Often asked: What Is The Pathogenic Process Underlying Rocky Mountain Spotted Fever?

Which of the following is a complication that may result from a Streptococcus pyogenes infection?

Suppurative complications include peritonsillar abscess, peritonsillar cellulitis, retropharyngeal abscess, otitis media and sinusitis, uvulitis, cervical lymphadenitis, meningitis, and brain abscess, arthritis, endocarditis, osteomyelitis, and liver abscess.

Which of the following is the most common cause of necrotizing fasciitis quizlet?

most common cause is Streptococcus pyogenes, also known as group A Streptococcus. strains of S. pyogenes that cause necrotizing fasciitis have factors that allow the bacterium to invade body tissues, resist phagocytosis, and damage cells and tissues.

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How is the dormant form of Rickettsia Rickettsii activated quizlet?

How is the dormant form of Rickettsia rickettsii activated? The warmer temperatures of Spring and Summer activate the bacterium. The bacteria are activated through exposure to acids in the gut of the Dermacentor tick. The bacteria are activated when the tick reaches its adult stage.

Which of the following does not directly help Staphylococcus aureus penetrate and spread to new locations within the host?

Which of the following does NOT directly help Staphylococcus aureus penetrate and spread to new locations within the host? Coagulase causes blood clots to form, allowing the bacterium to hide, but it does not help with penetration of tissues.

What diseases are associated with streptococci?

  • Strep Throat.
  • Scarlet Fever.
  • Impetigo.
  • Necrotizing Fasciitis.
  • Cellulitis.
  • Streptococcal Toxic Shock Syndrome.
  • Rheumatic Fever.
  • Post-Streptococcal Glomerulonephritis.

What is the difference between group A and B strep?

Group A strep may also cause severe skin and wound infections. Group B strep can be part of the normal bacteria found in the throat, vaginal tract, and digestive tract. GBS causes infections in newborns and in adults with weakened immune systems. Does GBS cause serious infections in adults?

Which of the following is the most common cause of necrotizing fasciitis?

Group A Strep Thought to Be Most Common Cause There are many types of bacteria that can cause the “flesh-eating disease ” called necrotizing fasciitis. Public health experts believe group A Streptococcus (group A strep) are the most common cause of necrotizing fasciitis.

Is the most common sexually transmitted disease in the United States quizlet?

What is Human Papilloma Virus ( HPV )? This is the most common sexually transmitted infection in the US. Nearly all sexually active men and women get it at some point in their lives.

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Which of the following organisms is the most common cause of urethritis Nongonococcal )?

Chlamydia trachomatis is the most common nongonococcal cause of urethritis and is also transmittable through sexual intercourse. Chlamydia trachomatis is a small gram-negative obligate intracellular parasitic bacteria.

What area of the country has the highest incidence of Rocky Mountain spotted fever?

Where Found. Although RMSF cases have been reported throughout most of the contiguous United States, five states (North Carolina, Oklahoma, Arkansas, Tennessee, and Missouri) account for over 60% of RMSF cases.

How is Rickettsia Rickettsii transmitted?

Most rickettsial organisms are transmitted by the bites or infectious fluids (such as feces) inoculated into the skins from ectoparasites such as fleas, lice, mites, and ticks. Inhaling bacteria or inoculating conjunctiva with infectious material may also result in infection.

What type of cancer is more likely to develop in people who have had papillomavirus infections quizlet?

– HPV infection is thought to be the primary risk factor for development of cervical cancer.

How does Staphylococcus aureus avoid the immune system?

aureus secretes proteins that can activate host zymogens which, in turn, target specific defense components. Secreted proteins can also inhibit the anti-bacterial function of neutrophils or complement system proteases, potentiating S. aureus chances of survival.

How does the immune system response to staphylococcus aureus?

The immune response against S. aureus involves activation of both the innate and adaptive immune systems. As the first line of defense against infections, the innate immune response is rapidly activated by pattern recognition pathways that detect non-specific markers of microbial infection.

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Why can’t you distinguish the three species of Staphylococcus just by doing a gram stain?

It’s gram positive and consist of three species: staphylococcus aureus, staphylococcus epidermis and staphylococcs saprophyticus. It is coccus and cluster like. You cannot distinguish the the three by gram stain due to them all being gram positive and all having the same shape and morphology.

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