Clara has found it extremely difficult to study for extended periods. She feels restless on many occasions and isconstantly stopping work to check for messages on her phone. When she described these and other symptoms to herdoctor, he prescribed a stimulant that eventually helped her to study. The most likely explanation for the doctor'sdecision is that the active ingredient in the stimulantA)blocks the movement of neurotransmitters inhibiting parts of the brain involved in problem solving. B)redirects the signals of neurons that excite brain regions associated with impulsive behavior. C)boosts activity in brain areas that coordinate higher mental functions. D)slows production of neurotransmitters that stimulate reward pathways in the brain.

Option C

Explanation:

Stimulant are drugs prescribed by doctor help increase brain activity positively. They are prescribed by doctors to treat Attention-deficit hyperactivity disorder . They help individual to be mentally sound or alert, good vibrant energy and focus.

The level of dopamine and norepinephrine in the brain is increased gradually through the use of stimulant. It mostly use by student so that they can be mentally strong, alert and focused in their studie and largely makes them to be sharper in their books and read for a long time.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.