Answer:
Some longer-term changes begin as adjustments to compensate for drug-induced increases in neurotransmitter signaling intensity. For example, the brain responds to repeated drug-induced massive dopamine surges in part by reducing its complement of dopamine receptors.
C is not a response of stress.
Answer: Fordyce Granules
Explanation:
Based on the information given in the question, then we can infer that the area is most likely Fordyce Granules.
Fordyce Granules is also referred to as Fordyce spots, and they're little pimple-like structures which are formed on the human body. These pimple-like structures can be seen usually on the male genitalia, around the testicles. They can also be found in th female genitalia, around labia.
Protozoa-
Cholera
Malaria
Amebic Dysentery
Fungi-
Ringworm
Athlete's foot
Histoplasmosis
Rickettsiae-
Typhus Fever
Rocky Mountain Spotted Fever
African Tick Bite Fever