Nurs 210 Exam 1 umich question n answers graded A+ 2024

Nurs 210 Exam 1 homeostasis - correct answer maintenance of relatively stable internal conditions despite continuous changes in the environment dynamic state of equilibrium - correct answer always readjusting as needed and is maintained by contributions of all organ systems what systems are responsible for communication? - correct answer nervous and endocrine system what are internal variables in the body that need to be controlled? - correct answer temperature, blood glucose, blood pressure, etc. negative feedback mechanism - correct answer output shuts off the original effect of the stimulus or reduces its intensity ex: blood glucose levels, body temperature positive feedback mechanism - correct answer initial response exaggerates the original stimulus so that further responses are even greater ex: blood clotting, labor contractions components of a feedback loop - correct answer receptor, control center, effector receptor (first component) - correct answer sensor that monitors the environment, it responds to stimuli by sending information along the afferent pathway to the second component control center (second pathway) - correct answer determines the set point, analyzes the input it receives by comparing it to a set point and determines an appropriate response, information then flows from the control center along the efferent pathway to the third component effector (third component) - correct answer carries out the control center's response to stimulus, results of the response then feed back to influence the effect of the stimulus, either reducing it (negative) so that the whole process is shut off, or enhancing it (positive)