MCB 150 Midterm 1 Exam Questions with Correct Answers 100% PASS

MCB 150 Midterm 1 Exam
Questions with Correct Answers
100% PASS

Innate (natural) immunity - CORRECT ANSWER-rapid, nonspecific immune

response

Adaptive (acquired) immunity - CORRECT ANSWER-slower, highly specific

immune response

Pathogen - CORRECT ANSWER-Microbe that causes disease

Antigen - CORRECT ANSWER-Material (from a pathogen) that induces an

immune reponse

Leukocytes - CORRECT ANSWER-WBCs (including lymphocytes and myeloid

cells)

Lymphocytes - CORRECT ANSWER-Specialized WBCs that mediate adaptive

immunity (eg B and T cells)

Thymus - CORRECT ANSWER-Primary lymphoid organ for T cell development

, Bone Marrow - CORRECT ANSWER-Primary lymphoid organ for B cell

development

Lymph Nodes - CORRECT ANSWER-Collect antigens from tissues

Spleen - CORRECT ANSWER-Collect antigens from blood stream

Myeloid Cells - CORRECT ANSWER-WBCs (other than lymphocytes) that

mediate innate responses [macrophages, neutrophils, dendritic cells)

T Helper Cells - CORRECT ANSWER-Regulate other immune cells

T cytotoxic Cells - CORRECT ANSWER-Kill infected cells

B Cells - CORRECT ANSWER-Produce antibodies (immunoglobulin)

Dendritic cells/Macrophages - CORRECT ANSWER-[Innate] Do phagocytosis

[Adaptive] Help activate T cells (antigen presenting)

Pattern Recognition Theory - CORRECT ANSWER-Pathogens contain molecular

patterns that differ from host cells (PAMPs). These can be recognized by immune

cells using specific receptors

Danger Theory - CORRECT ANSWER-Pathogens cause damage to tissues, which

leads to the release of alarm signals (DAMPs) that trigger immune responses.

[ex- uric acid release from dying cells]




COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED