Explanation for Question 22 From the Reading Section on the Official Sat Practice Test 10
Question 22 says based on the passage textbook authors in the early 1990s, 2 would most likely have expected which condition to result from the blocking of fast 3 fibers. So since the question starts off with the phrase, 4 based on the passage, we can assume that the answer's answer to this question 5 is going to come directly from text evidence. So let's look back at the 6 passage, starting in line four, 7 it says sensations of pressure and vibration were believed to travel only along myelinated, 8 fast signaling nerve fibers. So if these nerve fibers are blocked, 9 then since pressure and vibration sensations travel only along fast 10 signaling nerve fibers, the person is going to have, 11 or 8% is going to have trouble feeling pressure and vibration. 12 So let's go look at the answer choices and see which one best matches 13 that. If we look at answer choice a, 14 it says the rate at which other nerve fibers fired would increase. 15 Like we said earlier, it's going to have to do with sensation and pressure. 16 And since this answer choice doesn't have anything to do with that answer choice 17 a is going to be incorrect. It's also going to be incorrect because you 18 can't assume anything about the speed of the nerve fibers changing or fluctuating 19 because although they talk about fast versus slow nerve fibers, 20 they're not talking about the fast and the slow elements of those changes. 21 So then if we look at answer choice B, it says the test subject 22 would perceive ...