Term
| Incidence is a better measure than prevalence for judging whether an outbreak is coming to an end. |
|
Definition
|
|
Term
| Under certain circumstances a person's normal flora can cause disease. |
|
Definition
|
|
Term
| All species in the genus Staphylococcus are coagulase-positive. |
|
Definition
|
|
Term
| With respect to zoonoses, the reservoir and vector are always the same. |
|
Definition
|
|
Term
| Some bacteria have enzymes that hydrolyze secretory IgA. these enzymes are virulence factors. |
|
Definition
|
|
Term
| A temporary increase in the number of cases of a disease is called an outbreak. |
|
Definition
|
|
Term
| A disease can have an infectious cause yet be non-communicable. |
|
Definition
|
|
Term
| Streptococcus pyogenes is a Group A B-hemolytic strep. |
|
Definition
|
|
Term
| Human herpesviruses establish life-long infections in people. |
|
Definition
|
|
Term
| Because of respiratory droplet transmission, nursing home outbreaks of shingles are quite common. |
|
Definition
|
|
Term
| People with immune deficiencies are more likely than normal people to have opportunistic infections. |
|
Definition
|
|
Term
| The measles virus causes permanent, lifelong infections. |
|
Definition
|
|
Term
| Infectious dose measures the number of cells or virus particles required to produce and infection |
|
Definition
|
|
Term
| Fomites are small insects that transmit bacterial and viral pathogens |
|
Definition
|
|
Term
| Some viruses can cause cancer |
|
Definition
|
|
Term
| If a pathogen is described as "opportunistic" |
|
Definition
| it will not cause disease in most healthy people. |
|
|
Term
|
Definition
| structures on pathogens that help them adhere to body surfaces. |
|
|
Term
Which of these diseases are Not due to a bacterial toxin?
tetanus scalded skin syndrome
toxic shock syndrome |
|
Definition
|
|
Term
| When people disinfect benches and lockers in locker rooms, they are trying to prevent _____ transmission of MRSA. |
|
Definition
|
|
Term
| This opportunistic fungus can infect the mouth, vagina, and diaper area |
|
Definition
|
|
Term
| In recent years, outbreak investivations in dialysis and other health-care settings have demonstrated that mishandling of parenteral medicaion vials can contribute to the risk for hepatitis C virus HCV infection" This is a quote from the 8/15/08 MMWR. How are parenteral medicines given to patients? |
|
Definition
| in some way that involves a break in ghe skin, such as injection |
|
|
Term
|
Definition
|
|
Term
| skin infections resembling spider bites |
|
Definition
| a gram-positive catalase-positive coccus. |
|
|
Term
| opportunistic burn infections |
|
Definition
|
|
Term
|
Definition
|
|
Term
| One way that CA-MRSA and HA-MRSA are the same is |
|
Definition
| they are both coagulase positive |
|
|
Term
| From 3/07 Applied and Environmental Microbiology: "rotavirus was detected on 16 to 30% of fomites in day care" Which of the following is a fomite that might be found in a day care? |
|
Definition
|
|
Term
| Suppose the infectious dose for Pathogen X is 10,000 cells. If patients are passively immunized against Pathogen X, which of the following is the most reasonable infectious dose in the immunized patients? |
|
Definition
|
|
Term
| A serious disease that is occurring all over the planet is |
|
Definition
|
|
Term
| According to a page at virology-online, the cytopathic effect fo Varicella Zoster Virus is unique. In other words, |
|
Definition
| the virus tha tcauses chickenpox produces unique and visible changes to cells |
|
|
Term
| If an epidemiologist reports that there are currently 5,280 people sick with a certain disease, he/she is reporting |
|
Definition
|
|
Term
| What is the typical habitat for Clostridium ramosum? Habitat = the place where an organism lives. |
|
Definition
|
|
Term
| How might this doctor have established that the transient bacteremia was indeed transient? |
|
Definition
gram stain a pure culture,
vaginal swabbing
observing that C. ramosum was found only sporadically in blood.
all of the above |
|
|
Term
| As of October 27 there have been 93 deaths in children from H1N1 influenza." This sentence describes |
|
Definition
|
|
Term
| What role do fleas play in epidemiology of plague |
|
Definition
|
|
Term
| What role do rodents play in the epidemiology of plague? |
|
Definition
| Y. pestis lives in rodents (reservoir) |
|
|
Term
| Does the boxed text suggest that Y. pestis is being frequently re-introduced into populatkions of rodents |
|
Definition
| No, it is permanently established in many rodent populations. |
|
|
Term
| Which of the following is a real difference between endotoxins and exotoxins? |
|
Definition
| Only Gram-negative bacteria make endotoxins, and only gram-positive bacteria make exotoxins. |
|
|
Term
| A 15 year old girl has a rash fever adn hypotension. She feels sick and weak. Her blood is cultured but no bacterial grow she is just finishing her menstrual period. She sometimes forgets to chane a tampon more than once a day. Which one of the following is probably NOT related to this girl's illness? |
|
Definition
|
|
Term
| How could these scientists possibly know whether the MRSA were community acquired or hospital aquired, since the bacteria were actually found on public beaches |
|
Definition
| These 2 types of bacterial are genetically distinct, so they might have looked at what genes the beach bacteria had. |
|
|
Term
| You have a gram-positive coccus that is catalase-negative. It might be a ____ but it's certainly not a staphylococcus |
|
Definition
| streptococcus, staphylococcus |
|
|
Term
| If drinking water is not properly disinfected, people whodrink this water are at risk of diseases with ____ transmission. |
|
Definition
|
|
Term
| In question 42, water would be considered a ____ for transmission |
|
Definition
|
|
Term
A patient has a bloodstreme infection with a Group B Streptococcus
Could the infecting organism be streptococcus pyogenes? |
|
Definition
|
|
Term
| What is the gram stain shape of the Group B Streptococcus? |
|
Definition
|
|
Term
| Na is the atomic symbol for sodium |
|
Definition
|
|
Term
| Xylitol is a small phospholipid that reduces rates of tooth decay. |
|
Definition
|
|
Term
| A virus is best defined as an extremely small, parasitic cell |
|
Definition
|
|
Term
| Dextran is a polysaccharide that helps bacteria stick to teeth and form biofilms |
|
Definition
|
|
Term
| Gram negative bacteria use waxes in their outer membrane to protect them from toxic chemicals |
|
Definition
|
|
Term
| Phospholipids are a type of polysaccharide. |
|
Definition
|
|
