An operating room nurse is preparing for a surgical procedure on an infant. The nurse's perioperative care is based on what physiologic factor that puts infants at greater risk from surgery than adults?
A) Increased vascular rigidity
B) Diminished chest expansion
C) Lower total blood volume
D) Decreased peripheral circulation
Ans: C
Infants are at a greater risk from surgery as a result of various physiologic factors. A major factor is that the infant has a lower total blood volume, making even a small loss of blood a serious consideration because of the risk for dehydration and the inability to respond to the need for increased oxygen during surgery.
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