Microbiology Chapter 16 Test Bank Complete Questions And Answers

Microbiology Chapter 16 Test Bank Complete Questions And Answers Innate immunity A) is slower than adaptive immunity in responding to pathogens. B) is nonspecific and present at birth. C) involves a memory component. D) involves T cells and B cells. E) provides increased susceptibility to disease - ANS is nonspecific and present at birth All of the following protect the skin and mucous membranes from infection EXCEPT A) multiple layers of cells. B) tears. C) saliva. D) HCl. E) the "ciliary escalator." - ANS HCl The function of the "ciliary escalator" is to A) propel inhaled dust and microorganisms toward the mouth, away from the lower respiratory tract. B) remove microorganisms from the gastrointestinal tract. C) remove microorganisms from the lower respiratory tract. D) trap microorganisms in mucus in the upper respiratory tract. E) trap inhaled dust and microorganisms in mucus and propel it away from the lower respiratory tract. - ANS trap inhaled dust and microorganisms in mucus and propel it away from the lower respiratory tract Which of the following exhibits the highest phagocytic activity? A) eosinophils B) erythrocytes C) macrophages D) basophils E) neutrophils - ANS macrophages TLRs attach to all of the following EXCEPT A) AMPs. B) flagellin. C) LPS. D) PAMPs. E) peptidoglycan - ANS AMPs A differential cell count is used to determine each of the following EXCEPT A) the total number of white blood cells. B) the numbers of each type of white blood cell. C) the number of red blood cells. D) leukocytosis. E) leukopenia - ANS the number of red blood cells The complement protein cascade is the same for the classical pathway, alternative pathway, and lectin pathway after the point in the cascade where the activation of ________ takes place. A) C1 B) C2 C) C3 D) C5 E) C6 - ANS C3