APPLIED RADIOLOGICAL ANATOMY

ANATOMY

THE VERTEBRAL COLUMN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Breastbone; flat, elongated bone that protects the heart and lungs
A
clavicle
B
sternum
C
scapula
D
rib
Explanation: 

Detailed explanation-1: -The breastbone, also called the sternum, is a long, flat bone in the centre of the chest. It is connected to the ribs with cartilage. Together with the ribs, it helps to protect important organs in the chest, such as the heart and lungs, from damage.

Detailed explanation-2: -The sternum is the bone that lies in the anterior midline of our thorax. It forms part of the rib cage and the anterior-most part of the thorax. Its functions are to protect the thoracic organs from trauma and also form the bony attachment for various muscles.

Detailed explanation-3: -The flat bones are: the occipital, parietal, frontal, nasal, lacrimal, vomer, hip bone (coxal bone), sternum, ribs, and scapulae. These bones are composed of two thin layers of compact bone enclosing between them a variable quantity of cancellous bone, which is the location of red bone marrow.

Detailed explanation-4: -The sternum completes the anterior chest wall as the ventral breastplate. The sternum is a flat cancellous bone with a compact cortex, it is slightly convex anteriorly, with multiple indentations along its lateral borders (costal notches).

Detailed explanation-5: -The sternum, or breastbone, is a long, flat, bony plate that forms the most anterior section of the rib cage. The primary function of the sternum is the protection of the heart, lungs, and blood vessels from physical damage. The sternum is made of the manubrium, the gladiolus, and the xiphoid process.

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