Textbook Question
How do fat-soluble and water-soluble vitamins differ? Which vitamins are fat-soluble?
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Ch. 23 Metabolism and Nutrition
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
Chapter 23, Problem 19
A/an ________ is a nutrient that the body requires in large quantities, whereas a/an ________ is one that the body requires in much smaller quantities. A/an ________ is a nutrient that the body cannot produce and so must be supplied from the diet.
Verified step by step guidance1
Step 1: Understand the key terms in the question. The problem is asking about three types of nutrients: one required in large quantities, one required in smaller quantities, and one that the body cannot produce and must obtain from the diet.
Step 2: Recall the classification of nutrients. Nutrients required in large quantities are called macronutrients (e.g., carbohydrates, proteins, and fats), while those required in smaller quantities are called micronutrients (e.g., vitamins and minerals).
Step 3: Identify the term for nutrients that the body cannot produce. These are called essential nutrients, which must be obtained through the diet because the body cannot synthesize them (e.g., certain amino acids, fatty acids, vitamins, and minerals).
Step 4: Match the blanks in the question with the appropriate terms based on the definitions provided. The first blank corresponds to macronutrient, the second to micronutrient, and the third to essential nutrient.
Step 5: Review the definitions and examples of macronutrients, micronutrients, and essential nutrients to ensure a clear understanding of their roles in the body.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Macronutrients
Macronutrients are nutrients that the body needs in large amounts to provide energy and support bodily functions. They include carbohydrates, proteins, and fats, which are essential for growth, metabolism, and overall health. Each macronutrient plays a unique role; for example, carbohydrates are the primary energy source, while proteins are crucial for tissue repair and growth.
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Micronutrients
Micronutrients are nutrients required by the body in smaller quantities, yet they are vital for various physiological functions. These include vitamins and minerals, which support immune function, bone health, and cellular processes. Despite being needed in lesser amounts than macronutrients, deficiencies in micronutrients can lead to significant health issues.
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Essential Nutrients
Essential nutrients are those that the body cannot synthesize on its own and must be obtained through diet. This category includes certain amino acids, fatty acids, vitamins, and minerals. For instance, omega-3 fatty acids are essential for heart health, and vitamin C is crucial for immune function, highlighting the importance of a balanced diet to meet these nutritional needs.
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Related Practice
Textbook Question
Your friend hears about the latest fad diet that consists entirely of fat. Predict the initial effects such a diet might have on your friend's concentration, memory, and other nervous system functions. Would you recommend this diet to anyone? Why or why not?
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Textbook Question
Certain diet plans claim that a person may eat all the protein he or she wants, as protein is not stored by the body. Is this claim completely accurate? Explain.
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Textbook Question
Which of the following statements is false?
a. Fiber is a polysaccharide that is completely or partially indigestible by the human body.
b. A complete protein contains all the essential amino acids.
c. Saturated fats contain hydrogen atoms arranged on opposite sides of the carbon-carbon double bond.
d. Linoleic and linolenic acid are essential fatty acids.
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Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
a. Vitamins and minerals are used as fuel sources for cells.
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