is true regarding the neuron synapse?
A) the preganglion and post ganglionic Neurons physically touch
B) a neuronal synapse consists of dendrites on a peeganglionic neuron and the axon terminal is a postganglionic neuron
C) binding of a neurotransmitter on a post ganglionic neuron always generates an action perennial
D) neurotransmitters can be degraded by enzymes within the synaptic cleft to terminate its effect
How does the emergence of sympathetic preganglionic fibers from the spinal cord differ from the emergence of parasympathetic preganglionic fibers?
Chapter 14 Solutions
Laboratory Manual for Anatomy & Physiology (6th Edition) (Anatomy and Physiology)
Ch. 14.1 - Name the three types of effectors of the autonomic...Ch. 14.1 - Which relays instructions from the CNS to muscles...Ch. 14.1 - MAKING CONNECTIONS The cell bodies of autonomic...Ch. 14.2 - Which branch of the ANS would predominate if you...Ch. 14.3 - In general terms, where are the cell bodies of...Ch. 14.4 - Prob. 6CYUCh. 14.5 - Prob. 7CYUCh. 14.6 - Prob. 8CYUCh. 14.7 - Prob. 9CYUCh. 14.8 - Prob. 10CYU
Ch. 14.9 - Prob. 11CYUCh. 14 - All of the following characterize the ANS except...Ch. 14 - Relate each of the following terms or phrases to...Ch. 14 - The white rami communicates contain what kind of...Ch. 14 - Collateral sympathetic ganglia are involved with...Ch. 14 - Briefly explain why the following terms are...Ch. 14 - Describe the anatomical relationship of the white...Ch. 14 - Prob. 7SAQCh. 14 - Which of the effects listed in response to...Ch. 14 - Which ANS fibers release acetylcholine? Which...Ch. 14 - Describe the meaning and importance of sympathetic...Ch. 14 - Prob. 11SAQCh. 14 - Describe the importance of the hypothalamus in...Ch. 14 - Postganglionic neurons are also called ganglionic...Ch. 14 - 10-Year-Old Boy with Spinal Injury On arrival at...Ch. 14 - 10-Year-Old Boy with Spinal Injury On arrival at...Ch. 14 - 10-Year-Old Boy with Spinal Injury On arrival at...Ch. 14 - Prob. 4CCSCh. 14 - 10-Year-Old Boy with Spinal Injury On arrival at...Ch. 14 - Prob. 6CCSCh. 14 - 10-Year-Old Boy with Spinal Injury On arrival at...Ch. 14 - Prob. 8CCS
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- 3) Which of the following describes the sympathetic branch of the autonomic nervous system? a) Long myelinated preganglionic fibers, short nonmyelinated postganglionic fibers b) Long nonmyelinated preganglionic fibers, short myelinated postganglionic fibers c) Short myelinated preganglionic fibers, long nonmyelinated postganglionic fibers d) Short nonmyelinated preganglionic fibers, long myelinated postganglionic fibersarrow_forwardWhich of the following describes the disinhibition in the direct pathway of the basal ganglia? Question 6 options: A) Subthalamic nucleus inhibits internal segment of the globus pallidus which disinhibits substantia nigra B) Substantia nigra inhibits striatum which disinhibits the subthalamic nucleus C) Striatum inhibits internal segment of the globus pallidus which disinhibits thalamus D) Striatum inhibits external segment of the globus pallidus which disinhibits thalamusarrow_forwardWhere do preganglionic axons synapse with thepostganglionic neurons in spinal and sympathetic nerves?arrow_forward
- Based on the attached figure (Fig. 18.7B in the textbook), what would an increase in activation of D1 receptor-expressing spiny neurons in the striatum cause in downstream basal ganglia structures? Direct and indirect pathways Substantia D1 nigra pars D2 compacta (transient) Frontal cortex Cerebral cortex (transient) + (transient) + (transient) Caudate/putamen VA/VL complex of thalamus (transient) (transient) Globus pallidus, Globus pallidus, external segment internal segment 0 (tonic) (tonic) + (transient) Subthalamic nucleus OA. decreased activity in the globus pallidus external segment (GPe B. decreased activity in the cortex C. increased activity in the subthalamic nucleus (STN) D. decreased activity in the thalamus E. decreased activity in the globus pallidus internal segment (GPI) Parafascicular nucleusarrow_forwardWhere are the cell bodies of sympathetic preganglionicneurons located?arrow_forward52) which of the following is mismatched? a) parasympathetic preganglionic fibers; release ACh b) parasympathetic postganglionic fibers; release NE c) sympathetic preganglionic fibers; release ACh d) sympathetic postganglionic fibers; release NEarrow_forward
- Which of the following is not true regarding the parasympathetic nervous system? (A) The cell body of the presynaptic neuron is located in the gray matter of the CNS. (B) The cell body of the postsynaptic neuron is located in an autonomic ganglion out- side the CNS. (C) The postsynaptic neuron emits norepi- nephrine. (D) Its neurons are craniosacral in origin. (E) It promotes quiet and orderly processes of the body.arrow_forwardA) The neuron labelled "D" in the figure is what class of functional neuron?: 3rd-order? lower motor neurone? upper motor neurone? 2nd-order? bipolar? unipolar? B) The message in the pleural pathway in figure 3 comes from the: occipital lobe? skeletal muscle? somatosensoty cortex? temporal lobe? receptors? parietal lobe? frontal lobe? C) Damage to this structure in the figure would affect the ability to move your RIGHT leg: A, B, C, D, E, F, Garrow_forwardThe cell bodies of autonomic postganglionic neurons are found in ANS ganglia. The cell bodies of another class of neuron are also found in ganglia (but not ANS ganglia). What are these other ganglia called? Determine the structural and functional classification of the neurons found in these other ganglia.arrow_forward
- Can you explain the physiologic basis of these results following the stimulation of the central stump of the vagus nerve? Pupil size (increased) Cardiac Rate (increased) MAP (increased) RR (increased) Intrapleural pressure (increased) Intestinal movement (decreased) Urine output (decreased)arrow_forwardWhere do preganglionic axons that form splanchnicnerves (except those to the adrenal gland) synapse withpostganglionic neurons?arrow_forwardWhat types of axons (preganglionic or postganglionic,myelinated or unmyelinated) are found in the white andgray rami communicantes?arrow_forward
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