Carbon monoxide attaches to the same site as oxygen on the hemoglobin molecule, only it attaches 20 times stronger than oxygen.

Which of the following scenarios of a dual relationship has the highest potential for challenges/problems?

a. The roles and expectations in each relationship are relatively equal. b. One of the relationships is a long-term, close friendship; the other is a therapeutic relationship. c. Previous interactions between the parties were short-term and sporadic professional interactions. d. Both parties are aware of the risks and are willing to take them.

The total flow for a 35% air-entrainment mask running at 10 L/min is _____ L/min

a. 43 c. 60 b. 53 d. 65