EXAM I Review T/F Part2 Flashcards

1
Q

LPS is a pyrogen

A

True

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2
Q

LPS is a endotoxin

A

True

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3
Q

LPS is a exotoxin

A

False

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4
Q

LPS is a toll-like receptor ligand

A

True

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5
Q

LPS is a common molecule is a gram-positive bacteria

A

False

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6
Q

A toxoid is a particularly potent toxin

A

False

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7
Q

Diapedesis is the same as extravasion

A

True

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8
Q

“LAD” stands for “Lateral Asymmetric Disjunction”

A

False

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9
Q

“PAMP” stands for “Pathogen Associated Molecular Pattern”

A

True

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10
Q

“PRR” stands for “Pathogen Recognition Receptor”

A

True

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11
Q

“TLR” stand for “Toll-like receptor”

A

True

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12
Q

TLRs are important PRRS

A

True

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13
Q

TLR ligands include LPS, flagellin, and unmethylated CpG DNA

A

True

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14
Q

TLR ligands include methylated CpG DNA, ds RNA, and Hsp60

A

False

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15
Q

Some TLRs detect endosomal ligands

A

True

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16
Q

TLRs only detect extracellular ligands

A

False

17
Q

TLRs never hetrodimerize

A

False

18
Q

TLRs never homodimerize

A

False

19
Q

Adjuvant comes from the Latin word meaning “to share”

A

False

20
Q

Freund’s complete adjuvant contains oil

A

True

21
Q

Freund’s complete adjuvant contains killed Mycobacteria

A

True

22
Q

Freund’s complete adjuvant contains alum

A

False

23
Q

Freund’s complete adjuvant is used in many human vaccines

A

False

24
Q

Precipitated or aggregated antigen is not immunogenic

A

False

25
Q

Presence of TLR ligands makes immune responses weaker

A

False

26
Q

Intravenous administration of antigen is maximally immunogenic

A

False

27
Q

Oral administration of antigen can lead to tolerance

A

True

28
Q

DNA is a good immunogen

A

False

29
Q

Small Compounds such as caffeine are excellent immunogens

A

False

30
Q

Polylysine is an excellent immunogen

A

False