Sunday, October 25, 2009

worksheet 6B, due Thursdaym, Oct. 29th

Quiz over Outline 6b, p 142-157, bone remodeling, homeostasis, aging, axial divisions.
Answer all questions.

Answer 4 of the following 6 questions about homeostasis.

1. Explain how the skeleton is used for homeostasis? (hint: there is a common mineral involved.)

2. What is the difference between osteoblasts and osteoclasts?

3. What roles do osteoblasts and osteoclasts have in remodeling bones?

4. What happens if bones are not stressed regularly?

5. How are hormones involved in homeostasis of calcium levels?

6. Why is homeostasis of calcium levels important?


Answer 3 of the following 4 questions about bone fractures and healing.

What two things are necessary for a fracture to heal?

What are the 4 steps of bone fracture repair?

3. How long does it typically take to heal a fractured bone?

4. Describe what a fracture hematoma is.


Answer 3 of the following 5 questions about bone markings and skeletal divisions.

Name and describe 3 different surface features of bones.

What is a foramen?

What is sinus?

How many separate bones are there in the adult human skeleton?

What is the difference between the axial and appendicular skeleton?


Answer 6 of the following 9 questions about the skull.

The skull is made up of _________(how many) bones, _______ form the cranium and ______ are associated with the face. (answer with numbers)

Auditory occicles are associated with what sense organs?

The supraorbital foramen is superior to what sense organs?

Where are the parietal bones located?

What bones does the coronal suture connect?

What goes through the foramen magnum?

Why do we move the mandible?

Where is the maxillary bone?

How is the skull of infants different than that of an adult?

Answer 9 of the following 12 questions about the vertebral column.

The vertebral column is made up of 26 bones, 24 v___________, as well as the s__________ and the c_________.

How are the bones of the cervical region named?

How many thoracic vertebrae are there?

How are the lumbar vertebrae different than the other vertebrae?

What is the role of the intervertebral discs and where are they located?

The sacrum is a single bone formed by the fusion of _______ __________ __________.

What is the difference between primary and secondary spinal curves?

What goes through the vertebral foramen?

What is on top of the atlas (C1)?

The atlas rotates on the ___________.

When do the sacral vertebrae fuse?

What bone of the axial column has extensive attachments for leg muscles?

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