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Teams
Name
Score
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10
×
The most common allergen causing allergic contact dermatitis worldwide is nickel.
True
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15
×
Natural immunity provides immediate and specific defense.
False, Natural (innate) immunity is fast but not antigen-specific.
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15
×
Breast milk provides natural active immunity to infants.
False, Breast milk provides **natural passive immunity** through IgA antibodies.
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10
×
Epinephrine reverses anaphylaxis by bronchodilation, vasoconstriction, and improved cardiac output.
True, epinephrine acts on Îą- and Îē-adrenergic receptors to counteract anaphylaxis.
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10
×
Inhaled corticosteroids are used cautiously in TB because they suppress local lung immunity.
True, they may allow latent TB to reactivate and worsen infections.
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10
×
Autoimmunity occurs when the immune system succeeds to distinguish between self and non-self.
False, Autoimmunity arises from the immune system mistakenly attacking its own tissues.
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15
×
Delayed-type hypersensitivity is mediated by T-lymphocytes.
True
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×
banana
Go to last place!
Oops!
×
seesaw
Swap points!
Okay!
×
rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
15
×
Immune complex hypersensitivity is classified as Type III.
True
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10
×
Antihistamines are absolutely safe for use in all stages of pregnancy.
False, many antihistamines cross the placenta; some are contraindicated, especially in the first trimester.
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10
×
Serum sickness typically develops 1-2 weeks after exposure to a drug or antiserum.
True
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×
lifesaver
Give 20 points!
Oops!
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fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Oops!
×
rocket
Go to first place!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
Cytotoxic hypersensitivity (Type II) is mediated by immune complexes deposited in tissues.
False : Type II is due to IgG/IgM binding directly to cells; Type III involves immune complex deposition.
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Check
10
×
Plasma cells are derived from activated B lymphocytes.
True, Once activated, B cells differentiate into plasma cells that secrete antibodies.
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Check
×
baam
Lose 15 points!
Oops!
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gift
Win 20 points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
Oops!
×
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