Explain how the structure of synovial fluid allows it to function as a lubricant in a joint
Synovial fluid is a viscous fluid like egg white or molasses and made up of proteoglycans and hyaluranon. It is absorbed by the sponge-like articular cartilage of joints and creates a slick film on the surfaces that reduces friction.
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The effects of aging on the skin include all of the following except
A. loss of adipose from the subcutaneous tissue. B. thinner epidermis. C. reduction in collagen and elastin. D. increases in sebaceous gland activity.
Fibroblast produces what two protein fibers in the dermis?
A. Loose/areolar and elastic B. Collagen and dense irregular C. Loose/areolar and dense irregular D. Collagen and elastic
The ________ reflex is used to assess depth of anesthesia
Fill in the blank(s) with correct word
Water loss from insensible perspiration
A) is unaffected by damage to the epidermis. B) is too small to be measured reliably. C) is approximately 0.5 liters a day. D) always exceeds sensible perspiration. E) depends on apocrine sweat glands.