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Time interval markings on ECG paper are placed at ______-second intervals.  

ETTs can be colonized by bacteria within minutes of insertion.

Which of the following statements about the P wave is TRUE?  

What is the most serious form of extubation edema?

The citric acid cycle oxidizes pyruvate, and some of the pathway intermediates are starting materials for many biosynthetic pathways. This means that the citric acid cycle is ________.

You are preparing for an intubation of a neonate. Select the most appropriate sized laryngoscope blade. 

It is reasonable to maintain cuff pressures at _______ to ________ cm H2O to minimize the risks of tracheal wall injury and aspiration. 

Which amino acid does not have a primary a-amino group?

A single monitoring lead can indicate  

The interval of time in the cardiac cycle when a sufficiently strong stimulus may produce depolarization is called the ______ refractory period.