"In the first digestive reaction of starch, a disaccharide called maltose is produced. Maltose consists of two glucose molecules joined together. In humans, the production of maltose from starch occurs within the mouth in a reaction catalyzed by amylase, an enzyme found in human saliva.". I looked it up
The photoreceptors would be your eyes, chemoreceptors skin, olfactory for nose and mechanoreceptors for obviously tongue hope this helps.
The correct answer is c.antipsychotic drugs.
<span>Drugs that block dopamine receptor sites are dopamine antagonist (antidopaminergic). Dopamine antagonists are a type of drugs which blocks dopamine receptors by receptor antagonism. Those antagonists are used as antipsychotics, so they have found use in treating schizophrenia, bipolar disorder, and stimulant psychosis. Also, they can be antiemetics used in the treatment of nausea and vomiting or used as <span>anti-depressants.</span></span>