Gram Negative Cocci

Question 1

Which species of Neisseria are bacilli?

Answer 1

• N. elongata
• N. weaveri
• N. bacilliformis
• N. shyeganii sp. nov.

Question 2

Which Neisseria species may have a capsule?

Answer 2

Neisseria meningitidis

Question 3

Which Neisseria species may have pili

Flagella are NOT formed

Answer 3

• N. meningitidis
• N. gonorrhoeae

Question 4

How many different capsule serogroups are distinguishable for N. meningitidis?

Answer 4

12

Question 5

Which Neisseria species may produce a yellow pigmented colony?

Answer 5

• N. flavescens
• N. sicca
• N. subflava

Question 6

What are the catalase and oxidase results for mostNeisseria spp.

Answer 6

• Catalase positive
• Oxidase positive

Question 7

Which Neisseria spp. are catalase negative?

Answer 7

• N. elongata subsp. nitroreducens
• N. bacilliformis

Question 8

What is the reservoir of Neisseria spp.?

Answer 8

Mucous membranes

Question 9

What is Moraxella catarrhalis reliably susceptible to?

Answer 9

• Augmentin
• Azithromycin
• Cotrimoxazole
• Doxycycline (not for children < 8 yo).

Question 10

What is the reservoir for Moraxella catarrhalis

Answer 10

*