Injectable drugs are tested for endotoxins by
A) the Limulus amoebocyte lysate test.
B) counting the viable bacteria.
C) filtering out the cells.
D) looking for turbidity.
E) culturing bacteria.
Answer: A) the Limulus amoebocyte lysate test.
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Microbiology Chapter 15
- Superantigens produce intense immune responses by stimulating lymphocytes to produce ___.
- Which non-specific defense mechanism is mismatched with its associated body structure or body fluid?
- Lysozyme and the antibiotic penicillin have similar mechanisms of action in that they both cause damage to the bacterial
- Which of the following statements about the classical pathway of complement activation is FALSE?
- Several inherited deficiencies in the complement system occur in humans. Which of the following would be the MOST severe?
- All of the following are components of the inflammatory process EXCEPT
- The lectin pathway for complement action is initiated by
- All of the following occur during inflammation. What is the first step?
- All of the following are iron-binding proteins found in humans EXCEPT
- All of the following pertain to fever EXCEPT that it
- Macrophages arise from which of the following?
- Which of the following is involved in resistance to parasitic helminths?
- All of the following are true regarding NK cells EXCEPT
- Activation of C5C9 results in
- After ingesting a pathogen, lysosomal enzymes produce all of the following EXCEPT
- Innate immunity includes all of the following EXCEPT
- Neutrophils with defective lysosomes are unable to
- Activation of C3a results in
- The classical pathway for complement activation is initiated by
- The alternative pathway for complement activation is initiated by
- All of the following are part of the mechanism of action of alpha and beta interferons EXCEPT
- Which of the following is mismatched?
- Which of the following statements is TRUE?
- A chill is a sign that
- All of the following are effects of histamine EXCEPT
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