Module 6

Question 1

is an example of a synthetic drug that can interfere with Mycolic Acid, a component of the cell wall in Mycobacterium.
(A) Erythromycin
(B) Isoniazid
(C) Quinolone
(D) Penicillin
(E) None of the above

Answer 1

B

Question 2

is a type of sterilization used for incoming letters to the White House that involves exposure to electromagnetic radiation. It can be referred to as cold sterilization meaning it can penetrate solids and liquids without the use of heat.
(A) Ionizing radiation
(B) Filter radiation
(C) Pasteurization
(D) UV radiation
(E) None of the above

Answer 2

A

Question 3

3. Bacteria that become resistant to Penicillin can acquire resistance through which of the following mechanisms?
   (A) Impermeability
   (B) Inactivation
   (C) Mutation in Target
   (D) All of the above
   (E) None of the above

Answer 3

D

Question 4

4. What is causing the rising tide of antibiotic resistance?
   (A) Medical overuse
   (B) Patient compliance
   (C) Agricultural overuse
   (D) All of the above
   (E) None of the above

Answer 4

D

Question 5

5. Which of the following examples of microbial growth control will kill ALL targeted microorganisms?
   (A) Airplane disinfectant
   (B) Radiation sterilization
   (C) Germicide antiseptic
   (D) Antimicrobial pesticide
   (E) None of the above

Answer 5

B

Question 6

6. Which of the following is NOT an example of a synthetic antibiotic?
   (A) Sulfa drugs
   (B) Quinolones
   (C) Isoniazid
   (D) β-Lactam antibiotics
   (E) None of the above

Answer 6

D

Question 7

7. All of the following are ways to reverse the tide of Antibiotic Resistance EXCEPT.
   (A) Prevent infection
   (B) Preserve and protect antibiotics
   (C) Patient Compliance
   (D) Promote antibiotic R&D
   (E) None of the above

Answer 7

C

Question 8

8. You are working in a hospital and need to kill all microorganisms in an operating room. Which of the following sterilization methods is the most practical and safe in this case?
   (A) Flash pasteurization
   (B) Ionizing radiation
   (C) Ultraviolet radiation
   (D) Filter sterilization
   (E) None of the above

Answer 8

C

Question 9

10. A High-Efficiency Particulate Air Filter (HEPA) removes which percent of 0.3µm particles?
    (A) 70%
    (B) 90%
    (C) 0%
    (D) 99.97%
    (E) 50%

Answer 9

D

Question 10

11. Membrane filters use ______ to trap microbes on the surface.
    (A) Polycarbonate film
    (B) Borosilicate Fibers
    (C) Strong polymers like cellulose
    (D) Plastic
    (E) None of the above

Answer 10

C

Question 11

12. Which of the following chemical classes kills bacterial cells?
    (A) Bacteriostatic
    (B) Bacteriocidal
    (C) Bacteriolytic
    (D) B and C
    (E) None of the above

Answer 11

D

Question 12

13. Formaldehyde is an example of _____ chemical control, and it’s mechanism is to ____.
    (A) Bacteriostatic, target cell wall and membranes
    (B) Bacteriocidal, bind to specific cellular targets
    (C) Bacteriolytic, prevent protein synthesis
    (D) Bacteriocidal, target cell wall and membranes
    (E) Bacteriostatic prevent protein synthesis

Answer 12

B

Question 13

14. ____% of patients need antibiotic treatment however, ____% of patients receive antibiotic treatment.
    (A) 20, 80
    (B) 50, 90
    (C) 60, 30
    (D) 10, 70
    (E) 100, 100

Answer 13

A

Question 14

15. Milk that is shelf stable went through which process of growth control?
    (A) Pasteurization
    (B) Filtration
    (C) Radiation
    (D) All of the above
    (E) None of the above

Answer 14

A

Question 15

16. In an autoclave, steam is used under high pressure; what is one reason for the use of steam?
    (A) Steam reduces the amount of microorganisms
    (B) Steam reduces the resistance of spores
    (C) Steam cuts down on the amount of time an item needs to be in the autoclave
    (D) Steam reduces the max heat needed in the autoclave for sterilization
    (E) None of the above

Answer 15

B: because it gets them to open up, if you didnt have steam the spores would survive.

