Which type of anemia is due to a deficiency of iron in the diet?

The total duration of ventricular depolarization is represented by the ________ on the ECG

A) QRS duration B) QT interval C) PQ interval D) R-R interval

Which endoscopy procedure is usually not performed sterile?

a. Colonoscopy b. Cystoscopy c. Hysteroscopy d. Laparoscopy