Identify a true statement about the healing process of stress fractures.
A. It requires soft tissues to become positioned between the severed ends of a bone.
B. It involves the removal of platelets from the fractured area.
C. It involves restoring a balance of osteoclastic and osteoblastic activity.
D. It requires that axial compression by muscular activity leads to an increase in bone resorption.
Answer: C
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The human MHC locus is one of the most polymorphic regions of the genome. What does this mean?
A. It has the most different genes. B. There are many different alleles of these genes. C. Sequence variability is low in this region. D. There are many introns in this region. E. This region is regulated by many different mechanisms.
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What will be an ideal response?
After a sonogram revealed stones in the gallbladder, Mr. Smith was scheduled for a gallbladder resection or:
a. choledochotomy b. cholecystectomy c. salpingectomy d. hysterectomy e. tonsillectomy