By what age is the growth and development of the lungs complete?

Which formulary contains all approved prescription and nonprescription drugs?

A) Open B) FDA C) Closed D) Restricted

You are on the scene of a 50-year-old male who lacerated his arm on a sheet of plate glass. He is pale, diaphoretic, and mumbling incoherently. You have controlled an arterial bleed with direct pressure. His blood pressure is 70/40, pulse 120, and respiratory rate of 28. Which of the following signs is the most concerning?

A) Respiratory rate B) Tachycardia C) Altered mental status D) Blood pressure