Question

28) Which disease(s) is/are not caused by a virus?

A) Botulism

B) Tetanus

C) Variant Creutzfeldt–Jakob disease (vCJD)

D) All of the above

E) A and B

29) Which of the following is not a body defense against foodborne pathogens?

A) Hemorrhoids

B) Intestinal microflora

C) Low pH of stomach

D) Lysozyme in saliva

E) Secretory IgA in intestine

34) An enterotoxin is a type of …

A) Endotoxin

B) Exotoxin

C) Hypertoxin

D) Uncoupler

E) None of the above

35) Which of the following statements is/are true of food poisoning (intoxication)?

A) It takes approximately 2-3 weeks after eating contaminated food to develop.

B) It can involve either vomiting or diarrhea.

C) It is carefully monitored by MTSU’s College of Basic and Applied Sciences

D) All of the above

E) A and C

Answer 1

28) Which disease(s) is/are not caused by a virus?

D) All of the above

Explanation- Tetanus and botulism are bacterial diseases whereas variant Creutzfeldt–Jakob disease (vCJD) is caused by a prion.

29) Which of the following is not a body defense against foodborne pathogens

A) Hemorrhoids

Explanation- Hemorrhoids are not a body defense against pathogen. They are defined as the symptomatic enlargement and distal displacement of the normal anal cushions. Rest all are body defenses. Foodborne pathogens face a variety of host defenses ranging from biochemical and physical host factors including saliva, gastric acid, peristalsis, intestinal mucous and the barrier formed by enterocytes, to the different levels of immune responses.

34) An enterotoxin is a type of

B) Exotoxin

Explanation- An enterotoxin is a type of protein exotoxin released by a microorganism that targets the intestines. An exotoxin can cause damage to the host by destroying cells or disrupting normal cellular metabolism.

35) Which of the following statements is/are true of food poisoning (intoxication)?

D) All of the above

Explanation- Food poisoning is an illness caused by eating contaminated food. The symptoms of food poisoning usually begin within one to two days of eating contaminated food, although they may start at any point between a few hours and several weeks later. The main symptoms include diarrhoea, vomiting, stomach cramps.It is carefully monitored by MTSU’s College of Basic and Applied Sciences.

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