Adrug company is testing the effectiveness of a new blood pressure medicine using rats as test subjects.
a. describe the experimental group:
b. describe the control group:
c. describe the independent variable:
d. describe the dependent variable:
e. what are some possible factors that must remain constant during the testing?
f. what is one factor that will be different between the experimental group and the control group?

Harold, a fifty-eight year old grocery store manager, had recently been waking up in the middle of the night with abdominal pain. this was happening several nights a week. he was also experiencing occasional discomfort in the middle of the afternoon. harold decided to schedule an appointment with his physician. the doctor listened as harold described his symptoms and then asked harold some questions. he noted that harold's appetite had suffered as a result of the pain he was experiencing and as a result of the fear that what he was eating may be responsible for the pain. otherwise, harold seemed fine. the doctor referred harold to a physician that specialized in internal medicine and had harold make an appointment for a procedure called an endoscopy. the endoscopy was performed at a hospital later that week. during the procedure, a long, thin tube was inserted into harold's mouth and directed into his digestive tract. the end of the tube was equipped with a light source and a small camera which allowed the doctor to observe the interior of harold's stomach. the endoscope was also equipped with a small claw-like structure that the doctor could use in order to obtain a small tissue sample from the lining of harold's stomach, if required. the endoscopy revealed that harold had a peptic ulcer. analysis of a tissue sample taken from the site showed that harold also had an infection that was caused by helicobacterpylori bacteria. the doctor who performed the endoscopy gave harold prescriptions for two different antibiotics and a medication that would decrease the secretion of stomach acid. the doctor also instructed harold to schedule an appointment for another endoscopy procedure in 6 months. 1. list the subjective findings in this case study. 2. what is an endoscopy? (2 points) what is a biopsy? 3. how was a biopsy performed on harold? 4. differentiate between gastric and duodenal ulcers by location. 5. what role does h. pylori play in the formation of peptic ulcers? 6. define occult and frank blood. (4 points) what is a guaiac test? 7. how can peptic ulcers cause bleeding? 8. why were antibiotics prescribed? 9. why would a medication that would decrease the secretion of stomach acid be beneficial?

Anurse is discussing adverse reactions to pain medications in older adult clients with a newly licensed nurse. which of the following findings should the nurse include as risk factors for an adverse drug reaction? (select all that apply.) a. decreased percentage of body fat b. polypharmacy c. multiple health problems d. increased rate of absorption e. decreased renal function

Mr. smith, a 57-year-old patient, presents at a health fair asking questions about the age-appropriate health maintenance and promotion considerations he should be concerned about. he stated that he only goes to his physician when he is sick and the last time he saw his physician was 2 years ago when he had a sinus infection. a. what further assessment does the nurse need to make before designing a teaching plan? b. what topics does the nurse need to include for mr. smith based on current medical recommendations? c. design a teaching plan that covers the topics.