Strategies, Review of Key Quizzes, and
Practice Questions for Guaranteed
Success.
This NR 283 Week 2 Exam focuses on the body's defense
mechanisms, covering innate immunity (first/second lines of
defense) and basic immune components, including
inflammation. Key topics include inflammatory stages
(vasodilation, WBC infiltration), antigen recognition, antibody
types, and differentiating acute from chronic inflammation.
Key Concepts and Exam Topics:
Lines of Defense:
First Line: Physical/mechanical barriers like skin, mucous
membranes, saliva, and tears.
Second Line: Non-specific, rapid response including
phagocytes (neutrophils, macrophages) and inflammation.
Third Line: Specific immune response, including B and T
lymphocytes, antibodies, and immune memory.
Quiz_________________?
Antigens -
Answer
foreign substances, microbes, or components of a cell that stimulate an immune
response
1
, Quiz_________________?
Antibodies -
Answer
specific proteins produced in the humoral response to bind with an antigen
Quiz_________________?
Thymus -
Answer
gland located in the mediastinum, large in children, decreasing in size in adults; site
of maturation and proliferation of T-lymphocytes
Quiz_________________?
Lymphatic tissue and organs -
Answer
contain many lymphocytes, filter body fluids, remove foreign matter, immune
response
Quiz_________________?
Bone marrow -
Answer
2