Question

chapter 9: blood, lymphatic, and immune systems
read each question, select an answer, then click the \submit\ button.

1. which diagnostic test identifies antibodies that attack the individuals own body cells?

a. blood culture
b. complete blood count
c. antinuclear antibody
d. hematocrit
e. monospot

Explanation:

• Blood culture: Used to detect bacteria or fungi in the blood, not antibodies attacking self - cells.
• Complete blood count: Measures different components of blood (e.g., red blood cells, white blood cells, platelets), not specific antibodies attacking self - cells.
• Antinuclear antibody (ANA): Tests for antibodies that target the body's own cells (autoantibodies). In autoimmune diseases, these antibodies can attack the body's own tissues.
• Hematocrit: Measures the proportion of red blood cells in the blood, not related to antibodies attacking self - cells.
• Monospot: Used to diagnose mononucleosis (infection with Epstein - Barr virus), not for detecting antibodies that attack self - cells.

Answer:

C. Antinuclear antibody