There are 7 tarsals in each foot, and 8 carpals in each hand, but the upper limb and the lower limb contain the same number of bones. How can this be explained?
A)The forearm contains 2 bones, but the leg contains only 1 bone.
B)The foot contains 1 more metatarsal than the hand.
C)The foot contains 1 more phalanx than the hand.
D)The upper limb has no counterpart for the patella.
E)The arm contains 1 bone, while the thigh contains 2 bones.

Question

There are 7 tarsals in each foot, and 8 carpals in each hand, but the upper limb and the lower limb contain the same number of bones.  How can this be explained?
A)The forearm contains 2 bones, but the leg contains only 1 bone.
B)The foot contains 1 more metatarsal than the hand.
C)The foot contains 1 more phalanx than the hand.
D)The upper limb has no counterpart for the patella.
E)The arm contains 1 bone, while the thigh contains 2 bones.

Quizplus · Accepted Answer

The upper limb does not have a patella, which is a bone found in the lower limb, specifically in the knee. This accounts for the difference in the number of bones between the upper and lower limbs.

There Are 7 Tarsals in Each Foot, and 8 Carpals