Question

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

1. which laboratory test determines whether pathogens are present in blood?

a. shilling test
b. antinuclear antibody
c. blood culture
d. prothrombin time
e. partial thromboplastin time

Explanation:

• A blood culture is a test that is done to check for pathogens (such as bacteria or fungi) in the blood.
• The Shilling test is used to diagnose pernicious anemia (related to vitamin B12 absorption).
• Antinuclear antibody test is for autoimmune disorders (checks for antibodies against cell nuclei).
• Prothrombin time and partial thromboplastin time are tests related to blood clotting (checking the time it takes for blood to clot).

Answer:

C. Blood culture