Neisseria Bacteria Quiz

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Questions and Answers

What is the typical size range of Neisseria bacteria?

  • 1.0 - 1.5 um in diameter
  • 0.1 - 0.3 um in diameter
  • 0.6 - 1.0 um in diameter (correct)
  • 0.3 - 0.5 um in diameter

Which of the following is not a species of Neisseria mentioned in the text?

  • Neisseria gonorrhoeae
  • Neisseria pneumoniae (correct)
  • Neisseria meningitides
  • Neisseria lactamica

What is the common name for Neisseria gonorrhoeae?

  • Pneumococcus
  • Meningococcus
  • Gonococcus (correct)
  • Lactobacillus

Which of the following is not a common sign or symptom of gonorrhea in females?

<p>Fever (A)</p> Signup and view all the answers

What is the main way that gonorrhea can be transmitted from mother to infant?

<p>Through the infected birth canal (B)</p> Signup and view all the answers

What is the purpose of Crede's prophylaxis for infants?

<p>To prevent blindness (B)</p> Signup and view all the answers

What is the typical incubation period for gonorrhea?

<p>2-8 days (D)</p> Signup and view all the answers

What is the name of the condition where gonorrhea spreads to the epididymis in males?

<p>Epididymitis (B)</p> Signup and view all the answers

What is the most common symptom of gonorrhea in females?

<p>Asymptomatic (A)</p> Signup and view all the answers

What is the name of the condition where gonorrhea spreads to the joints in males?

<p>Reactive arthritis (B)</p> Signup and view all the answers

Flashcards

Neisseria Size

Neisseria bacteria typically range from 0.6 to 1.0 um in diameter.

Neisseria gonorrhoeae

Neisseria gonorrhoeae, a common cause of sexually transmitted infections.

Gonorrhea Asymptomatic

In females, gonorrhea often presents without noticeable symptoms.

Gonorrhea Transmission

Transmission occurs as the infant passes through an infected birth canal.

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Crede's Prophylaxis

To prevent blindness in newborns from potential gonorrheal infection.

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Gonorrhea Incubation

The typical incubation period for gonorrhea: 2-8 days

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Gonorrheal Epididymitis

Inflammation of the epididymis due to gonorrheal infection.

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Gonorrheal Reactive Arthritis

Joint inflammation or arthritis triggered by a gonorrheal infection in males.

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Study Notes

Neisseria Characteristics

  • Gram-negative, diplococcus bacteria
  • Kidney or bean-shaped, flattened or concave adjacent shape
  • Approximately 0.6 – 1.0 μm in diameter

Neisseria Species

  • Neisseria gonorrhoeae (also known as gonococcus)
  • Neisseria meningitidis

Neisseria Gonorrhoeae (Gonococcus)

  • Causes gonorrhoea, a sexually transmitted disease (STD)
  • Produces acids and ferments glucose
  • Affects infants, children, and adults
  • Attacks mucous membranes in the genitourinary tract, rectum, throat, and eyes
  • Transmitted through sexual interactions or from mother to infant during childbirth
  • Can cause blindness in infants if left untreated

Preventing Blindness in Infants

  • Crede's prophylaxis: 1-2 drops of 1% silver nitrate to prevent gonococcal ophthalmic neonaturum

Gonorrhoea

  • Incubation period: 2-8 days
  • Male gonorrhoea:
    • Spreads to prostate glands and epididymis
    • Signs and symptoms: difficulty urinating, yellow purulent discharge, epididymitis, urethritis, and reactive arthritis
  • Female gonorrhoea:
    • Spreads from paracervical glands to fallopian tubes and peritoneal cavity
    • Signs and symptoms: usually asymptomatic, painful urination, abnormal vaginal bleeding, and pain during sex

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