Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 6, Problem 36RQ
With respect to their direct effects on osseous tissue, which pair of hannones has actions that oppose each other?
- estrogen and testosterone
- calcitonin and calcitriol
- estrogen and progesterone
- calcitonin and parathyroid hormone
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Which one inhibits osteoclasts?
. cholecalciferol
. calcifediol
. calcitonin
. calcitriol
. PTH
All of the following result in decreased calcium levels in the bloodstream except...
calcitonin inhibition of osteoclasts
pth stimulation of osteoclasts
increased calcitonin levvels
decreased pth or calcitriol levels
The hormone _______ causes _______ in the osteoclast activity that results in ____ of calcium ion concentration in the bloodstream
Group of answer choices
parathyroid hormone, decrease, increase
calcitonin, increase, increase
parathyroid hormone, increase, increase
calcitonin, decrease, decrease
1,25-dihydroxyvitamin D, decrease, increase
1,25-dihydroxyvitamin D, increase, decrease
Chapter 6 Solutions
Anatomy & Physiology
Ch. 6 - Which function of the skeletal system would be...Ch. 6 - Bone tissue can be described as ________. dead...Ch. 6 - Without red marrow, bones would not be able to...Ch. 6 - Yellow marrow has been identified as ________. an...Ch. 6 - Which of the following can be found in areas of...Ch. 6 - The skeletal system is made of ________. a....Ch. 6 - Most of the bones of the arms and hands are long...Ch. 6 - Sesamoid bones are found embedded in ________....Ch. 6 - Bones that surround the spinal cord are classified...Ch. 6 - Which category of bone is among the most numerous...
Ch. 6 - Long bones enable body movement by acting as a...Ch. 6 - Which of the following occurs in the spongy bone...Ch. 6 - The diaphysis contains ________. a. the metaphysis...Ch. 6 - The fibrous membrane covering the outer surface of...Ch. 6 - Which of the following are incapable of undergoing...Ch. 6 - Which cells do not originate from osteogenic...Ch. 6 - Which of the following are found in compact bone...Ch. 6 - Which of the following are only found in...Ch. 6 - The area of a bone where the nutrient foramen...Ch. 6 - Why is cartilage slow to heal? because it...Ch. 6 - Why are osteocytes spread out in bone tissue? They...Ch. 6 - In endochondral ossification, what happens to the...Ch. 6 - Which of the following bones is (are) formed by...Ch. 6 - Bones grow in length due to activity in the...Ch. 6 - Bones grow in diameter due to bone formation...Ch. 6 - Which of the following represents the correct...Ch. 6 - A fracture can be both ________. open and closed...Ch. 6 - How can a fractured diapliysis release fat...Ch. 6 - In a compound fracture, ________. the break occurs...Ch. 6 - The internal and external calli are replaced by...Ch. 6 - The first type of bone to form during fracture...Ch. 6 - Wolffs Law, which describes the effect of...Ch. 6 - Calcium cannot be absorbed from the small...Ch. 6 - Which one of the following foods is best for bone...Ch. 6 - Which of the following hormones are responsible...Ch. 6 - With respect to their direct effects on osseous...Ch. 6 - When calcium levels are too high or too low, which...Ch. 6 - All of the following play a role in calcium...Ch. 6 - Which of the following is most likely to be...Ch. 6 - The skeletal system is composed of bone and...Ch. 6 - What are the structural and functional differences...Ch. 6 - What are the structural and functional differences...Ch. 6 - If the articular cartilage at the end of one of...Ch. 6 - In what ways is the structural makeup of compact...Ch. 6 - In what ways do intramembranous and endochondral...Ch. 6 - Considering how a long bone develops, what are the...Ch. 6 - What is the difference between closed reduction...Ch. 6 - In terms of origin and composition, what are the...Ch. 6 - If you were a dietician who had a young female...Ch. 6 - During the early years of space exploration our...Ch. 6 - An individual with very low levels of vitamin D...Ch. 6 - Describe the effects caused when the parathyroid...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements about calcium homeostasis is FALSE? *PTH stimulates calcium uptake by bonesThe parathyroid gland secretes PTH in response to low calcium levels.The thyroid gland secretes calcitonin in response to high blood calcium levels.Calcitonin targets bone cells..Calcitonin and PTH are antagonistic hormones (have opposing functions)..arrow_forwardOsteoporosis is a common disease in the elderly. Bones become less dense and more likely to break. Treatment of osteoporosis frequently falls under endocrinologists. Name two reproductive hormones that impact osteoporosis. Explain how each one affects bone density.arrow_forwardWhich of these does not promote bone deposition? a. Dietary calcium b. Vitamin D c. Parathyroid hormone d. Calcitonin e. Testosteronearrow_forward
- Which of these is not an effect of PTH?a. rise in blood phosphate levelb. reduction of calcium excretionc. increased intestinal calcium absorptiond. increased number of osteoclastse. increased calcitriol synthesisarrow_forwardOsteoblasts have abundant receptors for what two hormones? Why?arrow_forwardOsteoclasts build new bone, while osteoblasts break down bone to repair fractures and increase the diameter of bone. True or Falsearrow_forward
- Disturbance of the balance in the activities of osteoblasts and osteoclasts in favor of osteoclasts can give rise to the condition known as osteoporosis, the brittle-bone syndrome of the elderly. Explain why or why not.arrow_forwardHormone replacement does not inhibit bone reabsorption in osteoporotic patients? Truearrow_forwardThe normal physiologic regulation of calcium homeostasis is NOT regulated by which of the following? 1) Parathyroid hormone 2) Vitamin D 3) Parathyroid hormone-related protein 4) Albumin no references, just homeworkarrow_forward
- Whether the statement, "Disturbance of the balance in the activities of osteoblasts and osteoclasts in favor of osteoclasts can give rise to the condition known as osteoporosis, the brittle bone syndrome of the elderly, is true or false.arrow_forwardWhich of the following hormones stimulates bone and muscle growth? Prolactin, Vasopressin, Thyroid Hormone, or Oxytocinarrow_forwardThe primary hormone controlling blood calcium levels in humans is: calcitriol calcitonin insulin parathyroid hormonearrow_forward
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