Domanda del libro di testo
Why is it important for a surgeon to choose—when possible—an incision pattern according to the skin's tension lines?
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Ch. 5 The Integumentary System
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy & PhysiologyISBN: 9780137854011
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TOC.tableOfContents
- Ch. 1 An Introduction to Anatomy and Physiology25
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization29
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure33
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses15
- Ch. 18 The Endocrine System21
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation26
- Ch. 22 The Lymphatic System and Immunity25
- Ch. 23 The Respiratory System4
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes30
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance17
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy & PhysiologyISBN: 9780137854011Non è quello che usi tu?Cambia libro di testo
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Martini, Nath, Bartholomew 12th EditionCh. 5 The Integumentary SystemProblema 29a
Martini, Nath, Bartholomew 12th EditionCh. 5 The Integumentary SystemProblema 29aCapitolo 5, Problema 29a
Exposure to optimum amounts of sunlight is necessary for proper bone maintenance and growth in children.
(a) What does sunlight do to promote bone maintenance and growth?
Guida verificata passo dopo passo1
Understand that sunlight exposure helps the skin produce vitamin D, which is crucial for bone health.
Recognize that vitamin D increases the absorption of calcium and phosphate from the digestive tract into the bloodstream.
Know that calcium and phosphate are essential minerals required for the mineralization and strengthening of bone tissue.
Connect that without sufficient vitamin D from sunlight, calcium absorption decreases, leading to weaker bones and potential growth issues in children.
Summarize that sunlight promotes bone maintenance and growth by enabling vitamin D synthesis, which in turn facilitates proper mineral absorption necessary for healthy bone development.
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Role of Sunlight in Vitamin D Synthesis
Sunlight, specifically UVB rays, triggers the skin to produce vitamin D, which is essential for calcium absorption. Without adequate sunlight exposure, vitamin D levels drop, impairing bone health.
Vitamin D and Calcium Absorption
Vitamin D enhances the intestines' ability to absorb calcium from food, a critical mineral for bone formation and strength. Proper calcium absorption ensures bones grow and maintain their density.
Bone Growth and Maintenance in Children
During childhood, bones are actively growing and remodeling, requiring sufficient nutrients like calcium and vitamin D. Adequate sunlight exposure supports this process by facilitating vitamin D production, promoting healthy bone development.
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The fibrous protein that is responsible for the strength and water resistance of the skin surface is
(a) Collagen
(b) Eleidin
(c) Keratin
(d) Elastin
(e) Keratohyalin
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In clinical practice, drugs can be delivered by diffusion across the skin. This delivery method is called transdermal administration. Why are fat-soluble drugs more suitable for transdermal administration than drugs that are water soluble?
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