ATI RN
Lymphatic System Test Questions Questions 
            
        Question 1 of 5
The complement system's membrane attack complex (MAC) causes:
Correct Answer: B
Rationale: MAC lyses cells; phagocytosis is opsonization, antibodies are B cells, inflammation is cytokines.
Question 2 of 5
The complement system's classical pathway requires:
Correct Answer: A
Rationale: The classical pathway needs antibodies; pathogens trigger alternative, cytokines signal, histamines inflame.
Question 3 of 5
What is the term for immunity from prior exposure?
Correct Answer: A
Rationale: Natural active is from prior exposure; artificial active is vaccines, passive (C, D) is antibody transfer.
Question 4 of 5
With regard to the thymic medulla (ANAT2020 only): It is the site of B lymphocyte education.
Correct Answer: B
Rationale: B-lymphocyte education occurs in bone marrow; the thymic medulla is for T-cell maturation.
Question 5 of 5
limphatic Capillary can remove, fat, bacteria due to:
Correct Answer: B
Rationale: Lymphatic capillaries remove fat and bacteria due to gaps in endothelium and interrupted basal lamina, not tight junctions or non-fenestrated cells.
