Question

what is the name for bone labeled 4?

humerus
carpals
radius
ulna

Explanation:

Identify the bone labeled "4"

The diagram shows the bones of the human upper limb and pectoral girdle.

• Label 1 points to the clavicle.
• Label 2 points to the scapula.
• Label 3 points to the humerus.
• Label 4 points to the lateral bone of the forearm in anatomical position, which is the radius.
• Label 5 points to the medial bone of the forearm, which is the ulna.

Match with options

The options listed are:

• Humerus
• Carpals
• Radius
• Ulna

Since label 4 points to the radius, the correct option is "Radius".

Answer:

• Humerus
• Carpals
• Radius (Correct answer)
• Ulna