The deposition of ________ salts around the protein fibers of the matrix makes a bone both solid and sturdy.
What will be an ideal response?
calcium
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During an annual physical, your nurse took a urine and blood sample to ensure that your protein levels were normal. When the results came back, she informed you that there was an excessive amount of protein found in your urine
Which of the following would most likely be true? A) Blood cells were pushed from the capillaries. B) Proteins were trapped in the inner layer of the nephron. C) Proteins crossed over into the glomerular capsule. D) The glomerular filtrate is extremely dilute.
In performing its enzymatic function, carbonic anhydrase
A. requires the inorganic coenzyme zinc. B. requires the organic coenzyme carbon dioxide. C. is facilitated by the inorganic coenzyme NAD+. D. is facilitated by the organic coenzyme zinc. E. requires the inorganic coenzyme NADPH.
First-class levers ________.
A) have load at one end of the lever, fulcrum at the other, and effort applied somewhere in the middle B) are typified by tweezers or forceps C) in the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location D) are the type found in the joints forming the ball of the foot as used in raising the body on the toes
In a process called autoregulation, ________ in response to a decline in dissolved oxygen levels within a tissue
A) blood flow to the area decreases B) the precapillary sphincters relax C) vasomotion is not a factor D) the diameter of the supplying capillaries' entrance narrows E) the volume of blood arriving at the venules decreases