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Ch. 14 The Autonomic Nervous System and Homeostasis
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814당신이 사용하는 게 아니라요?교과서 변경
14장, 문제 9a

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.

검증된 단계별 안내
1
Step 1: Understand the role of the parasympathetic nervous system. The parasympathetic nervous system is part of the autonomic nervous system and is responsible for 'rest and digest' functions, which include promoting digestion and glandular secretion.
Step 2: Analyze the statement provided. The statement claims that the parasympathetic nervous system decreases the secretion from digestive glands.
Step 3: Compare the statement to the known function of the parasympathetic nervous system. Since the parasympathetic nervous system typically increases secretion from digestive glands to aid in digestion, the statement appears to be false.
Step 4: Correct the false statement. The corrected statement should read: 'The parasympathetic nervous system generally increases the secretion from digestive glands.'
Step 5: Confirm the correction by reviewing the physiological effects of the parasympathetic nervous system, such as stimulation of salivary glands, gastric glands, and other digestive secretions.

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주요 개념

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Parasympathetic Nervous System

The parasympathetic nervous system is a component of the autonomic nervous system responsible for promoting 'rest and digest' functions. It generally conserves energy by slowing down the heart rate and increasing intestinal and gland activity, which enhances digestion and secretion from digestive glands.
추천 영상:
1:56
Function of the Parasympathetic Nervous System

Digestive Gland Secretion

Digestive glands, including salivary glands, gastric glands, and pancreatic glands, secrete enzymes and other substances essential for digestion. The secretion of these glands is stimulated by the parasympathetic nervous system, which facilitates the breakdown of food and absorption of nutrients.
추천 영상:
01:33
Protein Secretion

Autonomic Nervous System

The autonomic nervous system regulates involuntary bodily functions, including heart rate, digestion, and respiratory rate. It consists of the sympathetic and parasympathetic nervous systems, which have opposing effects; the sympathetic system prepares the body for 'fight or flight,' while the parasympathetic system promotes 'rest and digest' activities.
추천 영상:
1:50
Somatic vs. Autonomic Nervous System
관련 실천
교과서 질문

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. Sympathetic stimulation increases sweat secretion.

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교과서 질문

Which of the following actions would you expect when sympathetic neurons release norepinephrine onto β1 receptors?

a. Decreased sweat production

b. Constriction of blood vessels serving the digestive, urinary, and integumentary systems

c. Adjustment of the shape of the lens

d. Increase in the rate and force of contraction of the heart.

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교과서 질문

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. Sympathetic tone controls the resting rate of the heart.

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교과서 질문

Mark each of the following as an effect of the sympathetic nervous system or the parasympathetic nervous system.

a. ________ Bronchodilation

b.________ Bronchoconstriction

c. ________ Constriction of pupil

d. ________ Vasoconstriction of blood vessels serving organs of digestive, urinary, and integumentary systems

e. ________ Increased metabolic rate

f. ________ Dilation of pupil

g.________ Contraction of smooth muscle of digestive tract

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교과서 질문

Explain what happens when sympathetic neurons stimulate the adrenal medulla. What purpose does this serve?

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교과서 질문

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. The parasympathetic nervous system releases acetylcholine onto all its synapses.

670
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