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Questions and Answers
What is the significance of Tuberculin in medicine?
What is the significance of Tuberculin in medicine?
- It is an antibiotic used to kill M.tuberculosis.
- It is used to treat tuberculosis.
- It is a protein derivative used in a skin test for diagnosing tuberculosis. (correct)
- It is a vaccine for tuberculosis.
Which organism is associated with the production of resistant spores?
Which organism is associated with the production of resistant spores?
- Staphylococcus aureus
- Escherichia coli
- M.tuberculosis
- B.anthracis (correct)
Koch’s Postulates are primarily used to establish what?
Koch’s Postulates are primarily used to establish what?
- The treatment options for bacterial infections.
- The genetic makeup of bacteria.
- The cause-and-effect relationship between a microorganism and a disease. (correct)
- The antibiotic resistance patterns of pathogens.
What role does B.anthracis play in the context of Koch's research?
What role does B.anthracis play in the context of Koch's research?
What is the primary application of the skin test developed from Tuberculin?
What is the primary application of the skin test developed from Tuberculin?
Which pathogen is responsible for Endemic Typhus Fever?
Which pathogen is responsible for Endemic Typhus Fever?
What is the primary reservoir for Lyme Disease?
What is the primary reservoir for Lyme Disease?
How is Epidemic Typhus Fever transmitted?
How is Epidemic Typhus Fever transmitted?
Which of the following statements about Person-to-Person transmission is correct?
Which of the following statements about Person-to-Person transmission is correct?
Which organisms serve as reservoirs for Epidemic Typhus Fever?
Which organisms serve as reservoirs for Epidemic Typhus Fever?
Which of the following characteristics is NOT used to classify viruses?
Which of the following characteristics is NOT used to classify viruses?
What is one property that distinguishes RNA viruses from DNA viruses?
What is one property that distinguishes RNA viruses from DNA viruses?
Which of the following is a common misconception about viruses?
Which of the following is a common misconception about viruses?
Which specific feature differentiates enveloped viruses from non-enveloped viruses?
Which specific feature differentiates enveloped viruses from non-enveloped viruses?
What outcome is expected of a nursing student after learning about microbial diversity?
What outcome is expected of a nursing student after learning about microbial diversity?
Which of the following methods do viruses NOT use for replication?
Which of the following methods do viruses NOT use for replication?
What should a student do after completing the lesson on microbial diversity?
What should a student do after completing the lesson on microbial diversity?
Which of the following statements is true regarding the upcoming reading assignment?
Which of the following statements is true regarding the upcoming reading assignment?
Which of the following correctly describes a eukaryotic cell?
Which of the following correctly describes a eukaryotic cell?
What is a characteristic of prokaryotic cells?
What is a characteristic of prokaryotic cells?
Which of the following organelles would NOT be found in a prokaryotic cell?
Which of the following organelles would NOT be found in a prokaryotic cell?
Which type of cell contains a glycoprotein coat, such as glycocalyx or slime layers?
Which type of cell contains a glycoprotein coat, such as glycocalyx or slime layers?
Which cellular structure is found in both eukaryotic and prokaryotic cells?
Which cellular structure is found in both eukaryotic and prokaryotic cells?
What distinguishes eukaryotic cells from prokaryotic cells?
What distinguishes eukaryotic cells from prokaryotic cells?
In terms of cellular size, how do prokaryotic cells generally compare to eukaryotic cells?
In terms of cellular size, how do prokaryotic cells generally compare to eukaryotic cells?
Which of the following organisms is classified as a prokaryote?
Which of the following organisms is classified as a prokaryote?
What are the potential effects of tertiary syphilis on the body?
What are the potential effects of tertiary syphilis on the body?
Which bacterium is the most common cause of urinary tract infections (UTIs)?
Which bacterium is the most common cause of urinary tract infections (UTIs)?
Which organism is NOT known to ferment any carbohydrates?
Which organism is NOT known to ferment any carbohydrates?
Which type of meningitis is usually associated with bacterial infection?
Which type of meningitis is usually associated with bacterial infection?
Which of the following pathways is primarily responsible for the transmission of meningitis organisms to the CNS?
Which of the following pathways is primarily responsible for the transmission of meningitis organisms to the CNS?
What is a common symptom of a urinary tract infection (UTI)?
What is a common symptom of a urinary tract infection (UTI)?
In which age demographic is Streptococcus agalactiae primarily a concern for bacterial meningitis?
In which age demographic is Streptococcus agalactiae primarily a concern for bacterial meningitis?
Which of the following pathogens is associated with purulent meningitis in adults?
Which of the following pathogens is associated with purulent meningitis in adults?
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Study Notes
Eukaryotic Cells vs. Prokaryotic Cells
- Eukaryotic cells have a true nucleus, while prokaryotic cells do not.
- Eukaryotic cells are larger than prokaryotic cells and have membrane-bound organelles.
- Prokaryotic cells have a single chromosome, while eukaryotic cells have multiple chromosomes.
- Eukaryotic cells have a complex internal structure, while prokaryotic cells have a simpler structure.
Bacterial Infections
- UTI is a common bacterial infection, with Escherichia coli being the most common cause.
- Bacterial meningitis can be purulent (usually bacterial) or aseptic (usually viral).
- Streptococcus agalactiae causes meningitis in neonates.
- Streptococcus pneumoniae causes meningitis in adults.
- Haemophilus influenzae type B causes meningitis in infants less than 2 years old.
- Nesseria meningitidis causes meningitis in adolescents.
- Meningitis can be acute or chronic.
- Neisseria gonorrhoeae ferments only glucose.
- Neisseria meningitidis ferments both glucose and maltose.
- Neisseria lactamica ferments glucose, maltose, and lactose.
- Neisseria sicca ferments glucose, maltose, sucrose/fructose.
- Moraxella catarrhalis does not ferment any of the carbohydrates listed above.
- Lyme disease (Lyme borreliosis) is the most common arthropod-borne disease in the United States
- Borrelia burgdorferi is the causative agent of Lyme disease
Endemic vs. Epidemic Typhus Fever
- Endemic typhus fever (murine typhus fever and fleaborne typhus) is caused by Rickettsia typhi.
- Reservoirs for endemic typhus include rodents, such as rats and mice.
- Transmission of endemic typhus occurs through infected rat fleas.
- Epidemic typhus fever is caused by Rickettsia prowazeki.
- Reservoirs for epidemic typhus include infected humans and body lice.
- Transmission of epidemic typhus occurs from human to louse to human.
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