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
C) in the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location
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Appropriate strategies to lessen the likelihood of acquiring osteoporosis include which of the following?
A. adequate dietary calcium intake B. regular weight-bearing exercise C. both A and B D. none of the above
The thumb possesses a saddle joint where each articular surface has both a concave and a convex surface.
What will be an ideal response?
Intracellular fluid is found only within
A) blood vessels. B) lymph. C) the cells of the body. D) the interstitial space. E) the cerebrospinal fluid.
The cauda equina extends from which vertebrae?
A. L-1 to S-5 B. L-5 to S-5 C. L-1 to S-1 D. L-5 to S-1