RRQ A+P chapter 5 and 6
Why are osteocytes spread out in bone tissue
Formation of osteoid spreads out the osteoblasts that formed the ossification centers.
Yellow marrow has been identified as ________.
an area of fat storage
sebaceous glands
are associated with hair follicles
eccrine sweat glands
are present in the skin throughout the body and produce watery sweat
bedsores ____
are preventable by eliminating pressure points
in response to stimuli from the sympathetic nervous stsyem, the arrector pili
are responsible for goose bumps
why is the cartilage slow to heal
because it does not have a blood supply
the skeletal system is made of ____
bones and cartilage
in a compound fracture____
broken bone pierces the skin
in general, skin cancers ____
can be reduced by limiting exposure to the sun
which of the following can be found in areas of movement
cartilage
bone tissue can be discribed as
dense, hard ocnnective tissue
an individual has spent to much time sun bathing. not only is his skin painful to the touch, but small blisters have appeared in the affected area. this indicates that he has damaged what layer of skin
epidermis or dermis
Bones grow in length due to activity in the ________.
epiphyseal
which of the following hormones are responsible for the adolescent growth spurt
estrogen and testosterone
the dialyhpsis contains
fat stores
which of the following occurs in the spongy bone of the epiphysis
hematopoiesis
After a skin injury, the body initiates a wound-healing response. The first step of this response is the formation of a blood clot to stop bleeding. Which of the following would be the next response?
increased production of connective tissue
squamous cell carcinomas are the second most common of the skin cancers and are capable of metastasizing if not treated. This cancer affects which cells?
keratinocytes of the statum spinosum
If you cut yourself and bacteria enter the wound, which of the following cells would help get rid of the bacteria?
langerhans cells
which one of the following foods is best for bone health
leafy green vegetables
Without red marrow, bones would not be able to ________.
make blood cells
a fracture can be both___
open and transverse
An individual using a sharp knife notices a small amount of blood where he just cut himself. Which of the following layers of skin did he have to cut into in order to bleed?
papillary dermis
the fibrous membrane covering the outer surface of the bone is the___
periosteum
which function of the skeletal system would be especially important if you were in a car accident
protection of internal organs
which of the following is not a function of the hypodermis
source of blood vessels in the epidermis
As you are walking down the beach, you see a dead, dry, shriveled-up fish. Which layer of your epidermis keeps you from drying out?
stratum corneum
collagen lends ____ to the skin
structure
How can a fractured diaphysis release fat globules into the bloodstream?
the yellow marrow in the diaphysis is exposed and damaged
Calcium cannot be absorbed from the small intestine if ________ is lacking.
vitamin D
in humans, exposure of the skin to sunlight is required for___
vitamin D synthesis