The following questions may require the use of an ICD-9-CM code book to complete the sentence.

Aspiration of bone marrow from a donor for transplant is coded to procedure code _________

When he is assessing a 3-year-old child for possible injuries after the child fell down a flight of stairs, which of the following would raise the EMT's suspicion that the child may be a victim of physical abuse?

A) The child cries when you palpate his arm. B) Several bruises are located on his knees and shins. C) The child is fearful and appears malnourished. D) Bruises are found on his chest and abdomen.

Which of the following would cause the greatest increase in cardiac output?

A. increased heart rate and increased stroke volume B. decreased stroke volume and increased heart rate C. decreased heart rate and increased stroke volume D. decreased stroke volume and decreased heart rate