The "true wrist" or carpus consists of . Select one: a. the phalanges b. the styloid processes of the radius and ulna c. the metacarpals d. a group of eight short bones united by ligaments

The "true wrist" or carpus consists of  D. A group of eight short bones united by ligaments.

Explanation:

The carpus bones are a group of eight bones that connect the hand to the forearm. The name carpus means wrist. Its main function is to help positioning the hand and with the mobility of all this bones, we are allow to do better movements. This eight bones are the following:  

- Distal Row: Trapezium, Trapezoid, Capitate, Hamate

- Proximal row : Scaphoid, Lunate, Triquetrum, Pisiform

the correct option is d

Explanation:

At the base of the hand, that is, at the wrist or the carpus, there are 8 bones distributed in two rows. The bones that are closest to the arm are the ones that connect to the radius and the ulna and are called the trapezius, trapezoid, large and hooky, these are the bones of the distal row