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© 2012 Pearson Education, Inc. Chapter 6 – Osseous Tissue and Bone Structure $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Compact or Spongy? Bone.

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Presentation on theme: "© 2012 Pearson Education, Inc. Chapter 6 – Osseous Tissue and Bone Structure $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Compact or Spongy? Bone."— Presentation transcript:

1 © 2012 Pearson Education, Inc. Chapter 6 – Osseous Tissue and Bone Structure $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Compact or Spongy? Bone Cells and Tissues Bone Dynamics Hormones Bone Yard FINAL ROUND

2 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $100 Question Which of these bones is classified as a flat bone? a. pollex b. carpal c. sphenoid d. sternum BACK TO GAME ANSWER

3 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $100 Answer Which of these bones is classified as a flat bone? a. pollex b. carpal c. sphenoid d. sternum BACK TO GAME

4 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $200 Question In a sample of bone if the lamellae are not arranged in osteons, then this sample is from the _________. a. diaphysis b. medullary cavity of a long bone c. epiphysis or diaphysis d. epiphysis BACK TO GAME ANSWER

5 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $200 Answer In a sample of bone if the lamellae are not arranged in osteons, then this sample is from the _________. a. diaphysis b. medullary cavity of a long bone c. epiphysis or diaphysis d. epiphysis BACK TO GAME

6 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $300 Question In osseous tissue which characteristics apply to spongy bone? a. no osteons, very vascular, bone marrow cavity b. red bone marrow, canaliculi, no osteons c. osteons, trabeculae, bone marrow cavity d. no osteons, lamellae, superficial, and glossy BACK TO GAME ANSWER

7 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $300 Answer In osseous tissue which characteristics apply to spongy bone? a. no osteons, very vascular, bone marrow cavity b. red bone marrow, canaliculi, no osteons c. osteons, trabeculae, bone marrow cavity d. no osteons, lamellae, superficial, and glossy BACK TO GAME

8 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $400 Question A child who enters puberty several years later than the average age is generally taller than average as an adult. Why? a. Epiphyseal plates fuse during puberty. b. Bone growth continues throughout childhood. c. Growth spurts usually occur at the onset of puberty. d. All of the above are correct. BACK TO GAME ANSWER

9 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $400 Answer A child who enters puberty several years later than the average age is generally taller than average as an adult. Why? a. Epiphyseal plates fuse during puberty. b. Bone growth continues throughout childhood. c. Growth spurts usually occur at the onset of puberty. d. All of the above are correct. BACK TO GAME

10 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy? $500 Question Why would you expect that all people lose some height as they age? a. Osteomalacia causes the bones to soften. b. Osteopenia causes a reduction in bone mass. c. Osteoporosis causes a reduction in bone mass. d. Growth hormone is no longer available. BACK TO GAME ANSWER

11 © 2012 Pearson Education, Inc. Topic 1: Compact or Spongy $500 Answer Why would you expect that all people lose some height as they age? a. Osteomalacia causes the bones to soften. b. Osteopenia causes a reduction in bone mass. c. Osteoporosis causes a reduction in bone mass. d. Growth hormone is no longer available. BACK TO GAME

12 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $100 Question During intramembranous ossification, which type of tissue is replaced by bone? a. hyaline cartilage b. elastic tissue c. mesenchymal connective tissue d. adipose tissue BACK TO GAME ANSWER

13 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $100 Answer During intramembranous ossification, which type of tissue is replaced by bone? a. hyaline cartilage b. elastic tissue c. mesenchymal connective tissue d. adipose tissue BACK TO GAME

14 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $200 Question In endochondral ossification, what is the original source of osteoblasts? a. de novo synthesis b. cells brought via the nutrient artery c. cells of the inner layer of the perichondrium d. chondrocytes from the original model BACK TO GAME ANSWER

15 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $200 Answer In endochondral ossification, what is the original source of osteoblasts? a. de novo synthesis b. cells brought via the nutrient artery c. cells of the inner layer of the perichondrium d. chondrocytes from the original model BACK TO GAME

16 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $300 Question How is bone remodeling accomplished? a. Osteoclasts break down matrix while osteoblasts form new bone matrix. b. Osteocytes remove and replace calcium salts simultaneously. c. Osteoclasts are active, while osteoprogenitor cells differentiate rapidly. d. Osteoblasts are inhibited. BACK TO GAME ANSWER

17 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $300 Answer How is bone remodeling accomplished? a. Osteoclasts break down matrix while osteoblasts form new bone matrix. b. Osteocytes remove and replace calcium salts simultaneously. c. Osteoclasts are active, while osteoprogenitor cells differentiate rapidly. d. Osteoblasts are inhibited BACK TO GAME

18 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $400 Question Which of the following is true concerning the periosteum? a. It has a fibrous outer layer that provides firm attachments for tendons. b. It provides a route for nerves and blood vessels into bone. c. Its cellular layer actively participates in bone growth and repair. d. All of the above are correct. BACK TO GAME ANSWER

19 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $400 Answer Which of the following is true concerning the periosteum? a. It has a fibrous outer layer that provides firm attachments for tendons. b. It provides a route for nerves and blood vessels into bone. c. Its cellular layer actively participates in bone growth and repair. d. All of the above are correct. BACK TO GAME

20 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues $500 Question Which of the following describes osteoprogenitor cells? a. divide to produce daughter cells that differentiate into osteoblasts b. assist in elevating local concentrations of calcium phosphate c. multinucleate and derive from same stem cells that produce monocytes d. maintain protein and mineral content of surrounding matrix BACK TO GAME ANSWER

21 © 2012 Pearson Education, Inc. Topic 2: Bone Cells and Tissues : $500 Answer Which of the following describes osteoprogenitor cells? a. divide to produce daughter cells that differentiate into osteoblasts b. assist in elevating local concentrations of calcium phosphate c. multinucleate and derive from same stem cells that produce monocytes d. maintain protein and mineral content of surrounding matrix BACK TO GAME

22 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $100 Question Which of these bony markings would be described as hollowed-out areas usually filled with air? a. tuberosities b. condyles c. processes d. sinuses BACK TO GAME ANSWER

23 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $100 Answer Which of these bony markings would be described as hollowed-out areas usually filled with air? a. tuberosities b. condyles c. processes d. sinuses BACK TO GAME

24 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $200 Question If the activity of osteoblasts exceeds the activity of osteoclasts in a bone, how will the mass of the bone be affected? a. mass becomes porous b. mass will not be affected c. more mass d. less mass BACK TO GAME ANSWER

25 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $200 Answer If the activity of osteoblasts exceeds the activity of osteoclasts in a bone, how will the mass of the bone be affected? a. mass becomes porous b. mass will not be affected c. more mass d. less mass BACK TO GAME

26 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $300 Question What statement is NOT true with regard to spongy bone? a. It has red bone marrow. b. It has yellow bone marrow. c. It is found where stress comes from many directions. d. All of the above statements are true. BACK TO GAME ANSWER

27 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $300 Answer What statement is NOT true with regard to spongy bone? a. It has red bone marrow. b. It has yellow bone marrow. c. It is found where stress comes from many directions. d. All of the above statements are true. BACK TO GAME

28 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $400 Question Why is osteoporosis more common in older women than in older men? a. Testosterone levels decline in postmenopausal women. b. Older women tend to be more sedentary than older men. c. Declining estrogen levels lead to decreased calcium deposition. d. In males, androgens increase with age. BACK TO GAME ANSWER

29 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $400 Answer Why is osteoporosis more common in older women than in older men? a. Testosterone levels decline in postmenopausal women. b. Older women tend to be more sedentary than older men. c. Declining estrogen levels lead to decreased calcium deposition. d. In males, androgens increase with age. BACK TO GAME

30 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $500 Question Put the terms in order that describe endochondral ossification: 1.Blood vessels grow into matrix, and cells give rise to osteoblasts that form superficial bone. 2.Chondrocytes enlarge and die leaving struts within the cavity. 3.Remodeling occurs as bone gets thicker and establishes secondary ossification centers. 4.As blood vessels invade the diaphysis, a primary ossification is established. a. 1, 2, 4, 3 b. 2, 1, 3, 4 c. 2, 1, 4, 3 d. 1, 2, 3, 4 BACK TO GAME ANSWER

31 © 2012 Pearson Education, Inc. Topic 3: Bone Dynamics $500 Answer BACK TO GAME Put the terms in order that describe endochondral ossification: 1.Blood vessels grow into matrix, and cells give rise to osteoblasts that form superficial bone. 2.Chondrocytes enlarge and die leaving struts within the cavity. 3.Remodeling occurs as bone gets thicker and establishes secondary ossification centers. 4.As blood vessels invade the diaphysis, a primary ossification is established. a. 1, 2, 4, 3 b. 2, 1, 3, 4 c. 2, 1, 4, 3 d. 1, 2, 3, 4

32 © 2012 Pearson Education, Inc. Topic 4: Hormones $100 Question A seven-year-old child has a pituitary tumor involving the cells that secrete growth hormone (GH), resulting in increased levels of GH. How will this condition affect the child’s growth? a. The individual will be taller. b. The individual will be shorter. c. Growth of the individual will be erratic and slow. d. The GH will mostly affect the flat bones rather than the long bones. BACK TO GAME ANSWER

33 © 2012 Pearson Education, Inc. Topic 4: Hormones $100 Answer A seven-year-old child has a pituitary tumor involving the cells that secrete growth hormone (GH), resulting in increased levels of GH. How will this condition affect the child’s growth? a. The individual will be taller. b. The individual will be shorter. c. Growth of the individual will be erratic and slow. d. The GH will mostly affect the flat bones rather than the long bones. BACK TO GAME

34 © 2012 Pearson Education, Inc. Topic 4: Hormones $200 Question What effect would increased PTH secretion have on blood calcium levels? a. higher level of calcium due to osteoclast stimulation b. lower level of calcium due to osteoclast stimulation c. lower calcium levels due to calcitriol inhibition d. no effect on blood calcium; PTH affects calcium in the bones BACK TO GAME ANSWER

35 © 2012 Pearson Education, Inc. Topic 4: Hormones $200 Answer What effect would increased PTH secretion have on blood calcium levels? a. higher level of calcium due to osteoclast stimulation b. lower level of calcium due to osteoclast stimulation c. lower calcium levels due to calcitriol inhibition d. no effect on blood calcium; PTH affects calcium in the bones BACK TO GAME

36 © 2012 Pearson Education, Inc. Topic 4: Hormones $300 Question A balance between which two hormones is essential for maintaining calcium homeostasis? a. calcitriol and parathyroid hormone b. calcitriol and thyroxine c. calcitonin and parathyroid hormone d. growth hormone and sex hormones BACK TO GAME ANSWER

37 © 2012 Pearson Education, Inc. Topic 4: Hormones $300 Answer A balance between which two hormones is essential for maintaining calcium homeostasis? a. calcitriol and parathyroid hormone b. calcitriol and thyroxine c. calcitonin and parathyroid hormone d. growth hormone and sex hormones BACK TO GAME

38 © 2012 Pearson Education, Inc. Topic 4: Hormones $400 Question How does calcitonin help lower the calcium ion concentration of blood? a. by inhibiting osteoclast activity b. by increasing the rate of calcium excretion at the kidneys c. by increasing the rate of calcium uptake by intestinal cells d. both A and B BACK TO GAME ANSWER

39 © 2012 Pearson Education, Inc. Topic 4: Hormones $400 Answer How does calcitonin help lower the calcium ion concentration of blood? a. by inhibiting osteoclast activity b. by increasing the rate of calcium excretion at the kidneys c. by increasing the rate of calcium uptake by intestinal cells d. both A and B BACK TO GAME

40 © 2012 Pearson Education, Inc. Topic 4: Hormones $500 Question Which hormone is correctly paired with its function? a. calcitonin: stimulates osteoclast activity b. PTH: reduces calcium ion concentration of body fluids c. calcitriol: inhibits calcium and phosphate ion absorption along the digestive tract d. thyroxine: stimulates osteoblast activity BACK TO GAME ANSWER

41 © 2012 Pearson Education, Inc. Topic 4: Hormones $500 Answer Which hormone is correctly paired with its function? a. calcitonin: stimulates osteoclast activity b. PTH: reduces calcium ion concentration of body fluids c. calcitriol: inhibits calcium and phosphate ion absorption along the digestive tract d. thyroxine: stimulates osteoblast activity BACK TO GAME

42 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $100 Question Why would a second fracture to a particular bone be more likely to occur at a different site along that bone than the first fracture? a. The newly formed bone is slightly thicker and stronger at the original fracture site. b. During healing of the first fracture, calcium was removed making the site of the second fracture weaker. c. The person is older when the second fracture occurs, so their bones are weaker. d. None of the above are correct. BACK TO GAME ANSWER

43 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $100 Answer Why would a second fracture to a particular bone be more likely to occur at a different site along that bone than the first fracture? a. The newly formed bone is slightly thicker and stronger at the original fracture site. b. During healing of the first fracture, calcium was removed making the site of the second fracture weaker. c. The person is older when the second fracture occurs, so their bones are weaker. d. None of the above are correct. BACK TO GAME

44 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $200 Question Which bony marking is correctly paired with its description? a. fissure: depression b. fossa: raised protrusion c. tuberosity: process formed where tendons and ligaments attach d. spine: process formed for articulation with adjacent bones BACK TO GAME ANSWER

45 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $200 Answer Which bony marking is correctly paired with its description? a. fissure: depression b. fossa: raised protrusion c. tuberosity: process formed where tendons and ligaments attach d. spine: process formed for articulation with adjacent bones BACK TO GAME

46 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $300 Question How would the strength of a bone be affected if the ratio of collagen to hydroxyapatite increased? a. strength increases, flexibility increases b. strength increases, flexibility decreases c. strength decreases, flexibility decreases d. strength decreases, flexibility increases BACK TO GAME ANSWER

47 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $300 Answer How would the strength of a bone be affected if the ratio of collagen to hydroxyapatite increased? a. strength increases, flexibility increases b. strength increases, flexibility decreases c. strength decreases, flexibility decreases d. strength decreases, flexibility increases BACK TO GAME

48 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $400 Question Why does a child who has rickets have difficulty walking? a. Joints become fused, preventing movement. b. Bones are brittle and break under body weight. c. Bones are flexible and bend under body weight. d. Motor skills are impaired. BACK TO GAME ANSWER

49 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $400 Answer Why does a child who has rickets have difficulty walking? a. Joints become fused, preventing movement. b. Bones are brittle and break under body weight. c. Bones are flexible and bend under body weight. d. Motor skills are impaired. BACK TO GAME

50 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $500 Question Why are women usually shorter than men at maturity? a. Estrogens cause faster epiphyseal plate closure. b. Androgens cause faster epiphyseal plate closure. c. Thyroxine increases the rate of osteoblast activity in boys before puberty. d. Men have more growth hormone. BACK TO GAME ANSWER

51 © 2012 Pearson Education, Inc. Topic 5: Bone Yard $500 Answer Why are women usually shorter than men at maturity? a. Estrogens cause faster epiphyseal plate closure. b. Androgens cause faster epiphyseal plate closure. c. Thyroxine increases the rate of osteoblast activity in boys before puberty. d. Men have more growth hormone. BACK TO GAME

52 © 2012 Pearson Education, Inc. FINAL ROUND Question What are the functional relationships between compact and spongy bone? a. Spongy bone resists stress from many directions while compact bone is extremely strong when stressed along the axis of alignment. b. Spongy bone is strong along its main axis of alignment while compact bone resists stress from many directions. c. Both spongy and compact bone resist stresses from all angles except a sudden force to the side of the bone. d. None of the above are correct. BACK TO GAME ANSWER

53 © 2012 Pearson Education, Inc. FINAL ROUND Answer What are the functional relationships between compact and spongy bone? a. Spongy bone resists stress from many directions while compact bone is extremely strong when stressed along the axis of alignment. b. Spongy bone is strong along its main axis of alignment while compact bone resists stress from many directions. c. Both spongy and compact bone resist stresses from all angles except a sudden force to the side of the bone. d. None of the above are correct. BACK TO GAME


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