Which red blood component measures the volume of the cell to determine if the cell is over or under sized?

Daniel, aged 48 years, presents to the clinic with complaints of difficulty swallowing.  He describes the sensation as having “food stuck in his throat”.  Daniel denies any other complaints but admits to smoking 1 pack of cigarettes daily for that last 10 years.  What is the most appropriate action for the provider?

The FNP is evaluating a CBC that reveals an abnormally low Hgb, Hct, and RBC count. Which of the following lab values would assist the FNP in determining if the anemia was microcytic or macrocytic?

Which of the laboratory tests listed below is must specific for measuring liver function or dysfunction?

Which of the following diagnosis is a hemolytic anemia?

Angela, aged 32 years old, presents to the clinic with complaints of nausea, vomiting and diarrhea that began suddenly last night.  Angela reports that 2 out of 3 of her children have had the same symptoms in the last week.  She reports taking Zofran with some relief of symptoms. It is highly probable that Angela has contracted gastroenteritis from her children.  Angela asks about anti-diarrheal medications as she is quite miserable with the frequency of diarrhea stools.  What is the best response by the provider?

Iron deficiency anemia manifests as a microcytic hypochromic anemia. These cells can be described as:

A 22 year-old African American patient presents to the clinic with the following chief complaint, “It is happening again. I am having increased fatigue, joint pain, and swelling.” You know this patient is having a pain crisis and is suffering from which blood cell disorder?

Late Iron Deficiency typically manifests as:

Which red blood cell component has demonstrated reliability as an early marker of microcytic and macrocytic anemias?