A Patient with Gastrointestinal Bleeding Has a Hemoglobin of 8

A patient with gastrointestinal bleeding has a hemoglobin of 8.5 g/dL. As the nurse assists the patient, who is anxious and irritable, the patient's nasogastric drainage becomes bright red, pulse 130 beats/minute, blood pressure 105/55 mm Hg, respirations 28/minute. The nurse recognizes which of the following is likely responsible for the changes in the patient's vital signs?

A) Early shock
B) Patient anxiety
C) Progressive shock
D) Parasympathetic response