bluestar
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A young military recruit scheduled for overseas assignment begins a course of immunization. The corpsman administering the inoculations warns the private that one of these immunizations is likely to cause swelling and inflammation 24-48 hours after injection and therefore should be administered in his nodominant arm. To which vaccine is the corpsman referring?
a) Adenovirus
b) Hepatitis A
c) Hepatitis B
d) Tetanus
e) Typhoid
f) Yellow fever
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| mash
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tetanus
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| bluestar
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I can understand it's tetanus. But why not HBV? HBV is given to all neonatals shortly after birth and then followed by 2 boosters so recruit have high chance of seeing this immunogen before as well.
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| PsychDr2B
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Although Hepatits B vaccine could have local inflammation, I would go with choice D: Tetanus. US authorities recommend giving combined tetanus-diphtheria booster (Td) immunizations to adults because of the prevalence of low levels of diphtheria antitoxin antibodies in adults. Local reactions (usually erythema and induration, with or without tenderness) can occur after vaccination with Td or other preparations. Fever and other systemic reactions can occur but are less common. Arthus reactions can occur, particularly among patients who have received multiple tetanus boosters using the adsorbed preparations. Severe reactions (eg, anaphylaxis and neurologic complications) have been reported rarely.
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| Renegade
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I had yellow fever vaccine before I went to Angola this year, and it sure left my arm sore for a couple of days... <red_eye>
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| Idiopathic
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Yellow fever is the only live one on this list. I go with it.
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| bluestar
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the answer is tetanus and the explanatin given is only tetanus could have been seen by the immune system of the recruit before since it's boostered every 10 years. My question is, isn't HBV a routine vaccine as well? By this logic, the immune system should recognize HBV Ag as well.
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| mash
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HBV vaccine is given to recruits if HBs Ab titer is negative ...
if they present with the record of having taken all 3 shots with booster or if HBsAb titer is positive , they r not given HBV.....so, chances of hving rxn to dat r much less than with tetanus....
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| bluestar
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sorry mash, I didn't get your point, especially the last line. what's rxn?
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| bluestar
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I think the knot of this question is, why is some immunization will cause swelling and inflammation 24-48 hours after injection? IV hypersensitivity. And second point is, which immunization is likely to cause such reactions? those that most likely to have injected before. and in the list given, only HBV and tetanus are possible. The 1st dose of HBV is given to all newborns right after birth and there are 2 boosters as well.
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