How do sickle cells or spherocytes interfere with the ESR?

a. Prevent rouleaux formation, so falsely decrease
b. Encourage rouleaux formation, so falsely increase
c. Agglutinate and increase red cell mass, so falsely increase
d. Decrease plasma viscosity, so falsely decrease


ANS: A
Abnormally shaped red cells such as sickle cells or spherocytes interfere with rouleaux formation, so they falsely decrease the ESR result.

Health Professions

You might also like to view...

Which of the following statements regarding exterior stairs is LEAST accurate?

A. They may be partially enclosed from the weather. B. They have some level of protection from smoke from inside the building. C. They must comply with requirements unlike those of interior protected stairs. D. They are protected by limiting openings in the building's outside wall near the stairs.

Health Professions

The adult brain can retrain itself. ________ retrains the brain of some people who have lost their vision due to stroke.

A) Vision training therapy B) Vision replacement therapy C) Sight replacement therapy D) None of the above

Health Professions

Which of the following should be included in the Problem List?

A) Resolved conditions B) Rule-out diagnoses C) Possible diagnoses D) Wellness conditions

Health Professions

Which answer below does NOT apply to confidentiality?

the patient can talk to their insurance company about treatment the patient has a right to privacy the dental office does not disclose personal information about the patient the patient must give written permission to have information released to others

Health Professions