Block Introduction Flashcards Preview

Infectious Disease Exam 1 > Block Introduction > Flashcards

Flashcards in Block Introduction Deck (8)
Loading flashcards...
1
Q

What are the two main virulence factors of Streptococcus pneumoniae?

A

IgA protease (the double-pronged emblem on the knight’s shield) and polysaccharide capsule (knight’s armor)

2
Q

Streptococcus pneumoniae is _________ hemolytic.

A

alpha (the jousting knights are Alpha males)

3
Q

How can children younger than two months –who can’t receive the TDaP vaccine –be protected from Bordetella pertussis?

A

Maternal antibodies and herd immunity

4
Q

What protein converts RNA to DNA?

A

Reverse transcriptase

5
Q

List three Gram-negative, lactose non-fermenting, oxidase-negative rods.

A

Salmonella, Shigella, and Proteus

6
Q

Antibodies to ______________ prevent infection with a virus.

A

envelope glycoproteins

7
Q

What are capsids?

A

Envelopes that surround the “nucleus” of the virus

8
Q

The most common bacterium that causes pneumonia in the elderly is _________-sensitive.

A

optochin