A guaiac test is ordered for a patient. Which type of blood is the nurse checking for in this patient's stool?

A) Bright red blood
B) Dark black blood
C) Microscopic
D) Mucoid

Guaiac Test

A diagnostic test used to check for the presence of blood in stool, which can be an indication of gastrointestinal issues such as colorectal cancer.

Microscopic Blood

Blood that is present in such small quantities that it can only be detected under a microscope.