Question 21 (1 point) Regarding olfaction, which of the following statements is FALSE?
Blows to the head can tear the olfactory nerve and cause anosmia.
There are roughly five million nerve fibers embedded in the lining of the upper
nasal passages.
Five people out of 100 experience some degree of anosmia.
The theory of smell that holds that odors are related to the shapes of chemical
molecules is known as the opponent-process odor theory.