What interesting discovery about the nervous system was made in the last 15 years or so?
A) Humans only use 10% of their neurons.
B) We are born with all of the neurons we will ever have.
C) New neurons are formed in some brain regions.
D) We are born with all of the glial cells we will ever have.
Answer: C
Rationale: The creation of new neurons is called neurogenesis. Fairly recently, researchers have found that neurogenesis occurs in a limited number of regions in adult brains. It is a myth that humans only use 10% of their brains.
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In which of the following situations is frustration least likely to result in aggression?
A) A woman grabs you and says "Hey, slow down," as you rush to catch your train. B) The parking lot is full, and a driver pulls around you to take the parking place for which you've been waiting. C) Your friend sprained her ankle, and cannot help you move, as promised. D) A telemarketer interrupts your dinner to sell you a magazine subscription. E) You realize you are being lowballed by a salesperson.
The majority of infants of HIV-positive women contract the virus as well
Indicate whether this statement is true or false.