Deltoid ridge is found in which one of the following bones

Options

A. Radius
B. Tibia
C. Femar
D. Humerus

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the location of the deltoid ridge in the human skeletal system.

2. **Defining Deltoid Ridge**: The deltoid ridge is described as a triangular ridge. It is important to note its shape and location.

3. **Identifying the Bone**: The deltoid ridge is specifically located on the anterior lateral part of a particular bone.

4. **Locating the Bone**: The bone in question is the humerus, which is the long bone in the upper arm.

5. **Function of the Deltoid Ridge**: The deltoid ridge serves as an attachment site for the deltoid muscle, which is crucial for arm movement.

6. **Final Answer**: Therefore, the deltoid ridge is found on the **humerus bone**.