Axial Skeleton

Question 1

What is the axial skeleton?

Answer 1

The axial skeleton consists of the bones that form the long axis of the body, including the skull, vertebral column, and rib cage.

Question 2

How many bones are in the adult human skull?

Answer 2

The adult human skull is made up of 22 bones.

Question 3

True or False: The vertebral column is composed of 33 vertebrae in total.

Answer 3

True

Question 4

What are the three main parts of the axial skeleton?

Answer 4

The three main parts of the axial skeleton are the skull, vertebral column, and thoracic cage (rib cage).

Question 5

Fill in the blank: The _____ protects the brain.

Answer 5

skull

Question 6

What is the function of the vertebral column?

Answer 6

The vertebral column protects the spinal cord and provides structural support to the body.

Question 7

How many cervical vertebrae are there?

Answer 7

There are 7 cervical vertebrae.

Question 8

What are the names of the first two cervical vertebrae?

Answer 8

The first two cervical vertebrae are called the atlas and the axis.

Question 9

True or False: The thoracic cage consists of the ribs and the sternum.

Answer 9

True

Question 10

How many pairs of ribs are there in the human body?

Answer 10

There are 12 pairs of ribs.

Question 11

What type of bone is the sternum classified as?

Answer 11

The sternum is classified as a flat bone.

Question 12

Fill in the blank: The _____ connects the ribs to the sternum.

Answer 12

costal cartilage

Question 13

What is the total number of bones in the adult vertebral column?

Answer 13

The adult vertebral column typically has 26 bones.

Question 14

How many lumbar vertebrae are there?

Answer 14

There are 5 lumbar vertebrae.

Question 15

What is the sacrum?

Answer 15

The sacrum is a triangular bone formed by the fusion of five vertebrae at the base of the vertebral column.

Question 16

True or False: The coccyx is commonly known as the tailbone.

Answer 16

True

Question 17

What are the regions of the vertebral column?

Answer 17

The regions of the vertebral column are cervical, thoracic, lumbar, sacral, and coccygeal.

Question 18

How many thoracic vertebrae are there?

Answer 18

There are 12 thoracic vertebrae.

Question 19

Fill in the blank: The _____ forms the posterior part of the skull.

Answer 19

occipital bone

Question 20

What is the function of the ribs?

Answer 20

The ribs protect the thoracic cavity and support the upper body.

Question 21

Which bone is known as the breastbone?

Answer 21

The sternum is known as the breastbone.

Question 22

True or False: The hyoid bone is part of the axial skeleton.

Answer 22

True

Question 23

What is the role of the hyoid bone?

Answer 23

The hyoid bone supports the tongue and is involved in swallowing.

Question 24

How many bones make up the nasal cavity?

Answer 24

The nasal cavity is formed by several bones, including the nasal bones, maxillae, and ethmoid bone.

Question 25

What bones make up the zygomatic arch?

Answer 25

The zygomatic arch is formed by the zygomatic bone and the temporal bone.

Question 26

Fill in the blank: The _____ is the only movable bone of the skull.

Answer 26

mandible

Question 27

What is the primary function of the vertebral discs?

Answer 27

The primary function of the vertebral discs is to absorb shock and provide cushioning between vertebrae.

Question 28

How many pairs of floating ribs are there?

Answer 28

There are 2 pairs of floating ribs.

Question 29

True or False: The atlas supports the weight of the head.

Answer 29

True

Question 30

What is the significance of the foramen magnum?

Answer 30

The foramen magnum is the opening in the skull where the spinal cord connects to the brain.

Question 31

Fill in the blank: The _____ bones are located in the middle ear.

Answer 31

ossicles

Question 32

What are the names of the three auditory ossicles?

Answer 32

The three auditory ossicles are the malleus, incus, and stapes.

Question 33

True or False: The vertebrae are classified into two categories: true and false vertebrae.

Answer 33

True

Question 34

How many true ribs are there?

Answer 34

There are 7 pairs of true ribs.

Question 35

What is the term for the bony projection on the temporal bone where the mandible articulates?

Answer 35

The term is the mandibular fossa.

Question 36

Fill in the blank: The _____ bone forms the base of the skull.

Answer 36

sphenoid

Question 37

What is the role of the cervical vertebrae?

Answer 37

The cervical vertebrae support the neck and allow for a wide range of head movements.

Question 38

How many bones are in the adult human cranium?

Answer 38

The adult human cranium is made up of 8 bones.

Question 39

What is the largest bone in the human skull?

Answer 39

The largest bone in the human skull is the frontal bone.

Question 40

True or False: The vertebral column curves to improve balance and flexibility.

Answer 40

True

Question 41

What are the sections of the rib cage?

Answer 41

The rib cage is divided into the true ribs, false ribs, and floating ribs.

Question 42

Fill in the blank: The _____ is the uppermost part of the sternum.

Answer 42

manubrium

Question 43

What is the purpose of the thoracic vertebrae?

Answer 43

The thoracic vertebrae support the rib cage and protect the heart and lungs.