June 2007 PrepTest, Section 2, Question 15

By Brandon Beaver | Published October 29, 2024

Type: Necessary Assumption

Difficulty:

Explanations

The assumption occurs in the last sentence. It jumps from “they’re vaccinated only against the strain most likely to be prevalent” to “they will receive a different vaccine for a different strain every year.” So, you’re saying that the strain most likely to be prevalent is different every year?
A
No, this loses sight of the conclusion/argument.
B
Epidemics aren’t even mentioned.
C
This is already mostly covered by what the vaccination will do—it doesn’t matter what the vaccine theoretically could do.
D
Yup, just as predicted. This captures the huge jump in the last sentence.
E
Side effects aren’t mentioned.

Passage

A new government policy has been developed to avoid many ser

Question 15

Which one of the following is an assumption that would allow