Ctc Skeletal System

1. What are the correct names and functions of the 1st and 2nd cervical vertebrae?

Thoracic - supports the rib cage

Lumbar - supports lower back movement

Atlas - helps provide support (1st)
Axis - allows for rotation of head (2nd)

Sacrum - connects the spine to the pelvis

The 1st cervical vertebra is known as the Atlas, which helps provide support, while the 2nd cervical vertebra is known as the Axis, which allows for rotation of the head.

Explanation

The 1st cervical vertebra is known as the Atlas, which helps provide support, while the 2nd cervical vertebra is known as the Axis, which allows for rotation of the head.

About This Quiz

Explore the intricacies of the human skeletal system with this focused assessment. Perfect for learners aiming to deepen their understanding of anatomy, this content evaluates key aspects of... see morebone structure, function, and health, enhancing both academic and practical knowledge in the field. see less

2. Which vertebrae bear the most weight in the human spine?

Sacral vertebrae

Cervical vertebrae

Thoracic vertebrae

Lumbar vertebrae

The lumbar vertebrae are the largest and strongest vertebrae in the lower back, designed to bear the most weight and provide stability for the body during movement.

Explanation

The lumbar vertebrae are the largest and strongest vertebrae in the lower back, designed to bear the most weight and provide stability for the body during movement.

3. What does the appendicular skeleton include?

Organs in the abdominal cavity.

Muscles and tendons in the body.

Bones of the skull and vertebral column.

Includes appendages and their attachments to axial skeleton.
bones of the upper and lower extremities of the body

The appendicular skeleton consists of the bones of the upper and lower extremities of the body, and includes appendages and their attachments to the axial skeleton. It does not include bones of the skull and vertebral column, muscles and tendons in the body, or organs in the abdominal cavity.

Explanation

4. What does the axial skeleton consist of?

Bones of the hands and feet (metacarpals, metatarsals)

Bones of the arms and legs (humerus, femur)

Bones of the head, neck and torso (head, vertebrae, ribs and the sternum)

Teeth and jaw bones

The axial skeleton includes bones of the head, neck, and torso, such as the skull, vertebrae, ribs, and sternum. It provides support and protects vital organs like the brain and heart.

Explanation

The axial skeleton includes bones of the head, neck, and torso, such as the skull, vertebrae, ribs, and sternum. It provides support and protects vital organs like the brain and heart.

5. What is the ischial tuberosity?

Smooth area at the top of the head

Curved bone between the shoulder and elbow

Bony landmark in the middle of the chest

Rough area of bone that you sit on