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291.

Which bone forms the heel of the foot?

Cuboid

Navicular

Calcaneus

Talus

Explanation Comments

Answer: Calcaneus

Explanation:

The calcaneus, or heel bone, is the largest tarsal bone and forms the heel of the foot. It provides support for the body's weight and serves as an attachment point for muscles and ligaments.

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292.

The atlas and axis are bones of which part of the body?

Ribcage

Pelvis

Spine

Skull

Explanation Comments

Answer: Spine

Explanation:

The atlas and axis are the first two cervical vertebrae located in the neck region of the spine. The atlas supports the skull, while the axis allows for rotation of the head.

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293.

Which bone forms the forehead?

Temporal bone

Occipital bone

Parietal bone

Frontal bone

Explanation Comments

Answer: Frontal bone

Explanation:

The frontal bone forms the forehead and the upper part of the orbits (eye sockets). It articulates with the parietal bones posteriorly and the nasal bone and maxilla inferiorly.

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294.

Which bone forms the bridge of the foot?

Talus

Cuneiform

Cuboid

Navicular

Explanation Comments

Answer: Cuneiform

Explanation:

The cuneiform bones (medial, intermediate, and lateral) are tarsal bones located in the midfoot region. They contribute to the formation of the arches of the foot and help support body weight during walking and standing.

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295.

Which bone forms the majority of the shoulder joint?

Scapula

Humerus

Clavicle

Sternum

Explanation Comments

Answer: Humerus

Explanation:

The humerus articulates with the scapula and clavicle to form the shoulder joint. It forms the ball-and-socket joint with the glenoid cavity of the scapula.

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296.

The occipital condyles articulate with which part of the spinal column?

Sacrum

Lumbar vertebrae

Thoracic vertebrae

Cervical vertebrae

Explanation Comments

Answer: Cervical vertebrae

Explanation:

The occipital condyles of the occipital bone articulate with the atlas (first cervical vertebra) to form the atlanto-occipital joint, allowing for nodding movements of the head.

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297.

Which bone forms the majority of the posterior nasal septum?

Nasal bone

Ethmoid bone

Maxilla

Vomer

Explanation Comments

Answer: Vomer

Explanation:

The vomer is a single bone that forms the inferior and posterior part of the nasal septum, separating the nasal cavities into right and left halves.

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298.

The intervertebral discs are located between which parts of the vertebral column?

Transverse processes

Vertebral bodies

Laminae

Spinous processes

Explanation Comments

Answer: Vertebral bodies

Explanation:

Intervertebral discs are fibrocartilaginous structures located between the vertebral bodies of adjacent vertebrae. They act as shock absorbers and allow for flexibility of the spine.

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299.

Which bone articulates with the femur to form the knee joint?

Calcaneus

Fibula

Patella

Tibia

Explanation Comments

Answer: Tibia

Explanation:

The femur articulates with the tibia and patella to form the knee joint. The tibia is the larger of the two lower leg bones and carries the body's weight from the femur to the foot.

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300.

Which bone is located on the lateral side of the forearm?

Carpals

Radius

Metacarpals

Ulna

Explanation Comments

Answer: Radius

Explanation:

The radius is located on the lateral (thumb) side of the forearm, while the ulna is on the medial (pinky) side. Both bones articulate with the humerus at the elbow joint.

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