ANATOMY PHYS INTEGR APPR W/CONNECT >CI<
2nd Edition
ISBN: 9781260229257
Author: McKinley
Publisher: MCG CUSTOM
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Chapter 15, Problem 10DYKB
Summary Introduction
Introduction:
The neurons, which release and synthesize norepinephrine (NE), is known to be the adrenergic neurons and the receptors, which bind to them, are the adrenergic receptors. The adrenergic receptors can be of 2 types; alpha and beta.
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Sympathetic stimulation to lung tissue
A. Causes activation of beta2 receptors which contract smooth muscles of airways.
B. Causes activation of beta1 receptors which relax smooth muscles of airways
C. Causes activation of beta2 receptors which relax smooth muscles of airways.
D. Causes activation of beta1 receptors which contract smooth muscles of airways
Which of the following statements about α-adrenergic receptor is CORRECT?
Select one:
a. Activation of the receptor increases blood pressure.
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c. Activation of the receptor decreases heart rate.
d. It is expressed predominantly in cardiac tissue.
e. Activation of the receptor leads to systemic vasodilation.
Which statement about nicotinic acetylcholine receptors (nAChRs) is true?
a. Each nAChR is composed of seven different protein subunits.
b. They are ionotropic receptors and conduct Na+ and Ca2+ ions across the cell membrane causing depolarization and a fast excitatory response.
c. They are ionotropic receptors and conduct K+ ions across the cell membrane, causing depolarization and a fast excitatory response.
d. They are found in all areas of the nervous system except the brain.
Chapter 15 Solutions
ANATOMY PHYS INTEGR APPR W/CONNECT >CI<
Ch. 15.1 - What criterion is used to organize the nervous...Ch. 15.1 - Prob. 2WDYLCh. 15.1 - What CNS structure is the integration and command...Ch. 15.2 - Prob. 4WDYLCh. 15.2 - Describe the general anatomic differences in the...Ch. 15.2 - Prob. 6WDYLCh. 15.3 - Which four cranial nerves have a parasympathetic...Ch. 15.3 - What organs are innervated by the pelvic...Ch. 15.4 - Prob. 9WDYLCh. 15.4 - Prob. 10WDYL
Ch. 15.4 - Prob. 11WDYLCh. 15.4 - In what ways does the adrenal medulla pathway help...Ch. 15.5 - Prob. 13WDYLCh. 15.5 - Prob. 14WDYLCh. 15.5 - Prob. 15WDYLCh. 15.5 - Prob. 16WDYLCh. 15.5 - Prob. 17WDYLCh. 15.6 - Prob. 18WDYLCh. 15.6 - Prob. 19WDYLCh. 15.6 - Prob. 20WDYLCh. 15.6 - What are the body structures innervated by the...Ch. 15.7 - Prob. 22WDYLCh. 15.7 - Prob. 23WDYLCh. 15 - A splanchnic nerve in the sympathetic division of...Ch. 15 - Some parasympathetic preganglionic neuron cell...Ch. 15 - Prob. 3DYKBCh. 15 - Prob. 4DYKBCh. 15 - Sympathetic division preganglionic axons travel to...Ch. 15 - Prob. 6DYKBCh. 15 - Prob. 7DYKBCh. 15 - A sympathetic postganglionic axon is a. long and...Ch. 15 - Prob. 9DYKBCh. 15 - Prob. 10DYKBCh. 15 - Prob. 11DYKBCh. 15 - For the following ganglia, identify the location...Ch. 15 - Prob. 13DYKBCh. 15 - Prob. 14DYKBCh. 15 - Prob. 15DYKBCh. 15 - Prob. 16DYKBCh. 15 - Prob. 17DYKBCh. 15 - What may occur with the mass activation of the...Ch. 15 - Prob. 19DYKBCh. 15 - Prob. 20DYKBCh. 15 - Prob. 1CALCh. 15 - Arlene was in a heightened state of alertness well...Ch. 15 - George has hypertension (high blood pressure). His...Ch. 15 - Prob. 4CALCh. 15 - Prob. 5CALCh. 15 - Prob. 1CSLCh. 15 - When you were younger, your parents may have told...Ch. 15 - Prob. 3CSL
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- Nicotinic receptors are located on which of the following? a. plasma membranes of ganglionic neurons b. target cells that receive parasympathetic innervation c. blood vessels in skeletal muscles d. sweat glandsarrow_forwardWhich neurotransmitter acts directly at the heart to increase heart rate? a. Norepinephrine b. Glutamate c. Acetylcholine d. GABAarrow_forwardWhich of the following statements is false? a. The sympathetic nervous system releases epinephrine and norepinephrine, which are positive chronotropic and inotropic agents. b. The endocrine system regulates cardiac output through chronotropic and inotropic hormones and through hormones that regulate water balance .c. The parasympathetic nervous system releases acetylcholine,which is a strongly negative inotropic agent. d. Factors such as electrolyte concentrations, body temperature,and age all affect cardiac output.arrow_forward
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- Atropine works by blocking acetylcholine receptors. If you add acetylcholine to the heart, followed by atropine, what would you expect to happen? Explain.arrow_forwardWhat would be the purpose of giving a drug that stimulates dopamine receptors to a stroke patient? A. To break up blood clots in the nervous system B. To increase collateral sprouting C. To combat diaschisis D. To stimulate regrowth of axonsarrow_forwardAtropine A.Tends to stimulate excitatory (sympathetic) functions. B.Increaes heart rate. C.Stimulates parasympathetic function D.Blocks parasympathetic functionarrow_forward
- When do neural discharges in the brain have their strongest effect? a. When the discharge rate of individual nerve cell is highest b. When individual nerve cells fire in regular way c. When the coherence of discharges in groups of nerve cells is greatest d. When many nerve cells have burst activityarrow_forwardWhich statement is TRUE about the blood-brain barrier (BBB)? It protects the brain. It protects the blood. It is formed by loose gap junctions between endothelial cell walls of capillaries that serve the brain. A & B A & C B & C Morphine and naloxone exert their effects in the nervous system by binding (directly) to _____ receptors. opioid dopamine acetylcholine serotonin GABAarrow_forwardWhich second messenger system is used with beta-1 adrenergic receptors? A. cyclic AMP B. ATP C. calciumarrow_forward
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