Pulse oximetry uses ________ technology to assess the oxygen saturation of hemoglobin in the peripheral tissues

When a concentration is expressed in terms of molarity, what does it tell us about the solution?

A) The number of moles of a solute present in 1 liter of solution B) The number of moles of a solute present in 1,000 grams of solution C) The number of osmoles of a solute present in 1 liter of solution D) The number of osmoles of a solute present in 1,000 grams of solution

A chronic cough is one that lasts for ________ week(s)

A) 1 or more B) 2 or more C) 3 or less D) 3 or more