Skeletal System : The Axial System

Question 1

What are 5 main types of bone based on shape?

Answer 1

1. Long
2. Short
3. Flat
4. Irregular
5. Sesamoid

Question 2

What are small, extra bone plates located within the sutures of cranial bones?

Answer 2

Sutural Bones

Question 3

What are the jointed areas where flat bones come together?

Answer 3

Sutures

Question 4

What are the 2 major types of surface markings?

Answer 4

1. Depression / Openings
2. Processes

Question 5

Depression + Openings or Processes
- Allow the passage of soft tissues
- Form joints

Answer 5

Depression + Openings

Question 6

What is a narrow slit between bones for passage of blood vessels or nerves?

Answer 6

Fissure

Question 7

What is a hole for passage of blood vessels, nerves or ligaments?

Answer 7

Foramen

Question 8

What is a shallow depression?

Answer 8

Fossa

Question 9

What is a furrow on a bone for passage of blood vessel, nerve or tendon?

Answer 9

Sulcus

Question 10

What is a tubelike opening?

Answer 10

Meatus

Question 11

What is a rounded projection with a smooth articular surface?

Answer 11

Condyle

Question 12

What is a smooth, flat, slightly concave articular surface?

Answer 12

Facet

Question 13

What is usually rounded articular process supported on a neck?

Answer 13

Head

Question 14

What is a prominent ridge or elongated process?

Answer 14

Crest

Question 15

What is usually roughened projection on a condyle?

Answer 15

Epicondyle

Question 16

What is a long, narrow ridge or border (less prominent than a crest)?

Answer 16

Line

Question 17

What is a sharp, slender projection?

Answer 17

Spinous process

Question 18

What is a very large projection found only on the femur?

Answer 18

Trochanter

Question 19

What is a variably sized rounded projection?

Answer 19

Tubercle

Question 20

What is a variably sized projection with rough, bumpy surface?

Answer 20

Tuberosity

Question 21

How many bones does the skull contain?

Answer 21

22 bones

Question 22

What is the largest and strongest facial bone?
only the moveable skull bone?

Answer 22

Mandible

Question 23

What is an immoveable joint?

Answer 23

Sutures

Question 24

What bone does not articulate with any other bone?
supports the tongue and provides an attachment site for some muscles of the neck and pharynx

Answer 24

Hyoid bone

Question 25

What is also known as the spinal column, backbone or spine? What protects the spinal cord?

Answer 25

Vertebral column

Question 26

What is composed of 26 vertebrae? How many regions is it divided into?

Answer 26

Vertebral Column 5 regions

Question 27

What is located between the bodies of the vertebrae from the second cervical to the sacrum?

Answer 27

Intervertebral Discs

Question 28

What supports the ribs and have special structures for rib head and tubercle attachment?

Answer 28

Thoracic Vertebrae

Question 29

What is the largest and strongest vertebrae? no special structures that are specifically associated with these vertebrae

Answer 29

Lumbar Vertebrae

Question 30

What is a triangular shape and is a part of the pelvic girdle and is composed of 5 vertebrae that fuse?

Answer 30

Sacrum

Question 31

What is smaller than the sacrum but is also triangular in shape and is composed of 4 vertebrae that fuse?

Answer 31

Coccyx

Question 32

What is the entire chest region?

Answer 32

Thorax

Question 33

What bones compose the thoracic cage?

Answer 33

Sternum, Ribs and Costal Cartilage

Question 34

How many segments is the sternum composed of? What are they?

Answer 34

3 segments - Upper manubrium - middle body - lower xiphoid process

Question 35

How many segments is the sternum composed of? What are they?

Answer 35

3 segments - Upper manubrium - middle body - lower xiphoid process

Question 36

What articulates with the clavicles and costal cartilages?

Answer 36

Sternum

Question 37

How many pairs does the ribs have?

Answer 37

12

Question 38

What are the true (vertebrosternal) ribs? What is the cartilage directed to?

Answer 38

7 pairs

Question 39

What are the true (vertebrosternal) ribs? What is the cartilage directed to?

Answer 39

The fist 7 pairs They're connected to sternum

Question 40

What are the false (vertebrochondral) ribs? Is the cartilage connected to the sternum?

Answer 40

next 5 pairs They are indirectly connected to the sternum

Question 41

What are the floating ribs? Are they connected to the sternum?

Answer 41

Last 2 pairs They are not connected to the sternum