The red blood cells, white blood cells, and platelets are known as the ____. 

A tumor or growth that forms when foreign bodies cannot be destroyed and that is surrounded and walled off is called a:

a. fibroblast. c. melanoma. b. granuloma. d. cyst.

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