PSAT Reading Question 142: Answer and Explanation

Question: 142

The procedure described in which cells from olfactory bulbs are injected into a damaged area of the spinal cord is most analogous to which of the following?

• A. Replacing a diseased organ in a patient with an organ from a donor who has the same tissue type
• B. Giving a patient with a high fever an injection of medication to bring the core body temperature down
• C. Placing a cast on a limb to hold the bone in place to encourage healing after suffering a break
• D. Grafting skin from a healthy area of the body and transplanting it to an area that has suffered severe burns

Correct Answer: D

Explanation:

D

Difficulty: Medium

Category: Inference

Getting to the Answer: Compare and contrast each answer choice with the procedure described in the passage. As in the procedure described in the passage, skin transplants for burn victims involve taking tissue containing healthy cells from one area of the body and using it to repair damage done to another area. Choice (D) is the correct answer.