The is the muscular wall that makes up the bulk of the heart. The ventricle is the thicker and larger ventricle. The atrium and ventricle of each side are connected by a/an valve. A single cardiac cycle consists of the simultaneous contractions of both followed by the simultaneous contractions of both . The heart supplies blood to itself via arteries. Contraction of the ventricles (and relaxation of the atria) is called , whereas relaxation of the ventricles is called . The heart pumps blood to the lungs for oxygenation via the pulmonary .

4. you are asked to make 125 grams of a 7% antifungal cream using tolnaftate powder and eucerin cream. how many grams of tolnaftate powder are needed? round to the nearest hundredths (w/w)

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?

You are caring for a patient with an anxiety disorder on the psychiatric unit. the family is present with the patient. your instructor talked in the mental health course about cognitive, affective, and behavioral psychiatric nursing interventions. a. what are cognitive, affective, and behavioral psychiatric nursing interventions? b. give some examples of cognitive, affective, and behavioral psychiatric nursing interventions you could apply to the care of this family.