The amount of heat a solid material can absorb before it begins to break down is directly proportional to its ____.
A. density
B. surface-to-mass ratio
C. volume
D. mass
Answer: B
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A 27-year-old pregnant woman was the restrained driver of a vehicle that hit the guardrail at a high rate of speed. She sustained a large laceration to the upper thigh and has lost a significant amount of blood. Vital signs are: heart rate 102, blood pressure 118/78 mmHg, respirations 18, and her skin is pale and clammy. Which of the following BEST explains this patient's presentation?
A) Maternal blood volume increases during pregnancy, allowing vital signs to remain normal despite significant blood loss. B) Fetal oxygen demand increases after trauma, causing maternal blood pressure and heart rate to increase immediately after injury. C) Maternal blood volume decreases during pregnancy, amplifying the effects of epinephrine and allowing for the maintenance of blood pressure. D) Maternal vital signs remain normal following trauma to ensure the survival of the developing fetus.
What would cause you to start transporting a critically injured patient to a local hospital (not equipped for major trauma) instead of waiting on a helicopter for rapid transport to a trauma center 50 miles away?
A) A sudden drop in patient's pulse oximeter reading while you are providing supplemental oxygen B) The beginning of lightning and poor weather conditions C) The patient's statement that he cannot afford the cost of a trauma center D) A request by the family to go to the local hospital
A(n) ________ is an abnormal protrusion of an organ or part of an organ through the wall of the body cavity where it is located.
A. hernia B. hemorrhoid C. ulcer D. pimple
Chapter 19 in ICD-10-CM ________ include codes for birth and obstetrical trauma
A) does B) does not