Which portion of the oxhemoglobin dissociation curve illustrates that hemoglobin has a safety zone for the loading of oxygen in the lungs?

Which of the following statements about the isothermic saturation boundary is true?

a. Exercise causes the isothermic saturation boundary to shift higher in the trachea. b. At 2 cm above the carina, inhaled gas reaches BTPS. c. Inhalation through the mouth shifts the isothermic saturation boundary down-ward. d. Below the isothermic saturation boundary, temperature and relative humidity are var-iables.

Triage involves sorting patients to be seen based on the severity of their condition

Indicate whether the statement is true or false