During a 15 second suctioning procedure, a patient’s pulse decreases to 50/min and his blood pressure decreases from 120/80 to 80/50 mm Hg. Which of the following is the most likely cause of these changes?

The respiratory therapist is preparing to suction a patient who has an endotracheal tube in place. Which of the following is a necessary step in the suctioning procedure?

What size suction catheter would you select to suction a patient with a 8.5 mm ID tracheostomy tube?

A respiratory therapist notices that a patient’s Yankauer suction catheter is cracked. The best thing to do is:

A properly sized suction catheter should be no larger than what fraction of an adult ETT’s ID?

While performing nasal tracheal suctioning, the respiratory therapist notices a drop in heart rate from 80/min to 62/min. After discontinuing the suction procedure, the therapist should

Which of the following statements about the use of a Lukens trap are true? I. A vacuum source is needed. II. All connections must be airtight. III. Either a suction catheter or a bronchoscope is needed. IV. It is indicated for a patient with a strong, productive cough.

When the student saw his test grade, his mouth began to ____.

____ means the difference between motor winding temperature and the ambient temperature.

For every ____ degree Celsius rise above the motor’s rated temperature, the motor’s insulation life is cut in half.