The vertical osmotic gradient in the medullary interstitial fluid is used by the________ to concentrate the tubular fluid
a. proximal tubules
b. distal tubules
c. loop of Henle
d. collecting ducts
e. both (a) and (b)
D
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Identify the correct descriptions of fibrous joints.
A. united by cartilage B. united by fibrous tissue C. classified functionally as diarthroses D. having a limited range of motion E. having no joint cavity F. possessing a joint cavity
Which of the following associations is most accurate?
A) synarthroses; slightly movable B) amphiarthroses; freely movable C) diarthroses; synchondroses D) diarthroses; synovial E) amphiarthroses; gomphoses
Pulse pressure is the difference between systolic and diastolic blood pressures.
Answer the following statement true (T) or false (F)
Which of the following exemplifies a positive feedback process happening in bone mineral deposition?
A) Solubility product is reached in the tissue fluids. B) Collagen is digested by enzymes and hydroxyapatite by hydrochloric acid. C) Osteoblasts neutralize inhibitors that prevent bone resorption. D) The first few crystals that form attract more calcium and phosphate. E) Osteoclasts secrete acid phosphatase that digests collagen.