Lab 9 Skeletal System

Question 1

How many bones make up the Axial Skeleton?

Answer 1

80

Question 2

How many bones make up the Appendicular Skeleton?

Answer 2

126

Question 3

How many bones are in the adult skeleton?

Answer 3

206

Question 4

What does the Axial Skeleton consist of?

Answer 4

• Skull
• Vertebral Column
• Thoracic Cage

Question 5

What bones make up the Appendicular Skeleton?

Answer 5

• Upper and Lower Limps

- Girdles (pectoral and pelvic)

Question 6

What are the connective tissues between the areas of the infant skull?

Answer 6

Fontanels

-provide flexibility while passing through the birth canal

Question 7

How many facial and cranial bones are there?

Answer 7

22

Question 8

What is the only moveable bone in the skull?

Answer 8

Mandible

Question 9

What is the purpose of fontanels in them infant skull?

Answer 9

To provide flexibility while passing through the birth canal.

Question 10

What structure passes through the Foramen Magnum?

Answer 10

Spinal Cord

Question 11

The occipital condyles rest upon which bone?

Answer 11

Atlas (C1)

Question 12

What is the function of the Hyoid bone?

Answer 12

Attachment point for the muscles of the tongue and larynx

Question 13

How many vertebrae are at each vertebral region?

Answer 13

Cervical 7
Thoracic 12
Lumbar 5

Question 14

How many fused vertebrae make up the sacrum ?

Answer 14

5 fused vertebrae.

Question 15

The coccyx includes how any vertebrae?

Answer 15

3-5 fused vertebrae.

Question 16

Define the attachments points of True Ribs.

Answer 16

attach posteriorly to the thoracic vertebrae and anteriorly to the sternum

Question 17

Which ribs attach to the above ribs’ costal cartilages anteriorly?

Answer 17

False Ribs

Question 18

What are floating ribs?

Answer 18

Ribs 11 and 12, they do not attach anteriorly to the thoracic cage.

Question 19

Which bone is U-shaped and located anteriorly in the upper neck?

Answer 19

Hyoid Bone

Question 20

Which bones are the first 7 bones of the backbone?

Answer 20

Cervical Vertebrae

Question 21

Which region of vertebrae articulate with the ribs?

Answer 21

Thoracic Vertebrae

Question 22

Which 2 bones contribute to the zygomatic arch?

Answer 22

Temporal and Zygomatic bone

Question 23

The maxilla and vomer compose what structure?

Answer 23

Hard Palate

Question 24

How many carpal bones are there?

Answer 24

8

Question 25

How many phalanges are in each hand?

Answer 25

14

Question 26

What are three differences between a male and female pelvis?

Answer 26

Pubic Arch: Males; deep and narrow Women; are shallow and wide

Acetabula: Males; large and close together Female; small and far apart

Pelvic Brim: Male; heart shaped Female; oval

Question 27

Which muscles’ tendon is the patella imbedded in ?

Answer 27

quadriceps femoris muscle

Question 28

How many tarsal bones are in the foot?

Answer 28

7

Question 29

Which bone articulates with the acetabulum and the tibia?

Answer 29

Femur

Question 30

Which bone do you sit on?

Answer 30

Ischial Tuberosity

Question 31

Name the 3 bones compose the os coxae

Answer 31

• Ilium
• Ischium
• Pubis