EBK HUMAN BIOLOGY
11th Edition
ISBN: 8220100545931
Author: MCMILLAN
Publisher: Cengage Learning US
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Chapter 5, Problem 1CT
Growth hormone, or GH, is used medically to spur growth in children who are unusually short because they have a GH deficiency. However, it is useless for a short but otherwise normal 25-year-old to request GH treatment in order to grow taller. Why?
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The conditions of gigantism and pituitary dwarfism are extreme opposite conditions of adult height.
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Your friend Bud has the talent to be a star basketball center—if only he weren’t 5 foot 8. Being well- intentioned but ignorant, you start injecting him with growth hormone as he sleeps each night. You. think this is a clever strategy, but after a time you notice that he hasn’t grown an inch. Instead, his jaw and forehead seem to have gotten disproportionately large and his hands and feet are swollen. Explain why the growth hormone didn’t make Bud grow taller and why it had the effect it did. What disease state do these changes mimic?
Chapter 5 Solutions
EBK HUMAN BIOLOGY
Ch. 5 - Describe the basic elements of bone tissue.Ch. 5 - What are the two types of bone tissue, and how are...Ch. 5 - Describe how bone first develops.Ch. 5 - Explain why bone remodeling is important, and give...Ch. 5 - Name the two main divisions of the skeleton.Ch. 5 - How does a tendon differ from a ligament?Ch. 5 - What are intervertebral disks made of and what is...Ch. 5 - What is a joint?Ch. 5 - What is the defining feature of a synovial joint?Ch. 5 - Prob. 1SQ
Ch. 5 - Bone tissue contains ______. a. living cells b....Ch. 5 - ______are shock pads and flex points. a. Vertebrae...Ch. 5 - The hollow center of an osteon (Haversian system)...Ch. 5 - Prob. 5SQCh. 5 - Mineralization of bone tissue requires_______. a....Ch. 5 - Bone remodeling has all of the following functions...Ch. 5 - The axial skeleton consists of the ______, while...Ch. 5 - Prob. 9SQCh. 5 - Match the terms and definitions.Ch. 5 - Growth hormone, or GH, is used medically to spur...Ch. 5 - If bleached human bones found lying in the desert...Ch. 5 - Prob. 3CTCh. 5 - The anterior cruciate ligament (ACL) helps...
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- Growth hormone is administered to people who have pituitary dwarfism. Parents wanting their normal children to be taller have requested the treatment for them. Do you think this is a wise request? Why or why not?arrow_forwardSelect ALL the statements that are correct. Growth hormone production is inhibited by somatostatin. Growth hormone production is stimulated by the release of the tropic hormone GHRH in the hypothalamus. Growth hormone production is inhibited by IGF-1 which is secreted by the liver. Gigantism and acromegaly differ in that gigantism is due to oversecretion of GHRH, not GH.arrow_forwardList the major hormones that control growth.arrow_forward
- hGH stimulates the liver to excrete growth factors. In combination with each other, hGH and growth factors affect many body processes.One role of hGH is to metabolize fats. Another hormone in the body that has a similar role to hGH and the gland that secretes that hormone are respectively: Select one: a. Hormone Gland Parathyroid hormone Thyroid gland b. Hormone Gland Thyroxine Thyroid gland c. Hormone Gland Parathyroid hormone Parathyroid gland d. Hormone Gland Thyroxine Parathyroid glandarrow_forwardWhy does change in growth hormone lead to gigantism or dwarfism ?arrow_forwardExplain the effect of hormones in growth.arrow_forward
- A child has come into the ER with a broken arm and upon taking an X-Ray you have scovered that both bones of the forearm are broken, but closed. The child's parents are extremely concerned about future growth as this child gets older. Explain to the parents about the healing process and predict if there will be any issues with the growth plate as the child gets older. 三 X2 x2 #3 四 四 囲arrow_forwardWrite briefly on the relationship between growth hormones and somatostadins with respect to growtharrow_forwardWhich of the following statements about growth hormone or its function is FALSE?arrow_forward
- The parents of 14-year old Megan are concerned about her height because she is only 4 fee tall and they are both close to 6 feet tall. After tests by their doctor, certain hormones are prescribed for the girl. What is the probable diagnosis? What hormones are prescribed, and why might the girl expect to reach normal height?arrow_forwardHuman growth hormone is being researched as a potential anti-aging drug. What is the most likely way that would scientists produce large amounts of growth hormone?arrow_forwardWhy does the release of cortisol during the stress response have a negative effect on bone density? Cortisol increases serum calcium to fuel muscle contraction during the fight or flight responseCortisol reduces estrogen production and triggers early menopause Cortisol draws calcium out of the bones to increase serum calcium to fuel muscle contraction during the fight or flight response Cortisol decreases calcium to fuel muscle contraction during the fight or flight responsearrow_forward
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