A group of students are studying for an examination on the gastrointestinal (GI) system and are reviewing the structures of the esophagus and stomach. The students demonstrate understanding of the material when they identify which of the following as the opening between the stomach and duodenum?Pyloric sphincterSigns and symptoms of bleedingSupine with knees flexed slightly Intrinsic factor

Lyme disease is caused by a bacterium transmitted to people by deer ticks. deer ticks are almost never born infected with the bacterium, but they can pick it up from feeding on an infected host in any of the tick's three successive stage of development: larva, nymph, adult. once infected, a tick remains infected through any subsequent developmental stages, but since a tick feeds on only one host in each stage, it follows that . people can be infected only by being bitten by a tick that is either in larval stage or in the nymph stage b. people cannot be infected by a tick that picked up the lyme disease bacterium in the adult stage c. it is not possible for a person to be infected by a tick that is in the nymph stage or by a tick that was infected with the bacterium while in the nymph stage d. people infected with the lyme disease bacterium cannot transmit bacterium to adult deer ticks e. only deer ticks that are adults can transmit the lyme disease bacterium to people

Which person should increase calorie intake due to a lifestyle choice? a. an adult who is often sedentary b. an athlete c. a student getting ready for school exams d. an older woman

Time rema49: 3which plot detail adds to the mood of anticipation? o romeo offers money to nurse for her o romeo reviews a meeting time and place. nurse agrees to romeo and juliet marry. o nurse refuses to take money from romeo.