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Microbiology Quiz #6 - Statistics
General Stats
- This quiz has been taken 11 times
- The average score is 11 of 43
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| When a large enough proportion of the population has acquired immunity to a pathogen, susceptible individuals are protected due to reduced transmission | Herd Immunity | 88%
|
| The ability of a microbe to cause disease | Pathogenicity | 75%
|
| What is the only human disease to be eradicated? | Smallpox | 75%
|
| Science that evaluates occurrence, determinants, distribution, and control of health and disease in a defined human population | Epidemiology | 63%
|
| Who invented the first vaccine? | Edward Jenner | 50%
|
| Dose that kills 50% of experimental animals within a specified period | Lethal dose 50/LD50 | 50%
|
| Increase in disease occurrence within large population over wide region (usually worldwide) | Pandemic | 50%
|
| Living organisms that transmit pathogens | Vector | 50%
|
| Name for a disease in babies who are born with an infectious disease | Congenital | 38%
|
| Sudden, unexpected occurrence of disease, usually focal or in a limited segment of population | Outbreak | 38%
|
| What do some pathogens create which allows them to infect as an airbourne illness? (Examples :Bacillus anthracis, Clostridium species) | Spores | 38%
|
| A preparation of microbial antigens used to induce protective immunity | Vaccine | 38%
|
| The degree or intensity of disease a pathogen can cause | Virulence | 38%
|
| When a disease is transmitted from animals to humans | Zoonosis | 38%
|
| Disease that maintains a relatively steady low-level frequency at a moderately regular interval | Endemic | 25%
|
| Sudden increase in frequency of disease above expected number | Epidemic | 25%
|
| Soluble, heat-labile, proteins that are secreted into surroundings as pathogen grows | Exotoxin | 25%
|
| Period after pathogen entry, before signs and symptoms | Incubation | 25%
|
| Number of pathogens that will infect 50% of an experimental group of hosts in a specified time | Infectious dose 50/ID50 | 25%
|
| Which type of intracellular pathogens only grow when inside cells | Obligate | 25%
|
| Involves scratching scab material from someone with a mild case of smallpox and using it to inoculate scratch in the skin to intentionally cause disease | Variolation | 25%
|
| Vaccine containing purified antigen from pathogen | Acellular/Subunit | 13%
|
| Which type of penetration involves degrading complexes between cells and attacking the extracellular matrix? | Active | 13%
|
| Period where signs and symptoms begin to disappear | Convalescence | 13%
|
| Heat stable components of the pathogen that exert effects in the host when the pathogen lyses or divides | Endotoxin | 13%
|
| Which type of intracellular pathogens grow within or outside cells | Facultative | 13%
|
| Diseases which gradually increase in occurrence frequency above endemic level but not to epidemic level | Hyperendemic | 13%
|
| Period disease is most severe, signs and symptoms | Illness | 13%
|
| The result obtained when vaccine stimulates immunity | Immunisation | 13%
|
| Vaccines containing pathogens that can replicate but only weakly compared to wildtype | Live attenuated | 13%
|
| Period with onset of signs and symptoms not clear enough for diagnosis | Prodromal | 13%
|
| Disease that occurs occasionally and at irregular intervals | Sporadic | 13%
|
| Stimulate T-cells to release cytokines and can trigger cytokine storm – multiple organ failure | Superantigens | 13%
|
| Mixed with antigens in vaccines to enhance the rate and degree of immunization | Adjuvants | 0%
|
| What state are you in if you are carrying a pathogen but showing no symptoms? | Carrier state | 0%
|
| Vaccine response which kills cells that have been infected with intracellular pathogen | Cellular | 0%
|
| Physical interaction between source/reservoir and host, disease spreading person to person | Direct Contact | 0%
|
| Vaccine response causing neutralising antibodies that inactivate extracellular pathogen | Humoral | 0%
|
| Vaccine containing entire pathogen inactivated e.g. with formaldehyde | Inactivated whole cell | 0%
|
| Disease spreading via an infected intermediate, as opposed to person-person transmission | Indirect Contact | 0%
|
| The ability of a pathogen to spread to adjacent tissues | Invasiveness | 0%
|
| Which type of penetration by a pathogen would spread into skin lesions / wounds, insect / animal bites | Passive | 0%
|
| Vaccines containing mRNA | RNA | 0%
|
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