What is Mycobacterium tuberculosis?
Mycobacterium Tuberculosis STUDY Flashcards Learn Write Spell Test PLAY Match Gravity Created by mashal165 Case Study 2 Terms in this set (69) What type of bacterium is mycobacterium tuberculosis? It is weakly gram-positive, more commonly classified as 'acid fast'.
How many Quizlet terms are there in microbiology?
Micro. Final Quizlets 229 terms kvic98 chp 24 test 24 terms gabriela_hoy Chapter 24-26 microbiology 112 terms superAshleigh_Crooks Micro Chapter 24 Flashcards new 24 terms gabriela_hoy YOU MIGHT ALSO LIKE... Microbiology Chapter 24 59 terms Vision_Is_Key ***Microbiology Chapter 24*** 56 terms jkins1389
When May tuberculosis be reactivated after the primary infection?
When may M.tuberculosis be reactivated after the primary infection? When the person becomes immunosuppressed. How is M.tuberculosis spread from person to person? Through coughing - aerosols contain droplet nuclei that can survive for quite long periods of time. Roughly how many people does each infected person with M.tuberculosis infect? 20.
How are patients infected with M tuberculosis managed in hospital?
How are patients infected with M.tuberculosis managed in hospital? They are isolated in negative pressure room (air flow is only into room not out of it) until they have been on adequate treatment for 2 weeks. Health-workers should wear close-fitting masks when with the patient.
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Which of the following is correct for Mycobacterium tuberculosis?
Tuberculosis, or TB, is an infectious bacterial disease caused by Mycobacterium tuberculosis, which most commonly affects the lungs. It is transmitted from person to person via droplets from the throat and lungs of people with the active respiratory disease.
How is Mycobacterium tuberculosis treated?
The usual treatment is:2 antibiotics (isoniazid and rifampicin) for 6 months.2 additional antibiotics (pyrazinamide and ethambutol) for the first 2 months of the 6-month treatment period.
Which of the following method is used for the detection of Mycobacterium tuberculosis?
Polymerase chain reaction (PCR) techniques are now widely used for early detection and species differentiation of mycobacteria, but mostly with their own limitations.
Which of the following is an incorrect statement about tuberculosis?
Answer. Explanation: It is not caused by salmonella.
How can you prevent Mycobacterium tuberculosis?
The BCG vaccination It is one of the most widely used vaccines worldwide, yet we still see around 9 million new cases of TB annually – a testament to the BCG's limited effectiveness. The BCG is: 80% effective in preventing TB for 15 years. more effective against complex forms of TB in children.
What is first line treatment for TB?
Of the approved drugs, isoniazid (INH), rifampin (RIF), ethambutol (EMB), and pyrazinamide (PZA) are considered first-line anti-TB drugs and form the core of standard treatment regimens (Figure 6.4) (Table 6.2).
Which media is used for the cultivation of Mycobacterium tuberculosis?
The only media that allow abundant growth of M. tuberculosis are egg-enriched media with glycerol and asparagine (viz., Lowenstein- Jensen) or agar based media supplemented with bovine albumin (viz., Middlebrook, 7H10 or 7H11).
Can Mycobacterium tuberculosis be cultured?
Culturing Mycobacterium tuberculosis remains the gold standard for the laboratory diagnosis of pulmonary tuberculosis, with 9 million new cases and 1.5 million deaths mainly in developing countries. Reviewing data reported over 20 years yields a state-of-the-art procedure for the routine culture of M.
What is PCR for Mycobacterium tuberculosis?
A PCR test based on insertion sequence IS1081 was developed to detect Mycobacterium tuberculosis complex organisms in the peripheral blood. The method was applied to blood samples from immunocompetent individuals with localized pulmonary tuberculosis.
What causes tuberculosis?
Tuberculosis (TB) is caused by a type of bacterium called Mycobacterium tuberculosis. It's spread when a person with active TB disease in their lungs coughs or sneezes and someone else inhales the expelled droplets, which contain TB bacteria.
