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You are looking at staphylococcal aureus under a microscope. Which of the following characteristics will not be present?
You have isolated a strain of Staphylococcus from the skin of a physician in a local hospital. Each of the following characteristics listed are present. Which of the following characteristics is a likely indicator of virulence?
Production of coagulase enzyme
Which of the following explains why Staphylococcus aureus is so durable?
It is able to withstand high osmotic pressure
It is able to survive in low moisture environments
It is able to develop resistance to antibiotics easily
It is a facultative anaerobe
A test tube filled with nutrient agar has been inoculated with Staphylococcus aureus. This was done by deeply stabbing the agar with a needle covered in bacteria. After incubation indoors you notice that bacterial growth has occurred both at the surface of the agar as well as deep within it, indicative of which metabolic process.
Fermentation and Aerobic repiration
Treatment of trichophyton ringworm is:
selective by targeting membrane components and metabolic process
Ascomycota, the phylum from which Trichophyton is derived, is classified as all of the following, except:
What is one factor that makes meningococcal meningitis difficult to fight off?
There are many different strains/serogroups
Which of the following causes meningitis to be such a severe disease?
Inflammation of the meninges causing pressure on the brain
A patient walks into a doctor's office and is suspected to have meningitis. Which of the following is NOT a symptom that would lead to this suspicion?
Which of the following describes the general influenza trend?
most cases between November and February
Why is hospitalization important for those diagnosed with botulism?
Botulism often causes paralysis which can be very dangerous and impair or stop breathing altogether. It is important to be under close medical supervision to reacto to serious complications associated with the toxin.
A patient has stiff joints, headaches, and a bulls-eye rash. What disease does he appear to have contracted?
Which of the following is most important in the prevention of getting strep throat?
Wash your hands often
Which of the following people would you assume would be more likely seen with strep throat?
10 year old Sarah, who enjoys reading and hanging out with her friends.
12 year old Bobby came home from school complaining of a sore throat. Later that night, he refused to eat dinner, stating he wasn't hungry and he had a headache. The next day, his mom took him to the doctor's, and the doctor diagnosed Bobby with strep throat. Which of the following is NOT a complication that could arise if his strep throat went untreated?
Streptococcus pyrogenes, which causes strept throat, is successful as a pathogen because it contains antigens similar to those of human cardio, skeletal, and smooth muscle which results in molecular mimicry and a tolerant or suppressed immune response by the host.
Which disease has no known cure, no known route of transmission, and no immunizations are available?
Helicobacter pylori breaks down which organic compound to ammonia and bicarbonate in order to create a more neutral pH environment to survive in.
Which list of characteristics most accurately describes H. Pylori?
Helix or spiral shaped, flagella, gram negative, peptic ulcers, microaerophilic
NSAIDs (Non-steroidal anti-inflammatory drugs) are an effective way to treat infections resulting from Heliobacter Pylori.
Which ratio best describes the world population that is infected with H. Pylori.
50% are infected but most are asymptomatic
Which of these is NOT a role that Streptococcus mutans has in dental caries?
S. mutans replicates at an extremely high rate in the presence of glucose alone, but less rapidly in the presence of sucrose alone
Jason took a trip to see some family in Arizona about a month ago. He has felt like he had the flu for about a week, but now he is developing some sensitive nodes on his legs. Jason most likely has developed which form of Coccidioidomycosis
A young, sexual active woman reports to her physician that she has noticed a few suspicious warts on her genital area within the past few weeks. She is concerned that it will cause damage elsewhere in her body, wonders how she contracted them, and what are some possible treatments. Which one of the following statement(s) by the doctor is FALSE?
A and D
Women are often advised to drink cranberry juice to prevent UTIs from occurring. What do cranberries contain that act as a barrier to infection?
B and D
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