final (2) LSUE Micro Lecture Dr al
2025/2026(QUESTIONS & ANSWERS VERIFIED 100%
CORRECT)
which of the following statements about staphyloccal food poisoning is false? - ANSWER-it can be
prevented by boiling food for 5 mins
microscopic examination of a patients fecal culture shows spiral bacteria. the bacteria probably
belongs to to the genus - ANSWER-camplyobacter
clostridium perfringens causes both clostridial food poisoning andq - ANSWER-Gas gangrene
malta fever is caused by a - ANSWER-gran (-) rod, Brucella abortus
An aerobic gram (+) sporeformer that causes food poisoning is - ANSWER-bacillus cereus
Most food fall in a pH range of - ANSWER-5-7
the bacterial limit for pasteurized Grade A milk is - ANSWER-20,000/ML
the disease caused by streptococcus mutans is - ANSWER-dental caries
bacterial intoxications differ from bacterial infections of the digestive system in that intoxications -
ANSWER-have shorter incubation time.
sludge digestion - ANSWER-takes place under anaerobic conditions
coliforms and fecal coliforms are often differenciated based on there responce to - ANSWER-
temperature
which of the following sequences is used in the purification of water - ANSWER-flocculation,filtration,
chlorilination
Ascaris lumbricoides - ANSWER-the largest intestinal nematode and the cause of roundworm disease
a fever that often is high in the daytime and low in the evening is assciated with brucelosis - ANSWER-
uadulant fever
which of the following does not always require the presence of living bacteria - ANSWER-all of the
choices
the time required for a milk sample to change color of added methylene blue is the basis for the -
ANSWER-reductase test
lactose is - ANSWER-dissacharide that can be digested by only a relativly few bacteria
an influenza like disorder transmitted in raw milk caused by - ANSWER-coxiella burnetii
In the standard plate count method, plates used to determine the bacterial count should have______
colonies. - ANSWER-30-300
grade a pasteurized milk may have no more than - ANSWER-20000 total bacterial and 10 coliforms
2025/2026(QUESTIONS & ANSWERS VERIFIED 100%
CORRECT)
which of the following statements about staphyloccal food poisoning is false? - ANSWER-it can be
prevented by boiling food for 5 mins
microscopic examination of a patients fecal culture shows spiral bacteria. the bacteria probably
belongs to to the genus - ANSWER-camplyobacter
clostridium perfringens causes both clostridial food poisoning andq - ANSWER-Gas gangrene
malta fever is caused by a - ANSWER-gran (-) rod, Brucella abortus
An aerobic gram (+) sporeformer that causes food poisoning is - ANSWER-bacillus cereus
Most food fall in a pH range of - ANSWER-5-7
the bacterial limit for pasteurized Grade A milk is - ANSWER-20,000/ML
the disease caused by streptococcus mutans is - ANSWER-dental caries
bacterial intoxications differ from bacterial infections of the digestive system in that intoxications -
ANSWER-have shorter incubation time.
sludge digestion - ANSWER-takes place under anaerobic conditions
coliforms and fecal coliforms are often differenciated based on there responce to - ANSWER-
temperature
which of the following sequences is used in the purification of water - ANSWER-flocculation,filtration,
chlorilination
Ascaris lumbricoides - ANSWER-the largest intestinal nematode and the cause of roundworm disease
a fever that often is high in the daytime and low in the evening is assciated with brucelosis - ANSWER-
uadulant fever
which of the following does not always require the presence of living bacteria - ANSWER-all of the
choices
the time required for a milk sample to change color of added methylene blue is the basis for the -
ANSWER-reductase test
lactose is - ANSWER-dissacharide that can be digested by only a relativly few bacteria
an influenza like disorder transmitted in raw milk caused by - ANSWER-coxiella burnetii
In the standard plate count method, plates used to determine the bacterial count should have______
colonies. - ANSWER-30-300
grade a pasteurized milk may have no more than - ANSWER-20000 total bacterial and 10 coliforms
