In the open circuit washout method, what gas mixture does the patient breathe for the test?

The term for the ridge where the trachea bifurcates into the right and left primary bronchi is the ____________________

Fill in the blank(s) with correct word

The QRS complex and the T wave typically point in the same direction, and T waves that are opposite in direction from the QRS may indicate a problem in the heart or its electrical system.

Answer the following statement true (T) or false (F)