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61.

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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62.

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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63.

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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64.

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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65.

The iliac crest is a feature of which bone?

Pubis

Ischium

Ilium

Sacrum

Explanation Comments

Answer: Ilium

Explanation:

The iliac crest is the superior border of the ilium, the largest of the three pelvic bones. It serves as an attachment site for muscles and ligaments of the trunk and lower limb.

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66.

Which bone forms the prominence of the chin?

Mandible

Hyoid bone

Zygomatic bone

Maxilla

Explanation Comments

Answer: Mandible

Explanation:

The mandible, or lower jawbone, forms the prominence of the chin and articulates with the temporal bones of the skull to form the temporomandibular joint.

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67.

Which bone articulates with the acetabulum of the hip bone to form the hip joint?

Femur

Tibia

Patella

Fibula

Explanation Comments

Answer: Femur

Explanation:

The femur, or thigh bone, articulates with the acetabulum of the hip bone to form the hip joint, a ball-and-socket joint that allows for a wide range of motion.

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68.

Which hormone regulates calcium levels in the blood?

Parathyroid hormone (PTH)

Cortisol

Thyroxine

Insulin

Explanation Comments

Answer: Parathyroid hormone (PTH)

Explanation:

Parathyroid hormone (PTH) is released by the parathyroid glands and acts to increase blood calcium levels by stimulating calcium release from bones, enhancing calcium absorption in the intestines, and reducing calcium loss in the kidneys.

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69.

Which of the following is NOT a function of the kidneys?

Regulation of blood volume

Production of insulin

Regulation of blood pressure

Removal of metabolic waste products

Explanation Comments

Answer: Production of insulin

Explanation:

Insulin is produced by the pancreas, not the kidneys. The kidneys' functions include regulation of blood volume, blood pressure, electrolyte balance, and the removal of metabolic waste products.

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70.

Which organ is responsible for the production of bile?

Liver

Pancreas

Gallbladder

Small intestine

Explanation Comments

Answer: Liver

Explanation:

Bile is produced by the liver and stored in the gallbladder before being released into the small intestine to aid in the digestion and absorption of fats.

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