Your Patient Is a 24-Year-Old Male Complaining of a Headache

Your patient is a 24-year-old male complaining of a headache for the past two days. He states he has taken aspirin but cannot get rid of the headache. The patient lives in a basement apartment, which you observe is very chilly. The patient states his furnace hasn't been working and he had to use the oven to help heat the apartment. Which other findings and complaints are most likely?

A) Nausea, vomiting, decreased hemoglobin saturation
B) Rash, nausea, a metallic taste in the mouth
C) Pale skin, sluggish pupils, tachycardia
D) Nausea, vomiting, confusion, tachypnea