Anatomy & DisordersQuestion 78 of 100
How many bones are found in the wrist, the palm and the fingers of one hand?
a.5 carpals in the wrist, 8 metacarpals in the palm and 12 phalanges in the fingers
b.8 carpals in the wrist, 5 metacarpals in the palm and 14 phalanges in the fingers
c.7 carpals in the wrist, 5 metacarpals in the palm and 26 phalanges in the fingers
d.8 carpals in the wrist, 14 metacarpals in the palm and 5 phalanges in the fingers
Explanation
Each hand has 8 carpals in the wrist, 5 metacarpals in the palm and 14 phalanges in the fingers, because the thumb has two phalanges and each of the other four fingers has three. The forearm you massage above the wrist has only two bones, the radius on the thumb side and the ulna on the little-finger side. The other choices simply swap those numbers around; 7 is the number of tarsals in the foot, not carpals in the wrist.
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