What is the anticoagulant in the most commonly utilized tube in hematology, and how does it prevent coagulation from taking place?

The respiratory therapist is examining a patient in the medical ward and notes that the trachea is deviated to the left. All of the following may be causing the tracheal deviation to the left EXCEPT:

a. a right-sided tension pneumothorax. b. a right-sided pleural effusion. c. a tumor mass on the right. d. atelectasis of the right upper lobe.

Extinguishers in buildings should be inspected every ____ days, or must be electronically checked.

A. 10 B. 15 C. 30 D. 90