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Skeletal Anatomy and Physiology Quiz

#1

Which bone is commonly referred to as the collarbone?

Clavicle
Explanation

The clavicle is commonly known as the collarbone due to its location connecting the shoulder blade to the sternum.

#2

Which of the following is not a function of the skeletal system?

Production of hormones
Explanation

The skeletal system's functions include support, protection, movement, blood cell production, and mineral storage, but hormone production is not one of them.

#3

Which bone in the human body is often referred to as the thigh bone?

Femur
Explanation

The femur, being the longest and strongest bone in the human body, is commonly referred to as the thigh bone.

#4

Which part of the vertebrae protects the spinal cord?

Vertebral arch
Explanation

The vertebral arch, composed of the pedicles, laminae, and spinous processes, forms the posterior portion of each vertebra and protects the spinal cord.

#5

Which bone in the human body is the longest and strongest bone?

Femur
Explanation

The femur, as the longest and strongest bone, supports the body's weight and facilitates movement.

#6

What type of joint is the knee joint?

Hinge joint
Explanation

The knee joint is classified as a hinge joint because it primarily allows for flexion and extension movements.

#7

Which hormone regulates calcium levels in the blood and bone metabolism?

Parathyroid hormone
Explanation

Parathyroid hormone regulates calcium levels in the blood by stimulating the release of calcium from bones and increasing calcium absorption in the intestines and kidneys.

#8

Which of the following is not a type of bone tissue?

Dense bone
Explanation

Dense bone is a type of bone tissue; the options include compact bone, spongy bone, and bone marrow, but dense bone is not among them.

#9

What is the name of the condition characterized by a reduction in bone mass and density, leading to an increased risk of fractures?

Osteoporosis
Explanation

Osteoporosis is a condition marked by decreased bone density and mass, resulting in brittle and fragile bones, increasing the risk of fractures.

#10

Which bone articulates with the tibia and fibula to form the ankle joint?

Talus
Explanation

The talus bone articulates with the tibia and fibula to form the ankle joint, allowing for dorsiflexion and plantarflexion movements.

#11

What is the term for the process of bone formation?

Ossification
Explanation

Ossification refers to the process by which bone tissue is formed, involving the deposition of calcium and other minerals onto a framework of collagen fibers.

#12

Which bone forms the forehead and part of the eye sockets?

Frontal bone
Explanation

The frontal bone forms the forehead and part of the eye sockets, contributing to the structure of the cranium.

#13

Which bone forms the posterior portion of the skull?

Occipital bone
Explanation

The occipital bone forms the posterior portion of the skull, housing the foramen magnum through which the spinal cord passes.

#14

Which bone forms the heel of the foot?

Calcaneus
Explanation

The calcaneus, also known as the heel bone, is the largest of the tarsal bones, forming the heel and providing attachment for the calf muscles.

#15

What is the name of the condition characterized by abnormal lateral curvature of the spine?

Scoliosis
Explanation

Scoliosis is a condition characterized by an abnormal sideways curvature of the spine, often occurring during growth spurts before puberty.

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