Question 16

17. The use of ionizing radiation sterilization produces _______.
    (A) Energy that modifies DNA
    (B) Energy that breaks DNA
    (C) Radicals that disrupt proteins and lipids
    (D) All of the above
    (E) None of the above

Answer 16

C

Question 17

18. ________ is used to find the amount of chemical needed to inhibit microbial growth.
    (A) Chemical Modifier Technique (CMT)
    (B) Spongebob’s Technique
    (C) Chemical Dosage Technique (CDT)
    (D) Minimum Inhibitory Concentration (MIC)
    (E) None of the above

Answer 17

D

Question 18

19. The search for new antimicrobial drugs include the use of _____.
    (A) New analogs of existing compounds
    (B) Computer drug design
    (C) Drug combinations
    (D) Bacteriophage Therapy
    (E) All of the above

Answer 18

E

Question 19

20. Which of the following is NOT a way to reverse the tide of antibiotic resistance . .
    (A) Prevent infections
    (B) Promote antibiotic R&D
    (C) Preserve and protect antibiotics
    (D) All of the above
    (E) None of the above

Answer 19

E

Question 20

21. You’re set with the task of getting a patient ready for surgery on their knee. What can you do to prevent potential infection.
    (A) Wash your hands
    (B) Put the Patient on antibiotics
    (C) Take antibiotics
    (D) A and B
    (E) None of the above

Answer 20

D

Question 21

22. What would increase the risk of creating an antibiotic resistant strain of bacteria?
    (A) Not taking the full dosage of antibiotics as prescribed.
    (B) Reducing the amount of antibiotics used in food production
    (C) Using antibiotics to stay fresh and clean smelling by using them in the wash
    (D) A and B
    (E) A and C

Answer 21

E

Question 22

23. Which of the following is a danger of free radicals?
    (A) Cancer
    (B) Shatters DNA
    (C) Shreds interior of the cell
    (D) Burns you
    (E) None of the above

Answer 22

C

Question 23

25. What sterilization technique(s) would be used on hospital and laboratory instruments?
    A. Antiseptics
    B. Germicides
    C. Sterilants
    D. Disinfectants
    E. Both C and D

Answer 23

E

Question 24

26. What is folic acid a precursor to?
    A. Nucleic Acids
    B. Proteins
    C. RNA
    D. DNA
    E. None of the above

Answer 24

A

Question 25

27. Which of the following synthetic drugs has a narrow spectrum? A. Quinolones B. Sulfonamides C. Penicillins D. Isoniazid E. None of the above

Answer 25

D

Question 26

28. Which of the following is NOT a mechanism of antibiotic resistance? A. Impermeability B. Mutation in target C. Efflux D. Alternative biochemical pathway E. None of the above

Answer 26

E: all are mechanisms

Question 27

29. What is another function of antibiotics? A. Killing viruses B. Signal molecules C. E. coli using antibiotics to start a war with S. marcescens D. Bacteriophages E. None of the above

Answer 27

B

Question 28

30. What are some forms of controlling microbial growth? (A) Sterilization (B) Disinfection (C) Antisepsis (D) All of the above (E) None of the above

Answer 28

D

Question 29

31. The time it takes to reduce a population of cells 10-fold is known as ___. (A) Pasteurization (B) Decimal reduction time (C) Thermal death time (D) Denaturation time (E) None of the Above

Answer 29

B

Question 30

32. You are working with E. coli in a laboratory environment and want to clean the surface of the counter. Which method would you chose to inhibit the growth of pathogen? (A) Antisepsis (B) Disinfection (C) Medical Asepsis (D) Two of these could be used (E) None these methods are apporpriate

Answer 30

B

Question 31

33. If a patient is diagnosed with tuberculosis which type of synthetic drug would be the best fit for treatment? (A) Penicillin (B) Sulfa Drugs (C) Quinolones (D) Isoniazid (E) None of the above

Answer 31

D