Pearson eText Human Anatomy & Physiology -- Instant Access (Pearson+)
2nd Edition
ISBN: 9780136873822
Author: Erin Amerman
Publisher: PEARSON+
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Textbook Question
Chapter 14, Problem 9CYR
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. The parasympathetic nervous system generally decreases the secretion from digestive glands.
b. Sympathetic stimulation increases sweat secretion.
c. The parasympathetic nervous system releases acetylcholine onto all its synapses.
d. Sympathetic tone controls the resting rate of the heart.
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Chapter 14 Solutions
Pearson eText Human Anatomy & Physiology -- Instant Access (Pearson+)
Ch. 14.1 - What are the basic functions of the ANS?Ch. 14.1 - 2. What are autonomic ganglia?
Ch. 14.1 - How do somatic motor neurons and autonomic neurons...Ch. 14.1 - 4. What are preganglionic and postganglionic...Ch. 14.1 - What are the two divisions of the ANS?Ch. 14.1 - How are the two divisions of the ANS alike, and...Ch. 14.2 - 1. Where are the cell bodies of sympathetic...Ch. 14.2 - Where are the cell bodies of sympathetic...Ch. 14.2 - Which neurotransmitter(s) is (are) released by...Ch. 14.2 - Prob. 4QC
Ch. 14.2 - Describe the effects of the sympathetic nervous...Ch. 14.2 - Prob. 6QCCh. 14.3 - What is the basic function of the parasympathetic...Ch. 14.3 - Where are the preganglionic parasympathetic cell...Ch. 14.3 - How does the arrangement of neurons in the...Ch. 14.3 - 4. Which neurotransmitter is released by all...Ch. 14.3 - Prob. 5QCCh. 14.3 - Prob. 6QCCh. 14.3 - Summarize the effects of the parasympathetic...Ch. 14.4 - Prob. 1QCCh. 14.4 - Prob. 2QCCh. 14.4 - 3. What is autonomic tone?
Ch. 14.4 - How does the CNS mediate control over the ANS?Ch. 14 - Which of the following best describes the basic...Ch. 14 - 2. Fill in the blanks: The sympathetic nervous...Ch. 14 - 3. Sympathetic preganglionic neurons synapse:
a....Ch. 14 - Differentiate between adrenergic and cholinergic...Ch. 14 - Prob. 5CYRCh. 14 - Explain what happens when sympathetic neurons...Ch. 14 - Prob. 7CYRCh. 14 - Mark each of the following as an effect of the...Ch. 14 - Mark the following statements as true or false. If...Ch. 14 - 10. Fill in the blanks: _______receptors are...Ch. 14 - Parasympathetic ganglia are typically: a. located...Ch. 14 - Central nervous system control over the ANS is...Ch. 14 - 1. Using 20 or fewer words, define each of the...Ch. 14 - You are running a race to the top of a mountain....Ch. 14 - 3. Describe all the changes initiated by the...Ch. 14 - 1. Which cranial nerves would be affected by a...Ch. 14 - 2. A patient, Dr. Young, has both asthma and high...Ch. 14 - Mr. Chevalier has been diagnosed with Horner...Ch. 14 - Many chemical warfare agents, such as the...
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- During surgery, the right vagus nerve was accidently cut. Explain the effect on the heart rate. a. There is no change to the heart rate because the vagus nerve does not innervate the heart. b. The heart rate increases to the inherent rhythm of SA nodal cells. c. The heart stops beating, and the heart rate becomes zero. d. The heart rate decreases to the inherent rhythm of SA nodal cells.arrow_forwardMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. The sympathetic nervous system increases blood pressure in the short term by increasing cardiac output and peripheral resistance. b. A sudden increase or decrease in blood pressure triggers the baroreceptor reflex, which is mediated by the medulla and the autonomic nervous system. c. Hormones that decrease blood volume and blood pressure include antidiuretic hormone and aldosterone. d. Angiotensin-II is a chemical that produces profound vasoconstriction. e. The kidneys control blood pressure directly through adjustment of blood volumearrow_forwardIncreased action potentials from the sympathetic nervous system would cause which of the following? a. release of acetylcholine at sinuatrial nodal cells b. release of acetylcholine at cardiac muscle cells c. increased strength of contraction d. decreased heart ratearrow_forward
- parasympathetic nerve stimulation in the heartt will result in A.decreased heart rate B.increased vescular resistence . C. decrease venous tone D. both a and barrow_forwardThe atrioventricular node is located in the: A. right atrium B. right ventricle C. septum between the right and left atrium D. juncture between the right atrium and ventricle Preganglionic parasympathetic neurons release NT that binds to: A. nicotinic acetylcholine ligand-gated receptors B. muscarinic acetylcholine GPCRs C. beta-1 norepinephrine GPCRs D. norepinephrine ligand-gated receptorsarrow_forwardActivation of the sympathetic nervous system causes: a. increased blood flow into the skin b. a decreased heart rate c. an increased heart rate d. increased digestionarrow_forward
- A fight-or-flight response in the body is controlled by thea. sympathetic division of the nervous system.b. parasympathetic division of the nervous system.c. release of acetylcholine from postganglionic neurons.d. somatic nervous system.arrow_forwardVasodilation in the heart and skeletal muscles during exercise is primarily due to the effects of a. alpha-adrenergic stimulation. b. beta-adrenergic stimulation. c. cholinergic stimulation. d. products released by the exercising muscle cells.arrow_forwardWhat is another name for the preganglionic sympathetic fibers that project to the heart?a. solitary tractb. vasomotor nervec. vagus nerved. cardiac accelerator nervearrow_forward
- Which of the following releases norepinephrine as a neurotransmitter? a. preganglionic sympathetic neurons b. preganglionic parasympathetic neurons c. postganglionic sympathetic neurons d. postganglionic parasympathetic neuronsarrow_forwardThe walls of blood vessels in the brain are formed by cells that are very tightly packed. This arrangement of cells provides which of the following properties of most brain vasculature? a. efficient removal of waste products by blood systems b. rigidity and likelihood of stroke c. most large and charged molecules cannot move from the blood to the brain d. easy access to required blood chemicals such as glucose, oxygen, and various hormones What does it mean to say that acetylcholine exerts ionotropic effects? a. It opens ion channels. b. It increases the concentration of ions within the vesicles. c. It alters the permeability of the presynaptic neuron. d. It changes the electrical charge of sodium ions from positive to negative.arrow_forwardPreparing the body for the "fight-or-flight" response is the role of the a.parasympathetic division b.somatic nervous system c.cerebrum d.sympathetic divisionarrow_forward
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