Human Anatomy
5th Edition
ISBN: 9780073403700
Author: Kenneth S. Saladin Dr.
Publisher: McGraw-Hill Education
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Question
Chapter 6, Problem 10TOF
Summary Introduction
To determine:
If the given statement is true or false.
Introduction:
The parathyroid gland is an endocrine which is involved in the regulation of the calcium levels in the body. It secretes a major hormone known as parathyroid hormone or PTH.
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For each of the following scenarios explain how blood calcium would be effected (increased or decrease) and describe the pathway that results in an alteration of calcium levels.
A: Jackie goes on a tropical vacation.
B: Larry has takes a medication that osteoblasts more active.
C: Lisa has an operation to remove her parathyroid glands.
Explain the roles of parathyroid hormone and calcitonin in the calcium level in the blood.
Calcitriol and parathyroid hormone are:
synergistic hormones
antagonistic hormones
Chapter 6 Solutions
Human Anatomy
Ch. 6 - Components of the skeletal system, including but...Ch. 6 - Seven function of the skeletal systemCh. 6 - The constituents of a bone, including but not...Ch. 6 - Prob. 6.1.4AYLOCh. 6 - The spatial relationship between compact and...Ch. 6 - Prob. 6.1.6AYLOCh. 6 - Prob. 6.1.7AYLOCh. 6 - Prob. 6.2.1AYLOCh. 6 - The spectalized structure of an osteocyte and how...Ch. 6 - Prob. 6.2.3AYLO
Ch. 6 - The composition of the bone matrix and the...Ch. 6 - Prob. 6.2.5AYLOCh. 6 - Prob. 6.2.6AYLOCh. 6 - The two kinds of bone marrow, their locations in...Ch. 6 - The two modes of bone development (ossification)...Ch. 6 - Prob. 6.3.2AYLOCh. 6 - The stages of endochondral ossification, replacing...Ch. 6 - Structural differences between the endochondral...Ch. 6 - The zones of tissue found in the metaphysis of a...Ch. 6 - Prob. 6.3.6AYLOCh. 6 - How bones grow in thickness and change shape even...Ch. 6 - Prob. 6.3.8AYLOCh. 6 - The nutrients needed for bone growth and...Ch. 6 - Hormones that regulate bone growth and remodelingCh. 6 - Prob. 6.3.11AYLOCh. 6 - Prob. 6.4.1AYLOCh. 6 - Prob. 6.4.2AYLOCh. 6 - Prob. 6.4.3AYLOCh. 6 - Prob. 6.4.4AYLOCh. 6 - Osteoporosis risk factors, prevention, diagnosis,...Ch. 6 - Which cells have a ruffled border and secrete...Ch. 6 - The medullary cavity of a child’s bone may contain...Ch. 6 - The long bones of the limbs grow in length by cell...Ch. 6 - Prob. 4TYRCh. 6 - Prob. 5TYRCh. 6 - Prob. 6TYRCh. 6 - Prob. 7TYRCh. 6 - Prob. 8TYRCh. 6 - Prob. 9TYRCh. 6 - Prob. 10TYRCh. 6 - Prob. 11TYRCh. 6 - Prob. 12TYRCh. 6 - Prob. 13TYRCh. 6 - Prob. 14TYRCh. 6 - Prob. 15TYRCh. 6 - Prob. 16TYRCh. 6 - Prob. 17TYRCh. 6 - Prob. 18TYRCh. 6 - Prob. 19TYRCh. 6 - Prob. 20TYRCh. 6 - Prob. 1BYMVCh. 6 - Prob. 2BYMVCh. 6 - Prob. 3BYMVCh. 6 - Prob. 4BYMVCh. 6 - Prob. 5BYMVCh. 6 - Prob. 6BYMVCh. 6 - Prob. 7BYMVCh. 6 - Prob. 8BYMVCh. 6 - Prob. 9BYMVCh. 6 - State a meaning of each word element and give a...Ch. 6 - Determine which five of the following statements...Ch. 6 - Prob. 2TOFCh. 6 - Briefly explain why each of the following...Ch. 6 - Prob. 4TOFCh. 6 - Briefly explain why each of the following...Ch. 6 - Prob. 6TOFCh. 6 - Prob. 7TOFCh. 6 - Prob. 8TOFCh. 6 - Prob. 9TOFCh. 6 - Prob. 10TOFCh. 6 - Prob. 1TYCCh. 6 - Prob. 2TYCCh. 6 - One of the more common fractures in children and...Ch. 6 - Prob. 4TYCCh. 6 - Prob. 5TYC
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- Explain that PTH and calcitonin act in a complementary way to control blood calcium levelarrow_forwardWhat effect does calcitonin have on blood calcium concentration, and how does it produce this effect? Answerthe same questions for parathyroid hormone.arrow_forwardDescribe the structural characteristics and function of the parathyroid glands. Describe the particular the role of PTH in calcium homeostasis. Describe the role of calcitonin on calcium homeostasisarrow_forward
- Which cause-and-effect relationship is correct for a deficiency of active vitamin D (calcitriol)? bone formation is increased because vitamin D blocks the action of PTH on bone resorption osteoporosis, but not osteomalacia, is associated with a calcitriol deficiency because calcitriol synergizes with PTH in its action on bone hypophosphatemia occurs because of decreased intestinal phosphate absorption hypercalcemia occurs because of decreased intestinal calcium absorptionarrow_forwardHypersecretion of parathyroid hormone will: Group of answer choices inhibit osteoclast activity result in a faster rate of bone deposition enhance renal reabsorption of calcium inhibit of intestinal absorption of calciumarrow_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_forward
- Please answer this following question in your own words: Question 1: An individual with very low levels of vitamin D presents themselves to you complaining of seemingly fragile bones. Explain how these might be connected. Also, describe the effects caused when the parathyroid gland fails to respond to calcium bound to its receptors?arrow_forward1,25-dihydroxycholecalciferol: increases bone mineralization by increasing serum Ca levels decreases bone reabsorption by antagonizing the action of PTH on bone decreases serum phosphate levels by decreasing renal phosphate reabsorption decreases serum alkaline phosphatase levels by decreasing bone turnoverarrow_forwardWhat may happen if the blood concentration of calcium falls after a thyroid surgery?arrow_forward
- Describe the homeostatic control of plasma calcium levels by answering the following two questions: What role does calcitonin play in the maintenance of serum calcium? Give reference to the gland involved in secretion, the bone cells stimulated by calcitonin and the effects of calcitonin. Describe the role parathyroid hormone (PTH) has in the maintenance of serum calcium, giving reference to the gland involved, the particular bone cells stimulated and the major effects of PTH.arrow_forward10 days after thyroid surgery, a patient returns to his physician complaining of problems that have gradually developed in the intervening period. It is determined that he has parathyroid deficiency due to inadvertent damage to the parathyroid glands because his signs and symptoms include Group of answer choices a low plasma Ca2+ level, increased muscular excitability, and spasm of the muscles of the upper extremity (Trousseau sign) low plasma phosphate and Ca2+ levels and tetany low plasma phosphate and Ca2+ levels and tetanus increased muscular excitability, a high plasma Ca2+ level, and bone demineralization.arrow_forwardWhich of the following is false? parathyroid hormone is produced by the parathyroid gland parathyroid hormone increases urination of calcium Oparathyroid hormone stimulates osteoclasts parathyroid hormone increases calcium concentration in the bloodarrow_forward
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