Fundamentals Of Anatomy And Physiology {nasta}
11th Edition
ISBN: 9780134576008
Author: MARTINI & NATH
Publisher: PEARSON
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Question
Chapter 5, Problem 29RQ
(a)
Summary Introduction
To determine:
The role of sunlight in promoting the bone maintenance and growth.
Introduction:
Sunlight is an essential component in growing children. The exposure to sunlight helps in formation of vitamin D3 which is very essential for formation of health bones, as vitamin D3 helps in absorption of calcium into bones. Lack of vitamin D3 can result in weakness of bones and muscles.
(b)
Summary Introduction
To determine:
The measures that can be taken to minimize the impaired formation of bones in children who reside in places with low exposure to sunlight.
Introduction:
Sunlight is an essential component in growing children. The exposure to sunlight helps in formation of vitamin D3 which is very essential for formation of health bones, as vitamin D3 helps in absorption of calcium into bones. Lack of vitamin D3 can result in weakness of bones and muscles.
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ates)
5) Contrast bone modeling and bone remodeling:
a) bone remodeling makes the bone grow wider, while bone modeling
replaces old bone cells
b) bone modeling makes the bone grow wider, while bone remodeling
replaces old bone cells
c) bone modeling makes the bone grow longer, while bone remodeling
replaces old bone cells
::
d) bone remodeling makes the bone grow longer, while bone modeling
replaces old bone cells
6) What is the relationship in the relative activity of osteoblasts and
osteoclasts during osteoporosis?
a) osteoclasts are more active than osteoblasts
b) ostoblasts are more active than osteoclasts
c) osteoblasts and osteoclasts have the same activity level
d) none of these
Text Predictions: On
O
Focus
a) Describe age-associated changes in human bone and their consequences in terms of physiological function
b) Discuss how keeping physically active may help to maintain physiological function in human bone during the ageing process
How is sunlight important to bone health?
Chapter 5 Solutions
Fundamentals Of Anatomy And Physiology {nasta}
Ch. 5 - Identity the layers of the epidermis.Ch. 5 - Dandruff is caused by excessive shedding of cells...Ch. 5 - A splinter that penetrates to the third layer of...Ch. 5 - Why does taking a bath cause wrinkly fingertips...Ch. 5 - Some criminals sand the Lips of their fingers so...Ch. 5 - Prob. 6CPCh. 5 - Prob. 7CPCh. 5 - Prob. 8CPCh. 5 - Prob. 9CPCh. 5 - Prob. 10CP
Ch. 5 - Prob. 11CPCh. 5 - Prob. 12CPCh. 5 - Prob. 13CPCh. 5 - Name the two major pigments in the epidermis.Ch. 5 - Why does exposure to sunlight darken skin?Ch. 5 - Prob. 16CPCh. 5 - Prob. 17CPCh. 5 - Prob. 18CPCh. 5 - Describe a typical strand of hair.Ch. 5 - What happens when the arrector pili muscle...Ch. 5 - Once a burn on the forearm that destroys the...Ch. 5 - Prob. 22CPCh. 5 - Prob. 23CPCh. 5 - Prob. 24CPCh. 5 - Which type of skin gland is most affected by the...Ch. 5 - Prob. 26CPCh. 5 - Prob. 27CPCh. 5 - Prob. 28CPCh. 5 - Prob. 29CPCh. 5 - Why can skin regenerate effectively even after...Ch. 5 - Prob. 31CPCh. 5 - Why does hair turn while or gray with age?Ch. 5 - Prob. 1RQCh. 5 - The two major components of the integumentary...Ch. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - The accessory structures of the integument include...Ch. 5 - Prob. 9RQCh. 5 - Prob. 10RQCh. 5 - Prob. 11RQCh. 5 - The primary function of sensible perspiration is...Ch. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - What two major layers constitute the dermis, and...Ch. 5 - List the four phases in the regeneration of the...Ch. 5 - Contrast insensible perspiration and sensible...Ch. 5 - Prob. 21RQCh. 5 - Prob. 22RQCh. 5 - Prob. 23RQCh. 5 - Prob. 24RQCh. 5 - Prob. 25RQCh. 5 - Prob. 26RQCh. 5 - Prob. 27RQCh. 5 - Prob. 28RQCh. 5 - Prob. 29RQCh. 5 - One of the factors to which lie detectors respond...Ch. 5 - Prob. 31RQCh. 5 - Prob. 1CCCh. 5 - Grandpa has trouble when its hot outside Whats...
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- 2) In bone homeostasis, vitamin C is required for: a) collagen synthesis. b) absorption of calcium. c) immune system function. d) routine osteoblast activity.arrow_forwardWhat are some measures that can be taken to ensure good bone health a) during childhood ? b) after menopause ?arrow_forwardIf you soak a bone in bleach, it will become very brittle and break easily. What component of bone does bleach destroy? Explainarrow_forward
- 6) which of the following is an organic component of the bone matrix? a) phosphate b) collagen c) hydroxyapatite d) calciumarrow_forwardWhich of the following nutrients is most important for bone development? A) ProteinB) CalciumC) PottassiumD) Carbohydratearrow_forwardImmediately after a person has his or her ears (or other body parts) pierced, a solid 14K gold post should be used to keep the hole open as it heals. (a) Explain why solid gold is preferred over other metals, such as steel. (b) Why do you think that a gold-plated steel post might not offer the same protection as the solid gold post? (c) Surgical steel is often used as the metal post in a newly pierced ear because it is less expensive than gold. Using the Internet or other resources, find the composition of surgical steel.arrow_forward
- 1) At the epiphyseal plate some chondrocytes undergo hypertrophy. This means they: a) increase in number. b) increase in size. c) accumulate calcium. d) bind to the ossification center.arrow_forwardWhat constitutes the largest part of a bone? a) Osteocytes b) Proteoglycans c) Collagen d) Hydroxyapatitearrow_forward9) This cell is active once the matrix of bone calcifies. The cells sits in a lacunae. a) osteoprogenitor cells b) osteoclasts (c) osteocytes d) osteoblasts e) chondroblasts 10) What are the extracellular fluid filled extensions of the lacunae called? a) interosteonic (perforating) canals b) osteonic (Haversian) canals d) canaliculi e) perforating (Sharpey's) fibers c) concentric lamellae 11) Which two minerals are needed in large quantities when bones are growing? a) calcium and chlorine d) manganese and sulfur b) magnesium and sulfur c) calcium and phosphorous e) potassium and phosphorous 12) In endochondral ossification, what is the original source of osteoblasts? a) endoderm (b) mesenchyme e) ectoderm c) mucus connective tissue (d) osteoprogenitor cellsarrow_forward
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