Why must a surgeon repairing a damaged joint be certain to maintain the shape of the articulating surfaces?
A) This will only be a problem initially, as the joint will alter its shape to adapt to the new
configuration.
B) Nonmatching articulating surfaces are not a problem; most joints have surfaces that do
not match.
C) This is not a problem because rapidly growing cartilage will fill in areas that do not match
correctly.
D) Incorrectly apposed articulating surfaces might develop abnormal ankyloses.
E) None of the answers are correct.
D) Incorrectly apposed articulating surfaces might develop abnormal ankyloses.
You might also like to view...
The respiratory center is found in the medulla oblongata.
Answer the following statement true (T) or false (F)
The adrenal medulla produces the hormones
A) synephrine and neosynephrine. B) epinephrine and norepinephrine. C) corticosterone and testosterone. D) androgens and progesterone. E) cortisone and cortisol.
Calcitonin
a. enhances the effect of parathyroid hormone on bone and kidneys. b. is synthesized in the skin in the presence of sunlight. c. deficiency produces diabetes insipidus. d. is secreted by the thyroid follicular cells. e. none of these answers.
Standing on tiptoes is an example of a:
A) first-class lever system. B) second-class lever system. C) third-class lever system. D) lever system demonstrating mechanical disadvantage.