Question

multiple choice 1 point
which joint is a hinge - type joint?
carpometacarpal
scapulohumeral
metacarpophalangeal
interphalangeal
multiple choice 1 point
how many metacarpal bones are found in one upper extremity?
5
14
8
2

Explanation:

• For question 6: Hinge - type joints allow movement in one plane, like a door hinge. Interphalangeal joints (between the phalanges of the fingers and toes) are hinge - type joints.
• For question 7: The metacarpal bones are the bones in the hand that connect the wrist to the fingers. There are 5 metacarpal bones in one upper extremity.

Answer:

1. D. Interphalangeal
2. A. 5