Podcast
Questions and Answers
What is the primary effect of tetanospasmin on the nervous system?
What is the primary effect of tetanospasmin on the nervous system?
- Stimulation of inhibitory neurotransmitters
- Enhancement of acetylcholine release
- Direct muscle stimulation
- Blockage of the release of inhibitory neurotransmitters (correct)
Which type of bacteria is associated with the production of endotoxins?
Which type of bacteria is associated with the production of endotoxins?
- Viruses
- Fungi
- Gram-positive bacteria
- Gram-negative bacteria (correct)
What is the result of endotoxin stimulation of macrophages?
What is the result of endotoxin stimulation of macrophages?
- Apoptosis of immune cells
- Release of antibodies
- Activation of T-cells
- Production of cytokines (correct)
Which of the following is NOT a factor contributing to the pathogenicity of a virus?
Which of the following is NOT a factor contributing to the pathogenicity of a virus?
What is the result of the blockage of acetylcholine release by tetanospasmin?
What is the result of the blockage of acetylcholine release by tetanospasmin?
What is the term for the disruption of the lining of the gastrointestinal tract caused by an exotoxin?
What is the term for the disruption of the lining of the gastrointestinal tract caused by an exotoxin?
What is a result of chronic infections caused by fungi?
What is a result of chronic infections caused by fungi?
How do proteases contribute to the pathogenic effect of fungi?
How do proteases contribute to the pathogenic effect of fungi?
What is the primary mechanism by which Streptococcus pneumoniae escapes host defenses?
What is the primary mechanism by which Streptococcus pneumoniae escapes host defenses?
What is the number of new cases of a disease in a defined population over a specific period?
What is the number of new cases of a disease in a defined population over a specific period?
What is the primary mechanism by which Giardia escapes host defenses?
What is the primary mechanism by which Giardia escapes host defenses?
What is the period prevalence of a disease?
What is the period prevalence of a disease?
Which animal is a known reservoir of rabies?
Which animal is a known reservoir of rabies?
Which disease in humans may be acquired by ingestion of prion-infected beef?
Which disease in humans may be acquired by ingestion of prion-infected beef?
What disease may be acquired from infected birds?
What disease may be acquired from infected birds?
Which bacterium may infect persons skinning rabbits?
Which bacterium may infect persons skinning rabbits?
Which mode of transmission involves arthropods?
Which mode of transmission involves arthropods?
What are the age groups that are most susceptible to infectious diseases?
What are the age groups that are most susceptible to infectious diseases?
How does stress affect host susceptibility to infection?
How does stress affect host susceptibility to infection?
How does malnutrition affect host susceptibility to infection?
How does malnutrition affect host susceptibility to infection?
Which of the following can reduce host resistance to infections?
Which of the following can reduce host resistance to infections?
What is the definition of a reservoir in relation to infectious diseases?
What is the definition of a reservoir in relation to infectious diseases?
Which of the following can compromise an individual's immune system?
Which of the following can compromise an individual's immune system?
Which type of carrier can transmit a pathogen during the incubation period of a particular infectious disease?
Which type of carrier can transmit a pathogen during the incubation period of a particular infectious disease?
What is a zoonotic disease acquired by?
What is a zoonotic disease acquired by?
What are non-living reservoirs of infection that include?
What are non-living reservoirs of infection that include?
Which type of carrier harbors and can transmit a particular pathogen while recovering from an infectious disease?
Which type of carrier harbors and can transmit a particular pathogen while recovering from an infectious disease?
What types of arthropods can serve as reservoirs of infection?
What types of arthropods can serve as reservoirs of infection?
What is the most important reservoir of human infectious diseases?
What is the most important reservoir of human infectious diseases?
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