A 45-year-old man is in the clinic for a routine physical. During history the patient states he has been having difficulty sleeping

A 45-year-old man is in the clinic for a routine physical. During history the patient states he has been having difficulty sleeping. I’ll be sleeping great and then I wake up and feel like I can’t catch my breath. The FNP‘s best response to this would be 

a. “When was your last electrocardiogram?” 

b. “It’s probably because it’s been so hot at night.” 

c. “Do you have any history of problems with your heart?” 

d. “Have you had a recent sinus infection or upper respiratory infection

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