(Lab 6) Bones of the Skeleton

Question 1

The skull without the jawbone.

Answer 1

The Cranium.

Question 2

The large opening in which the brain stem attaches to the skull.

Answer 2

The Foramen Magnum.

Question 3

The unmovable fibrous joints that join the bones of the cranium.

Answer 3

Sutures

Question 4

What is a Fontanelle?

Answer 4

A soft spot on a baby’s head where the suture space is particularly large.

Question 5

What are the first two vertebrae in the skeleton called, and why?

Answer 5

C1: Atlas
C2: Axis

Question 6

How do you differentiate the cervical vertebra from the rest of the vertebra?

Answer 6

Only cervical vertebra have transverse foramen (for the nerves to run through for the brain.)

Question 7

How many ribs are there?

Answer 7

24 ribs, 12 pairs

Question 8

Differentiate between “True Ribs” and “False Ribs.” What is the third kind of rib?

Answer 8

1. True Ribs (Top 7 pairs)
   False Ribs (Next 3 pairs)
2. Floating Ribs (Last 2 pairs)

Question 9

How many Cervical Vertebrae are there?

Answer 9

C1-C7, 7 in total
The first two have specific names.

Question 10

What are the three sections of the Vertebral Column?

Answer 10

1. Cervical (C1-C7)
2. Thoracic (Th1-Th12)
3. Lumbar (L1-L5)