After several weeks of feeling gloomy and being socially withdrawn, marco has suddenly become extremely sociable and talkative. he doesn't seem to need any sleep, and he becomes irritated when his friends tell him to slow down. marco's behavior is consistent with:

a) histrionic personality disorder.
b) bipolar disorder.
c) obsessive-compulsive disorder.
d) schizophrenia.

Which of the following is an argument against buying local fruits and vegetables?

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Anurse is assessing clients on medical surgical unit which adult client should the nurse identify as being at greater risk for insensible water loss?