ATI RN
Immune System Questions and Answers Quizlet Questions
Question 1 of 5
Which of the following is a nonspecific mechanism of resistance?
Correct Answer: A
Rationale: The alternative complement pathway is nonspecific, unlike IgE binding or specific B-cell responses.
Question 2 of 5
The spleen is responsible for:
Correct Answer: B
Rationale: The spleen filters blood and mounts immune responses.
Question 3 of 5
Lymphatic vessels play a crucial role in the absorption of dietary fats. Which vessel is responsible for transporting absorbed fats to the bloodstream?
Correct Answer: A
Rationale: The thoracic duct transports dietary fats (chyle) to the bloodstream.
Question 4 of 5
Identify functions of the lymphatic system.
Correct Answer: C
Rationale: The lymphatic system manages fluid balance, fat absorption, and immune defense.
Question 5 of 5
Place the events of inflammation in chronological order. Clotting and swelling walls off the injured area from the rest of the body. Fluid and clotting factors escape into tissues. Release of histamine leads to dilation of blood vessels. Macrophage phagocytize pathogens and stimulate immune responses. Monocytes and neutrophils migrate into injured tissue.
Correct Answer: C
Rationale: Histamine dilates vessels, fluid escapes, clotting occurs, phagocytes migrate, then macrophages act.