1. Who does the narrator indicate will be the only other member of the expedition to last more than a day or two?
(a) The anthropologist.
(b) The surveyor.
(c) The psychologist.
(d) Nobody will last more than a day or two.

2. How does the room at the top of the lighthouse differ from the areas preceding it?
(a) It seems to have been cleaned and recently inhabited.
(b) The walls and floor are made of flesh, like in the Tower.
(c) It is so soaked with blood and carnage that the biologist can't stand to enter.
(d) It seems to have never been entered before.

3. How does the biologist characterize her relationship with her husband in the days immediate prior to his expedition to Area X?
(a) Their marriage is strained.
(b) Their marriage was one of convenience.
(c) They cut their engagement short so they could marry before he left.
(d) Their marriage is happier than it's ever been.

4. What does the biologist see when she looks down from the top of the lighthouse balcony?
(a) The psychologist's body.
(b) The boar.
(c) A doppelganger of herself standing on a doppelganger of the lighthouse.
(d) A far-away beam of light.

5. How does the biologist rationalize her attempt to manipulate the surveyor into going to the lighthouse?
(a) She does not want the anthropologist's death to be meaningless.
(b) She thinks her personal safety is more important than what the surveyor wants.
(c) She thinks the surveyor would have a good time at the lighthouse.
(d) She thinks they should both be completely dedicated to their mission.