Mental stress can affect the body's ability to fight infection

A temporary or permanent surgically created opening that connects an internal organ to the surface of the body is a/an:

A) ostomy. B) otomy. C) ectomy. D) stomosis.

The 6-second method for calculating the rate of a cardiac rhythm:

A) involves counting the number of QRS complexes in a 6-second strip and multiplying that number by 10. B) is an accurate method for calculating the heart rate if the cardiac rhythm is grossly irregular and very fast. C) will yield an estimated heart rate that is typically within 2 to 3 beats per minute of the actual heart rate. D) takes longer than other methods of calculating the rate and is thus impractical to use with critical patients.