Sam has been smoking for years and finally wants to quit. his provider prescribes wellbutrin, a medication that binds nicotine receptors. how might this be effective? a 16 year old is scheduled to give a speech in high school. she gets very nervous and almost passes out. the school nurse gives her a paper bag to breathe into for a few minutes. why would this be ?

How does modernization affect ecosystem

A32-year-old woman presents for a routine gynecological exam. she has been married for 5 years and plans to start a family with her husband in the near future. her first menstrual period was at the age of 11. she is in a 28/4 cycle with no irregularities or discomfort. at age 18, she had an induced abortion and has used oral contraceptives since then. in the recto-vaginal exam, you palpate a mass on the left side. an ultrasound confirms a complex cystic tumor 6cm in diameter on the left ovary. there is no free fluid in the pelvis. there is no family history of any malignant tumors. what is your therapeutic approach?

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer