20 week ultrasound what to expect to see

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

A35-year-old woman arrives on the floor after an uneventful hysteroscopy to evaluate her long history of uterine fibroids. about 30 minutes after her arrival, she begins to complain of nausea and has two episodes of vomiting. the physical administers 0.625 mg of droperidol and 400 mg of acetaminophen by mouth. on follow-up evaluation, the patient's neck is involuntarily flexed to one side. she is alert, oriented, and conversation and has an otherwise normal neurological examination. which of the following is the most likely diagnosis? - cerebral vascular accident- conversion disorder- dystonic reaction to droperidol- munchausen syndrome- seizure

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases