Chapter 6 Osseous Tissue and Bone Structure Clicker
Chapter 6 Osseous Tissue and Bone Structure Clicker Questions © 2015 Pearson Education, Inc.
Which of these bones is classified as a flat bone? a. pollex b. carpal c. sphenoid d. sternum © 2015 Pearson Education, Inc.
Which of these bones is classified as a flat bone? a. pollex b. carpal c. sphenoid d. sternum © 2015 Pearson Education, Inc.
If in a sample of bone 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 © 2015 Pearson Education, Inc.
If in a sample of bone 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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
A child who enters puberty several years later than the average is generally taller than average as an adult. Why? a. Epiphyseal plates fuse as puberty ends. b. Bone growth continues throughout childhood. c. Growth spurts usually occur at the onset of puberty. d. All of the above are correct. © 2015 Pearson Education, Inc.
A child who enters puberty several years later than the average is generally taller than average as an adult. Why? a. Epiphyseal plates fuse as puberty ends. b. Bone growth continues throughout childhood. c. Growth spurts usually occur at the onset of puberty. d. All of the above are correct. © 2015 Pearson Education, Inc.
Why would you expect that all people lose some height as they age? a. Osteomalacia causes the bones to soften. b. Osteopenia and thinning of intervertebral discs cause loss of height. c. Osteoporosis causes a reduction in bone mass. d. Growth hormone is no longer available. © 2015 Pearson Education, Inc.
Why would you expect that all people lose some height as they age? a. Osteomalacia causes the bones to soften. b. Osteopenia and thinning of intervertebral discs cause loss of height. c. Osteoporosis causes a reduction in bone mass. d. Growth hormone is no longer available. © 2015 Pearson Education, Inc.
During intramembranous ossification, which type of tissue is replaced by bone? a. hyaline cartilage b. elastic tissue c. mesenchymal connective tissue d. adipose tissue © 2015 Pearson Education, Inc.
During intramembranous ossification, which type of tissue is replaced by bone? a. hyaline cartilage b. elastic tissue c. mesenchymal connective tissue d. adipose tissue © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
In addition to insufficient calcium intake, bone may also weaken when collagen is not made correctly. This is mainly caused by inadequate a. PTH production b. niacin intake c. vitamin E intake d. vitamin C intake © 2015 Pearson Education, Inc.
In addition to insufficient calcium intake, bone may also weaken when collagen is not made correctly. This is mainly caused by inadequate a. PTH production b. niacin intake c. vitamin E intake d. vitamin C intake © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
Bones forming in abnormal locations are known as a. sesamoid b. irregular c. compact d. heterotopic © 2015 Pearson Education, Inc.
Bones forming in abnormal locations are known as a. sesamoid b. irregular c. compact d. heterotopic © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
Calcitriol begins its synthesis from a steroid produced in a. skin b. bone marrow c. the kidneys d. the liver © 2015 Pearson Education, Inc.
Calcitriol begins its synthesis from a steroid produced in a. skin b. bone marrow c. the kidneys d. the liver © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 the bones are weaker. d. None of the above are correct. © 2015 Pearson Education, Inc.
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 the bones are weaker. d. None of the above are correct. © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
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 © 2015 Pearson Education, Inc.
How would the strength of a bone be affected if the ratio of collagen to hydroxyapatite increased from 1: 2 to 1: 1? a. strength increases, flexibility increases b. strength increases, flexibility decreases c. strength decreases, flexibility decreases d. strength decreases, flexibility increases © 2015 Pearson Education, Inc.
How would the strength of a bone be affected if the ratio of collagen to hydroxyapatite increased from 1: 2 to 1: 1? a. strength increases, flexibility increases b. strength increases, flexibility decreases c. strength decreases, flexibility decreases d. strength decreases, flexibility increases © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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. © 2015 Pearson Education, Inc.
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