Patients with osteoporosis often suffer ________ fractures of the vertebral bodies due to loss of bone mass.
A. greenstick
B. epiphyseal
C. compression
D. transverse
E. spiral
Answer: C
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The inactivation gate
A) depends on a loss of K+ permeability to be triggered. B) quickly opens and closes after depolarization. C) is coupled to the movement of the activation gate, but is much slower. D) depends on a change of +100 mV from rest to be signaled to close. E) depends on a loss of Na+ permeability to be triggered.
The ____________________ signaling of the autonomic nervous system controls the vasomotor responses of the skin
Fill in the blank(s) with correct word
What kind of bonds do the mineral salts form?
a. hydrogen b. ionic c. covalent d. isotopic
Two solutions are separated by a selectively permeable membrane. If solution A has a higher concentration of a nonpermeating solute than solution B, then ________
A) the solute will pass down its concentration gradient from solution B to A B) water will pass down its concentration gradient from solution B to A C) water will pass down its concentration gradient from solution A to B D) neither the solute nor water will diffuse E) the solute will pass down its concentration gradient from solution A to B