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Most cases of food intoxication are caused by
a. Salmonella enteritidis
b. Staphylococcus aureus
c. Bacillus cereus
d. Giardia lamblia
Bacteria are the single celled organisms that are diverse in the environments. Bacterial infections cause the invasion of the body tissues by which the bacteria secretes the toxins and the byproducts. The infections are treated with antibiotics that affect and inhibit the growth of bacteria in the host cells.
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- Which of the following bacteria that cause food poisoning produces enterotoxin?a) Campylobacter colib) Yersinia enterocoliticac) Bacillus cereus d) Shigella flexnerie) Salmonella enteritidisMost cases of food intoxication are caused by a. Salmonella enteritidis c. hepatitis A virus b. Staphylococcus aureus d. Giardia lambliaWhich of the following species of microbe is associated withbeing a good indicator of fecal contamination and an extremelyversatile opportunistic pathogen?(a) Escherichia coli (d) Shigella dysenteriae(b) Campylobacter jejuni (e) Salmonella typhi(c) Yesinia enterocolitica
- Diarrhoea is not caused by: A)Shigella dysenteriae B)Streptococcus pyogenes C)Clostridium difficile D)Salmonella enteriditisInfection with which of the following can be diagnosed byfinding its eggs in fecal specimens?(a) Rotavirus (d) Hepatitis A(b) Vibrio cholerae (e) Aspergillus niger(c) HelminthsWhich of the following cause human food-borne illness: a. Lactobacillus acidophilus b. adding vinegar (acetic acid) to milk c. the botulinum toxin (Bo-tox) made by Clostridia botulinum d. Listeria monocytogenes e. Salmonella enterica
- Which of the following statements about listeriosis is false?(a) The causative agent, Listeria monocytogens, can befound in many types of food .(b) When pregnant women are infected with Listeria mono-cytogens, the bacteria may cause fetal damage or death.(c) Bacteriophages can be used to eliminate Listeria oncontaminated food.(d) Infection with Listeria monocytogens rarely results inmeningitis.(e) Listeria L-forms lack cell walls and are able to persistinside of macrophages after phagocytosis.Botulism is commonly associated with ingestion of specific typesof food prepared in a particular manner. What is it about both thefood and preparation that encourages infection?Which of the following may be caused by bacteria?a. hepatitisb. stomach ulcersc. constipationd. polyps
- Food borne infections are associated with ingestion of pathogens or blankThis pathogen is usuall foodborne and causes a mostly asymptomic disease. The most common foods associated with it are deli meats and unpasteurized dairy products. It rarely cause meningitis and spsis. It is mainly of concern because it can lead to still birth. This pathogen is a) Stahylococcus aureus b) Streptococci pneumoniae c) Listeria monocytogens d) Streptocpccus pyogenesAll of the following bacteria cause food poisoning EXCEPT: a. Staphylococcus aureus b. Treponema pallidum c. Bacillus cereus d. Escherichia coli O157: H7