Chapter 3: Skeletal System

Question 1

Answer 1

1. Frontal (1)
2. Sphenoid (1)
3. Ethmoid (1)
4. Parietal (2)
5. Temporal (2)
6. Occipital (1)

Question 2

Answer 2

1. Supraorbital Margin
2. Superciliary Arches
3. Glabella
4. Frontal Eminence
5. Parietal Bone (one on each side)

Question 3

Answer 3

1. Occipital Bone
2. Foramen Magnum
3. Occipital Condyle
4. External Occipital Protuberance
5. Carotid Canal

Question 4

Answer 4

1. Squamous Portion
2. Petrous Portion
3. Mastoid Process
4. Mandibular Fossa
5. External Auditory Meatus
6. Zygomatic Process

Question 5

Ear Ossicles

Answer 5

1. Malleus (2)
2. Incus (2)
3. Stapes (2)

Question 6

Answer 6

1. Cribiform plate
2. Crista Galli
3. Ethmoidal Sinuses
4. Ethmoidal Cells

Question 7

Calvari

Answer 7

Domelike superior portion of the cranium, comprising the superior portions of the frontal, parietal, and occipital bones.

Question 8

Orbit

Answer 8

the cavity or socket of the skull in which the eye and its appendages are situated.

Question 9

Answer 9

1. Nasal Bone (2)
2. Lacrimal Bone (2)
3. Zygomatic Bone (2)
4. Temporal Process
5. Maxilla (2)
6. Vomer (1)
7. Inferior Nasal Conchae (2)
8. Mandible (1)
9. Palatine (2)

Question 10

Answer 10

1. Body
2. Alveolar Process
   3.Mental Eminence
3. Angle
4. Ramus

Question 11

Answer 11

1. Palatine Process
2. Alveolar Process
3. Maxillary Sinuses

Question 12

Answer 12

1. Cervical Vertebrae (C1-C7)
2. Thoracic Vertebrae (T1-T12)
3. Lumbar Vertebrae (L1-L5)
4. Sacrum (1)
5. Coccyx (1)

Question 13

Answer 13

1. Manubrium
2. Body
3. Xiphoid Process

Question 14

Answer 14

1. True Ribs (14)
2. False Ribs (10)
3. Floating Ribs (4)

Question 15

How many bones in the Cranium?

Answer 15

8

Question 16

How many bones in the face?

Answer 16

14

Question 17

How many bones in the Vertebral Column?

Answer 17

26

Question 18

How many bones in the Sternum

Answer 18

1

Question 19

How many ribs are there? (NOT including false ribs)

Answer 19

24

Question 20

Floating ribs are…

Answer 20

ribs not attached to the sternum via cartilage

Question 21

C-1

Answer 21

the first vertebrae that meets at the skull. It is called the Atlas and articulates the occipital bone.

Question 22

C-2

Answer 22

called the Axis - forms special articulation with the atlas that allows pivoting action, enabling the head to turn from side to side.

Question 23

Answer 23

1. Stella Turcica (Turkish Saddle)

Question 24

Answer 24

1. Clavicle (2)
2. Scapula (2)
3. Acromion
4. Humerus (2)
5. Ulna (2)
6. Olecranon Process
7. Radius (2)
8. Carpals (8)
9. Metacarpals (10)
10. Phalanges (28)

Question 25

Answer 25

1. Os Coxae
2. Ilium (iliac crest)
3. Ischium
4. Pubis
5. Acetabulum

Question 26

Answer 26

1. Femur (2)
2. Head
3. Condyles
4. Patella (2)
5. Tibia (2)
6. Epicondyles
7. Fibula (2)
8. Lateral Malleolus

Question 27

Answer 27

1. Phalanges (28)
2. Metatarsals (10)
3. Tarsals - Calcaneus (14)