교과서 질문
Lipids associate with bile salts in the small intestine to form_____ . In the enterocyte, lipids are packaged with other lipids into______.
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Ch. 22 The Digestive System
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology26
- Ch. 2 The Chemistry of Life38
- Ch. 3 The Cell55
- Ch. 4 Histology47
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System36
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System42
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart30
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity45
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
22장, 문제 18b
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
b. The esophageal and pharyngeal phases of swallowing are mediated by the swallowing reflex of the brainstem and the enteric nervous system.
검증된 단계별 안내1
Step 1: Understand the phases of swallowing. Swallowing, or deglutition, consists of three phases: the voluntary phase, the pharyngeal phase, and the esophageal phase. The voluntary phase is under conscious control, while the pharyngeal and esophageal phases are involuntary and controlled by reflexes.
Step 2: Identify the control mechanisms for the pharyngeal and esophageal phases. The pharyngeal phase is mediated by the swallowing reflex, which is controlled by the brainstem (specifically the medulla oblongata). The esophageal phase is primarily controlled by the enteric nervous system, with some input from the brainstem.
Step 3: Analyze the statement. The statement claims that both the esophageal and pharyngeal phases are mediated by the swallowing reflex of the brainstem and the enteric nervous system. This is partially correct but not entirely accurate.
Step 4: Correct the false part of the statement. The pharyngeal phase is mediated by the swallowing reflex of the brainstem, while the esophageal phase is mediated by the enteric nervous system, with some coordination from the brainstem. Therefore, the statement is false as written.
Step 5: Rewrite the corrected statement. The corrected statement should read: 'The pharyngeal phase of swallowing is mediated by the swallowing reflex of the brainstem, while the esophageal phase is mediated by the enteric nervous system, with some input from the brainstem.'
비슷한 문제에 대한 검증된 영상 답변:
이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
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주요 개념
질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.
Swallowing Reflex
The swallowing reflex is a complex series of actions initiated by the brainstem that coordinates the movement of food from the mouth through the pharynx and into the esophagus. This reflex involves both voluntary and involuntary muscle contractions, ensuring that food is safely directed into the digestive tract while preventing aspiration into the airway.
추천 영상:
3:37
Stretch Reflex
Pharyngeal Phase of Swallowing
The pharyngeal phase of swallowing is the second stage of the swallowing process, occurring after the oral phase. It is characterized by the involuntary contraction of muscles in the pharynx, which propels the bolus of food toward the esophagus while simultaneously closing off the airway to prevent choking.
추천 영상:
03:21Phases of Mitosis
Enteric Nervous System
The enteric nervous system (ENS) is a complex network of neurons that governs the function of the gastrointestinal system. Often referred to as the 'second brain,' the ENS operates independently but can communicate with the central nervous system, playing a crucial role in regulating digestive processes, including the coordination of swallowing.
추천 영상:
3:33Peripheral 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.
c. Smooth muscle of the stomach contracts when food enters from the esophagus.
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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.
e. During eating, the small intestine exhibits motion in the migrating motor complex pattern.
729
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교과서 질문
The primary hormone that triggers the secretion of pancreatic juice and bile is:
a. Gastric inhibitory peptide
b. Cholecystokinin
c. Motilin
d. Somatostatin
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교과서 질문
Which of the following is/are absorbed in the small intestine by the Na+/glucose cotransporter?
a. Glucose
b. Galactose
c. Fructose
d. Both a and b are correct
e. All of the above are correct
764
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교과서 질문
Which of the following occurs/occur during the cephalic phase of gastric acid secretion?
a. Stimulation of gastrin and histamine release
b. Direct stimulation of parietal cells
c. Inhibition of somatostatin release
d. Both a and b are correct
e. All of the above are correct
878
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