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WorksheetsAnatomy Class Quiz chapter 7
Total questions: 50
Worksheet time: 13hrs 30mins
What are the 3 major components of the skeletal system besides bones?
Tendons
Ligaments
Blood
Cartilage
Besides its structural role, what else is the skeleton important for?
(a)
What electrolytes does the skeleton serve as a reservoir for?
Calcium, phosphate
Collagen, elastin
Nitrogen, calcium
Elastin, phosphate
What is the kind of bone tissue that makes up the outer part of bone?
compact
spongy
periosteum
yellow marrow
What kind of bone tissue acts like a scaffolding that provides internal support to bone?
compact
spongy
periosteum
yellow marrow
What is the tissue found in the spaces of trabecular bone where blood cells are produced?
red bone marrow
yellow bone marrow
spongy bone
compact bone
Select the four bone cells
Osteoclast
Osteoblast
Osteogenic cell
Osteocyte
osteophage
Which is a stem cell that is a precursor for other bone cells?
Osteoclast
Osteoblast
Osteogenic cell
Osteocyte
osteophage
Which cell lays down the precursor for new bone?
Osteoclast
Osteoblast
Osteogenic cell
Osteocyte
osteophage
What is the name of the organic tissue it makes that is the precursor to mineralized bone?
Osteoclast
Osteoblast
Osteogenic cell
Osteocyte
osteoid
Which cell breaks down bone?
Osteoclast
Osteoblast
Osteogenic cell
Osteocyte
osteoid
Mature bone cells
Osteoclast
Osteoblast
Osteogenic cell
Osteocyte
osteoid
Where do osteocytes reside?
(a)
What is the term for the continual breaking down and rebuilding of bone to optimize its structure?
(a)
What 2 minerals and what protein make up most of the matrix of bone?
Calcium
Phosphate
Collagen
Elastin
which provides flexibility to bone
Calcium
Phosphate
Collagen
Elastin
which provides hardness to bone
Calcium
Phosphate
Collagen
Elastin
What is the name of the small, parallel cylinders of bone that make up cortical bone?
Osteon
Central Canal
Lacunae
Canaliculi
By which process are the flat bones of the skull formed?
Intramembranous Ossification
Endochondral Ossification
by which process is most bone formed?
Intramembranous Ossification
Endochondral Ossification
what kind of cartilage is present in the epiphyseal plate?
hyaline cartilage
reticular cartilage
fibrocartilage
What is the name of the zone between the diaphysis and epiphysis containing the epiphyseal plate?
diaphysis
epiphysis
metaphysis
in which does growth occur at the epiphyseal plate?
interstitial growth
appositional growth
which results in bone lengthening?
interstitial growth
appositional growth
In which does growth occur on the bone’s surface (producing circumferential lamellae), resulting in bone widening?
interstitial growth
appositional growth
which can continue during adulthood?
interstitial growth
appositional growth
Which is caused by a defect in cartilage of the epiphyseal plate?
achondroplastic dwarfism
pituitary dwarfism
Which is due to deficient growth hormone?
achondroplastic dwarfism
pituitary dwarfism
What is the name of the law that says that when bone is stressed, it remodels itself in such a way as to optimize its ability to withstand the stress?
(a)
Where is most calcium found in the body?
(a)
What 2 organ systems are most sensitive to blood calcium levels?
Liver
Kidneys
Heart
Lungs
What are the 3 major hormones whose main functions are related to calcium regulation?
calcitriol
calcitonin
parathyroid hormone
calcidiol
which hormone requires sunlight to be produced in the body?
(a)
What 3 organs are involved in the production of Calcitriol (Vitamin D)
Epidermal keratinocytes
Liver
Kidney
Small Intestine
What are the best dietary sources of vit D?
Fish
Rice
Beans
Milk
Which hormone lowers blood calcium?
Calcitriol
Calcidiol
Calcitonin
parathyroid hormone
Which organ produces blood calcitonin?
Thyroid
Liver
Kidneys
Stomach
To remove calcium from blood and deposit it in bone, what cell should be stimulated?
T Cells
C Cells
White Blood Cells
red Blood cells
Which hormone raises blood calcium (and lowers phosphate) by stimulating break down of bone, increasing reabsorption of calcium (and loss of phosphate) from urine and stimulating vitamin D production?
Calcitriol
Calcidiol
Calcitonin
parathyroid hormone
To break down bone and release calcium, what cell should be stimulated?
Osteoblasts
Osteoclasts
Osteocytes
Osteogenic cells
Which 2 are directly related to vitamin D deficiency, which leads to soft, unmineralized bone?
rickets
osteomalacia
osteoporosis
which causes brittle bones?
rickets
osteomalacia
osteoporosis
What is the most common bone disorder?
Osteomalacia
rickets
osteoporosis
which results from a chronic imbalance in the processes of remodeling resulting in a diminished amount of bone tissue
rickets
osteomalacia
osteoporosis
What organ controls how much calcium enters the body?
Kidney
Stomach
Liver
Thyroid
Which organ controls how much calcium exits the body
Kidney
Stomach
Liver
Thyroid
How can blood calcium levels be raised without changing the total amount of calcium in the body?
filter from kidneys
absorbed through digestive system
Moved from bones
produced in liver
Which hormones are released when calcium levels are low?
parathyroid hormone
calcitonin
calcitriol
Which hormone is released when calcium is too high?
Parathyroid hormone
calcitonin
calcitriol
Which hormones are released when calcium levels are low?
parathyroid hormone
calcitonin
calcitriol
