20. Which of the following statements regarding contamination is INCORRECT? A. Viruses need a living host to survive so to control contamination operators who have viral infections are not allowed into cleanrooms B. Endotoxins can be inactivated by heat or chemical treatment to produce a toxoid C. Non-viable contamination includes visible particles, chemicals and pyrogens D. A common source of contamination is the operator E. Endotoxins are less specific and less potent than exotoxins 19. Which of the following describes an intrathecal injection? A. Injection into the muscle B. Injection under the skin C. Injection into the vein D. Injection into the eyes E. Injection into the cerebrospinal fluid

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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20. Which of the following statements regarding
contamination is INCORRECT?
A. Viruses need a living host to survive so to control
contamination operators who have viral infections
are not allowed into cleanrooms
B. Endotoxins can be inactivated by heat or
chemical treatment to produce a toxoid
C. Non-viable contamination includes visible
particles, chemicals and pyrogens
D. A common source of contamination is the
operator
E. Endotoxins are less specific and less potent than
exotoxins
19. Which of the following describes an intrathecal
injection?
A. Injection into the muscle
B. Injection under the skin
C. Injection into the vein
D. Injection into the eyes
E. Injection into the cerebrospinal fluid
Transcribed Image Text:20. Which of the following statements regarding contamination is INCORRECT? A. Viruses need a living host to survive so to control contamination operators who have viral infections are not allowed into cleanrooms B. Endotoxins can be inactivated by heat or chemical treatment to produce a toxoid C. Non-viable contamination includes visible particles, chemicals and pyrogens D. A common source of contamination is the operator E. Endotoxins are less specific and less potent than exotoxins 19. Which of the following describes an intrathecal injection? A. Injection into the muscle B. Injection under the skin C. Injection into the vein D. Injection into the eyes E. Injection into the cerebrospinal fluid
21. Which of the following statements is CORRECT?
A. All commensal flora are not fatal if administered
parenterally to a patient
B. Viruses are an example of non-viable
contamination
C. The chain of infection occurs in the following
order: Organism; reservoir/source; route of exit;
mode of transmission; route of entry; susceptible
patient
D. Endotoxins are pyrogens produced by gram-
positive bacteria only
E. Operators preparing products in the cleanroom
environment are the only source of possible
contamination for the product
Transcribed Image Text:21. Which of the following statements is CORRECT? A. All commensal flora are not fatal if administered parenterally to a patient B. Viruses are an example of non-viable contamination C. The chain of infection occurs in the following order: Organism; reservoir/source; route of exit; mode of transmission; route of entry; susceptible patient D. Endotoxins are pyrogens produced by gram- positive bacteria only E. Operators preparing products in the cleanroom environment are the only source of possible contamination for the product
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