What bacteria causes tuberculosis?
Tuberculosis (TB) is a contagious disease caused by infection with Mycobacterium tuberculosis (Mtb) bacteria. It is spread through the air when a person with TB disease of the lungs or throat coughs, speaks or sings, and people nearby breathe in these bacteria and become infected.
Which part of the body does tuberculosis affect?
Tuberculosis (TB) is a disease caused by germs that are spread from person to person through the air. TB usually affects the lungs, but it can also affect other parts of the body, such as the brain, the kidneys, or the spine. A person with TB can die if they do not get treatment.
Which antimicrobial drug acts by inhibiting peptidoglycan synthesis?
Each of the following statements concerning the mechanism of action of antimicrobial drugs is correct EXCEPT: (A) Vancomycin acts by inhibiting peptidoglycan synthesis. (B) Quinolones, such as ciprofloxacin, act by inhibiting the DNA gyrase of bacteria.
Is Actinomyces israelii an anaerobic rod?
Each of the following statements concerning Actinomyces and Nocardia is correct EXCEPT: (A) A. israelii is an anaerobic rod found as part of the normal flora in the mouth. (B) Both Actinomyces and Nocardia are branching, filamentous rods. (C) N. asteroides causes infections primarily in immunocompromised patients.
Is HSV-2 a primary infection?
Each of the following statements concerning herpes simplex virus type 2 (HSV-2) is correct EXCEPT: (A) Primary infection with HSV-2 does not confer immunity to primary infection with HSV-1. (B) HSV-2 causes vesicular lesions, typically in the genital area.
Is Histoplasma capsulatum a mold?
Each of the following statements concerning Histoplasma capsulatum is correct EXCEPT: (A) The natural habitat of H. capsulatum is the soil, where it grows as a mold. (B) H. capsulatum is transmitted by airborne conidia, and its initial site of infection is the lung.
How many people in the world have TB?
Nearly 1/3 of the world's population shows symptoms of tuberculosis. Nearly 1/3 of the world's population is infected with tuberculosis. At least 1/3 of those who are TB-positive are also HIV-positive. Nearly 1/3 of the world's population shows symptoms of tuberculosis.
What are the outcomes of Tamiflu?
Predict which of the following would be outcomes of treatment with Tamiflu. an increase in the ability of the immune system to combat the infection. overall decrease in the replication rate of influenza. a decrease in the release of viral particles from the cell.
What happens to the virus resulting from antigenic shift?
Antigenic shift results in a major change in the genetic composition of the virus. Little immunity to virus strains resulting from antigenic shift exists in the population.
Can microbes be treated with antimicrobials?
The infection caused by the microbes cannot be easily be treated with available antimicrobials. The microbe can easily infect a human. It is disseminated by aerosol. Correctly identify the mode of transmission with each of the listed microbes that have been used as biological weapons.
Is the bronchial tube sterile?
The ciliary escalator in the bronchial tubes keeps the lower respiratory tract nearly sterile. The trachea normally may contain a few bacteria. Potentially pathogenic microorganisms are present in nonsterile portions of the respiratory tract but usually do not cause disease. The upper respiratory tract is mostly sterile.
What triggers the body's immune response against infections?
vaccinate. trigger the body's immune response against infections. variolation. In variolation, the practitioner blew a powder made from the dried scabs of smallpox lesions into a healthy individual's nose. The resulting smallpox infections tended to be milder.
What does the presence of antibodies in a patient's serum do?
the presence of antibodies in a patient's serum will prevent viral infection of cells in culture . Plaque reduction neutralization tests are based on the fact that. the presence of antibodies in a patient's serum will prevent viral infection of cells in culture .
What antibody should be used for enzyle linked immunosorbent test?
For best results in an enzyle linked immunosorbent test the detection antibody should be ... Monoclonal antibody. monoclonal antibody.