Domanda del libro di testo
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Increased amounts of blood flowing through the dermis lead to pallor in the skin.
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Ch. 5 The Integumentary System
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814
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TOC.tableOfContents
- Ch. 1 Introduction to Anatomy and Physiology24
- Ch. 2 The Chemistry of Life37
- Ch. 3 The Cell54
- Ch. 4 Histology46
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System35
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System41
- 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 Heart28
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity41
- 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
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Non è quello che usi tu?Cambia libro di testo
Capitolo 5, Problema 11c
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Carotene is a brown-black pigment that accumulates in the stratum corneum.
Guida verificata passo dopo passo1
Step 1: Understand the statement provided. The statement claims that carotene is a brown-black pigment that accumulates in the stratum corneum.
Step 2: Recall the properties of carotene. Carotene is actually a yellow-orange pigment, not brown-black. It is a precursor to vitamin A and contributes to the coloration of the skin.
Step 3: Identify where carotene accumulates. Carotene does accumulate in the stratum corneum, as well as in the subcutaneous fat, especially in individuals who consume a diet rich in carotene-containing foods like carrots and sweet potatoes.
Step 4: Correct the false statement. The corrected statement should read: 'Carotene is a yellow-orange pigment that accumulates in the stratum corneum.'
Step 5: Verify the corrected statement by reviewing the role of carotene in skin pigmentation and its accumulation in the stratum corneum and subcutaneous fat.
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Carotene
Carotene is a pigment found in various plants and is responsible for the yellow, orange, and red colors in many fruits and vegetables. In the human body, it can be converted into vitamin A, which is essential for vision and skin health. It is not a brown-black pigment; rather, it typically appears yellow or orange.
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02:33
Vitamin A
Stratum Corneum
The stratum corneum is the outermost layer of the skin, composed of dead keratinized cells that provide a barrier to protect underlying tissues. This layer plays a crucial role in preventing water loss and protecting against environmental damage. It does not primarily accumulate pigments like carotene, which are more associated with the dermis and epidermis.
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03:18Epidermal Layers: Stratum Corneum
Pigmentation in Skin
Skin pigmentation is primarily determined by the presence of melanin, a pigment produced by melanocytes in the epidermis. While carotene can influence skin color, especially in individuals with high dietary intake, it is not the main pigment responsible for skin tone. Understanding the role of different pigments helps clarify the inaccuracies in the statement regarding carotene.
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Pratica correlata
Domanda del libro di testo
Which type of burn involves the epidermis and all or part of the dermis?
a. First-degree burn
b. Second-degree burn
c. Third-degree burn
d. Fourth-degree burn
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Domanda del libro di testo
The pigment hemoglobin in red blood cells gives light-colored skin a pinkish hue when it binds large amounts of oxygen.
204
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Domanda del libro di testo
Epidermal ridges are created by:
a. The epidermal papillae
b. Mounds of papillary dermis arranged into dermal ridges
c. Gaps between collagen bundles in the reticular layer
d. Tight binding of the reticular layer to deeper structures
1226
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Domanda del libro di testo
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The primary skin pigment is melanin, which is derived from the amino acid tyrosine.
869
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Domanda del libro di testo
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Melanin is produced by melanocytes and covers the nuclei of neighboring dendritic cells.
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