Deltoid ridge is found in which one of the following bones?

Options

A. a)Radius
B. b)Ulna
C. c)Humerus
D. d)Femur

Answer

To determine which bone contains the deltoid ridge, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the term "deltoid ridge":**
- A deltoid ridge is a rough, triangular area on a bone where muscles attach. It is important to know its characteristics to identify the correct bone.

2. **Identify the options provided:**
- The options given are radius, ulna, humerus, and femur.

3. **Locate the deltoid ridge:**
- The deltoid ridge is specifically found on the humerus bone. It is located at the anterolateral part of the humerus, which is near the shoulder joint.

4. **Differentiate between the bones:**
- The radius and ulna are bones of the forearm, while the femur is the thigh bone. The humerus is the bone that connects the shoulder to the elbow.

5. **Confirm the location of the deltoid ridge:**
- The deltoid ridge is located on the shaft of the humerus, just above the middle part of the bone, and is visible from the anterior view.

6. **Conclude the answer:**
- Based on the information gathered, the deltoid ridge is found in the humerus.

### Final Answer:
The deltoid ridge is found in the **humerus**.

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