The ability of a muscle to continue repeated contractions without fatigue is :

Which of the following factors must be kept in mind when considering the severity of external bleeding?

a. Signs of shock do not appear until a large amount of blood is lost. b. A person in poor health cannot tolerate the same amount of blood loss as a healthier person. c. The amount of blood loss is easily estimated by the amount of blood visible on the snow. d. Children show signs of shock much more quickly than do adults.

The MOST obvious risk associated with extubation is:

A) moderate airway swelling as the ET tube is removed. B) overestimating the patient's ability to protect his or her own airway. C) patient retching and gagging as you remove the ET tube. D) stimulation of the parasympathetic nervous system with resulting bradycardia.