AEM Final Exam Questions with Verified Answers Latest Version 2025 Already Passed
T/F: E. coli O157:H7 is a major cause of hemorrhagic colitis in the U.S. - Answers True
Why can H. pylori survive and grow in stomach environment? - Answers - ability to produce urease,
neutralizing the stomachs acid by converting urea into ammonia
- spiral shape allows it to penetrate the stomachs mucus layer, protecting it from direct exposure to acid
opportunistic bacteria - Answers Bacteria, normally harmless in healthy hosts, that cause infection when
the immune system is weakened.
what is the biological function of lysosomes during phagocytosis - Answers serve as the digestive and
recycling center during phagocytosis
agglutination - Answers - clumping or aggregation of particles when antibodies bind to antigens
- makes it easier for the immune system to identify/remove foreign particles and reducing their ability to
spread.
Opsonization - Answers antibodies coat a pathogen or foreign particle to enhance its recognition and
uptake by immune cells like macrophages and neutrophils
Describe acquired immune system development - Answers enables the body to recognize, remember,
and respond more effectively to specific pathogens; involves the maturation of specialized immune cells
and the establishment of immune memory
Which of the following is part of the adaptive (active) immune response? - Answers antibody
Another name for an immunoglobulin is - Answers antibody
Which of the following vaccines contain attenuated virus - Answers MMR and Sabin polio
The tetanus component of the DPT vaccine given to young children is a(n) - Answers toxoid
Humoral immune system response defends against - Answers bacteria, bacterial toxins, viruses
only in the humoral immune response is there - Answers secretion of antibody
The variable domain of antibody molecules - Answers binds target antigen
Removing a person's normal flora would likely - Answers lead to disease
The serological reaction known as agglutination is - Answers A reaction involving antigen-antibody
binding
In gram-negative bacilli the protein antigens associated with the Flagellum are designated as - Answers
H Antigens
, Shiga Toxin - Answers - Stx-1 and Stx-2
- Stx-2 is more potent
- causes hemolytic uremic syndrome
- toxin has a high affinity for Gb3 (glycolipid globotriaosylceramide)
- single A-subunit (active) & five B-subunits
HACCP 7 Principles - Answers 1. conduct hazard analysis
2. determine CCPs
3. critical limits
4. monitoring procedures
5. corrective actions
6. verification procedures
7. documentation/record keeping
L. monocytogenes - Answers - gram (+), single rod, peri flagella
- facultative anerobe
- hemolysin-positive
- can grow in 10% NaCl
- pH growth range of 4.1-9.6
- 13 serotypes
USDA-FSIS Three Alternatives - Answers 1. Post lethality treatment (PLT) and antimicrobial agent or
process (AMP)
2. PLT or AMP
3. Sanitation measures
Produce Safety - Answers Stnd for growing, harvesting, packing, and holding of produce for human
consumption
Preventative Controls - Answers current good manufacturing practices and hazard analysis and risk-
based preventative controls for human food
GAPS - Answers - Good Agricultural Practices
T/F: E. coli O157:H7 is a major cause of hemorrhagic colitis in the U.S. - Answers True
Why can H. pylori survive and grow in stomach environment? - Answers - ability to produce urease,
neutralizing the stomachs acid by converting urea into ammonia
- spiral shape allows it to penetrate the stomachs mucus layer, protecting it from direct exposure to acid
opportunistic bacteria - Answers Bacteria, normally harmless in healthy hosts, that cause infection when
the immune system is weakened.
what is the biological function of lysosomes during phagocytosis - Answers serve as the digestive and
recycling center during phagocytosis
agglutination - Answers - clumping or aggregation of particles when antibodies bind to antigens
- makes it easier for the immune system to identify/remove foreign particles and reducing their ability to
spread.
Opsonization - Answers antibodies coat a pathogen or foreign particle to enhance its recognition and
uptake by immune cells like macrophages and neutrophils
Describe acquired immune system development - Answers enables the body to recognize, remember,
and respond more effectively to specific pathogens; involves the maturation of specialized immune cells
and the establishment of immune memory
Which of the following is part of the adaptive (active) immune response? - Answers antibody
Another name for an immunoglobulin is - Answers antibody
Which of the following vaccines contain attenuated virus - Answers MMR and Sabin polio
The tetanus component of the DPT vaccine given to young children is a(n) - Answers toxoid
Humoral immune system response defends against - Answers bacteria, bacterial toxins, viruses
only in the humoral immune response is there - Answers secretion of antibody
The variable domain of antibody molecules - Answers binds target antigen
Removing a person's normal flora would likely - Answers lead to disease
The serological reaction known as agglutination is - Answers A reaction involving antigen-antibody
binding
In gram-negative bacilli the protein antigens associated with the Flagellum are designated as - Answers
H Antigens
, Shiga Toxin - Answers - Stx-1 and Stx-2
- Stx-2 is more potent
- causes hemolytic uremic syndrome
- toxin has a high affinity for Gb3 (glycolipid globotriaosylceramide)
- single A-subunit (active) & five B-subunits
HACCP 7 Principles - Answers 1. conduct hazard analysis
2. determine CCPs
3. critical limits
4. monitoring procedures
5. corrective actions
6. verification procedures
7. documentation/record keeping
L. monocytogenes - Answers - gram (+), single rod, peri flagella
- facultative anerobe
- hemolysin-positive
- can grow in 10% NaCl
- pH growth range of 4.1-9.6
- 13 serotypes
USDA-FSIS Three Alternatives - Answers 1. Post lethality treatment (PLT) and antimicrobial agent or
process (AMP)
2. PLT or AMP
3. Sanitation measures
Produce Safety - Answers Stnd for growing, harvesting, packing, and holding of produce for human
consumption
Preventative Controls - Answers current good manufacturing practices and hazard analysis and risk-
based preventative controls for human food
GAPS - Answers - Good Agricultural Practices
