ATI TEAS 7 Science Practice Test

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Question 1

Which of following is classified as a long bone?

Your Answer: Option(s)

Correct Answer: Option(s) C

Rationale

Tibia is classified as a long bone.

The tibia, also known as the shinbone, is categorized as a long bone due to its elongated shape and structure, which includes a shaft and two ends. Long bones are primarily involved in supporting weight and facilitating movement, making the tibia an essential component of the lower limb.

A) Carpal
Carpals are classified as short bones, which are characterized by their cube-like shape and are found in the wrists. These bones are designed for stability and support rather than the leverage and movement provided by long bones. Therefore, the carpal bones do not fit the definition of long bones.

B) Rib
Ribs are classified as flat bones, which serve primarily protective roles for vital organs in the thoracic cavity. They have a thin, flattened shape and are not designed for the same functional purposes as long bones, such as weight-bearing or movement, making them distinct from long bones like the tibia.

C) Tibia
The tibia is indeed classified as a long bone due to its length, structure, and function. It plays a crucial role in supporting body weight and facilitating locomotion, fitting all criteria established for long bones in human anatomy.

D) Vertebrae
Vertebrae are classified as irregular bones because of their complex shapes that do not conform to the standard categories of long, short, or flat bones. They provide structural support and protection for the spinal cord but do not share the elongated characteristics typical of long bones.

Conclusion
In summary, the tibia exemplifies the characteristics of a long bone, featuring an elongated structure that supports weight and facilitates movement. In contrast, carpal bones, ribs, and vertebrae are categorized as short, flat, and irregular bones, respectively, each serving distinct anatomical functions. This classification is critical for understanding the diverse roles that different bone types play in the human body.

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Tibia is classified as a long bone.

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Tibia is classified as a long bone.

Hyperventilation occurs when the blood level of carbon dioxide is abnormally low.

A synapse

Cell membrane is present in both prokaryotic and eukaryotic cells.

Cutaneous membrane is associated with the skin.

Free Preview Ended

Unlock Full Access

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