MICROBIOLOGY A SYSTEMS APPROACH
FINAL PAPER 2026 EXAM Q&A STUDY
GUIDE COMPLETE SOLUTION
◉All of the following pertain to hypochlorites except
A. release hypochlorous acid in solution.
B. cause denaturation of enzymes.
C. found in iodophors.
D. used to disinfect dairy, restaurant, and medical equipment.
E. found in common household bleach.. Answer: C. found in
iodophors.
◉Iodophors include
A. chloramines.
B. betadine.
C. tincture of iodine.
D. alcohols.
E. chlorhexidine.. Answer: B. betadine.
, ◉_____ is a halogen used in gaseous and liquid form for large scale
disinfection of drinking water and sewage.
A. Iodine
B. Chlorine
C. Bromine
D. Fluorine
E. Betadine. Answer: B. Chlorine
◉Which of the following is not true of chloramines?
A. contain chlorine
B. can sanitize and disinfect
C. form trihalomethanes with organic compounds D. are safer than
free chlorine
E. treat wounds and skin surfaces. Answer: C. form trihalomethanes
with organic compounds D. are safer than free chlorine
◉All of the following are phenols or phenolics except
A. Lysol.
FINAL PAPER 2026 EXAM Q&A STUDY
GUIDE COMPLETE SOLUTION
◉All of the following pertain to hypochlorites except
A. release hypochlorous acid in solution.
B. cause denaturation of enzymes.
C. found in iodophors.
D. used to disinfect dairy, restaurant, and medical equipment.
E. found in common household bleach.. Answer: C. found in
iodophors.
◉Iodophors include
A. chloramines.
B. betadine.
C. tincture of iodine.
D. alcohols.
E. chlorhexidine.. Answer: B. betadine.
, ◉_____ is a halogen used in gaseous and liquid form for large scale
disinfection of drinking water and sewage.
A. Iodine
B. Chlorine
C. Bromine
D. Fluorine
E. Betadine. Answer: B. Chlorine
◉Which of the following is not true of chloramines?
A. contain chlorine
B. can sanitize and disinfect
C. form trihalomethanes with organic compounds D. are safer than
free chlorine
E. treat wounds and skin surfaces. Answer: C. form trihalomethanes
with organic compounds D. are safer than free chlorine
◉All of the following are phenols or phenolics except
A. Lysol.