Imagine that a mammal was discovered that had no pons in the hindbrain. You should predict that this mammal would
A) never experience NREM sleep.
B) sleep for most of the day.
C) never experience REM sleep.
D) seldom sleep.

Question

Quizplus · Accepted Answer

The pons is involved in regulating REM sleep, so a mammal without a pons would likely never experience REM sleep. The other options are less likely because sleep is regulated by multiple brain regions, not just the pons, so the absence of the pons would not necessarily cause the mammal to never experience NREM sleep or to sleep excessively.

Imagine That a Mammal Was Discovered That Had No Pons