What are two reasons why the number of bones vary with age?
Bones are lost due to deterioration of calcium salts
Sesamoid bones form within tendons in response to stress
Some bones fuse together with age
_____
Bones are lost due to deterioration of calcium salts
__X__
Sesamoid bones form within tendons in response to stress
__X__
Some bones fuse together with age
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Which of the following is an extension of the pia mater?
a. denticulate ligaments b. filium terminal c. spinal roots d. a and b
What is the letter associated with the dark bands in a sarcomere?
A. M B. A C. Z D. I E. H
In an EKG, the P wave is generated when the
A. atria depolarize. B. SA node initiates an impulse. C. atria repolarize. D. ventricles repolarize. E. ventricles depolarize.
Which of the following drinks reduces the amount of iron absorbed from food?
A) Wine B) Tea C) Coffee D) Milk