The diagnosis of schizophrenia in the DSM-5 requires that at least two features of the disorder be present and that at least one of these features should include the cardinal symptoms of delusions, hallucinations, or disorganized speech

What advice can you offer parents who want to reduce their newborn son's discomfort during circumcision?

A) Stimulate the Babinski reflex. B) Play loud music to distract the baby. C) Offer a nipple that delivers a sweet liquid while gently holding the baby. D) Newborns have a low sensitivity to pain, so interventions are unnecessary.

Which of the following is an explanation for the higher acuity of the visual system at the fovea, relative to the periphery of the retina?

A) A foveal ganglion cell may receive information from a single photoreceptor, whereas a peripheral ganglion cell may receive information from multiple photoreceptors. B) The fovea contains only rods which are directly connected to the ganglion cells. C) The foveal photoreceptor cells contain more photopigment per cell. D) Peripheral photoreceptors are more likely to be damaged by prolonged light exposure. E) Peripheral photoreceptors require greater activation in order to provoke a visual response.