Gram Negative Cocci Flashcards

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0
Q

Habitat of Neisseria meningitidis?

A

Upper respiratory tract

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1
Q

Gram negative diplococci that ferments maltose and glucose?

Glucose only?

A

M and G - N. meningitidis

G - N. gonorrhoeae

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2
Q

What is Neisseria meningitidis’ antiphagocytic factor?

A

Large polysaccharide capsule

Insignificant capsule in gonorrheae

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3
Q

What medium used to culture Neisseria meningitidis?

A

Chocolate agar

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4
Q

Neisseria meningitidis has a high carriage rate in what group of people?

A

Living in close quarters

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5
Q

Neisseria meningitidis infection is an effect of what complement deficiency?

A

C5 to C9

Unable to form MAC

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6
Q

Most common cause of meningitis from 2-18 years old?

Fever, HA, stiff neck

A

Neisseria meningitidis

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7
Q

Dissemination of meningococci into bloodstream leads to?

A

Meningococcemia

With characteristic purpura fulminans

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8
Q

Most severe form of meningococcemia?

A

Waterhouse Friederichsen Syndrome

Bilateral adrenal hemorrhagic destruction

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9
Q

DOC for Neisseria meningitidis infection?

A

Ceftriaxone

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10
Q

Primary prevention for Neisseria meningitidis?

A

Meninogococcal vaccine

A C Y W-135

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11
Q

Chemoprophylaxis for close contacts of people with Neisseria meningitidis?

A

Rifampin

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12
Q

What medium is used to culture Neisseria gonorrheae?

A

Thayer Martin Agar
With VCN
Vancomycin, Calistin, Nystatin

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13
Q

Habitat of Neisseria gonorrheae? Transmitted via?

A

Genital tract

Only by sexual contact and passage thru birth canal

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14
Q

Neisseria gonorrheae is usually co-infected with?

A

Chlamydia trachomatis
Give doxy if nonpregnant (discoloration of teeth and chelates calcium)
Give azith if pregnant

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15
Q

What prophylaxis to avoid ophthalmia neonatorum?

A

Crede’s prophylaxis
Erythromycin ointment on both eyes
Not silver nitrate!

16
Q

Neisseria gonorrheae is the most common cause of what genital tract infection in men?

A

Urethritis
Very painful purulent urethral discharge
(Endocervicitis in females, asymptomatic)
vs. Trichomonas - asympt males

17
Q

Neisseria gonorrheae infection in women that presents with fever, abnormal bleeding, cervical motion tenderness?

A

PID

18
Q

A complication of Neisseria gonorrheae PID that scars the fallopian tube?

A

Sterility

19
Q

A complication of Neisseria gonorrheae PID after salpingitis?

A

Ectopic pregnancy

20
Q

A complication of Neisseria gonorrheae PID described as violin string adhesions surrounding the liver that cause RUQ pain?

A

Fitz Hugh Curtis Syndrome

Perihepatitis

21
Q

Acute joint pain and swelling in sexually active adults?

A

Septic arthritis by Neisseria gonorrheae

Staph in nonsexually active

22
Q

Important consideration in treating Neisseria gonorrheae infections?

A

Always treat the partner!