BMS 108 - Exam#1 Questions with 100%
Correct Answers | Rated A+
Define physiology, anatomy, pathophysiology - Physio: study of function
and how the body works
Anatomy: study of structure
Pathophysio: study of how disease or injury affects function
What are the steps involved in the scientific...
Explain how antagonistic effectors help to maintain homeostasis. -
✔✔Antagonistic effectors are opposing effectors like hot/sweat, cold/shiver,
high BP/insulin, low BP/glucagon.
Explain the nature of positive feedback loops and how these function in the
body. - ✔✔Positive feedback loops bring the body further away from
homeostasis. Once a change is set, the loop amplifies it. It's so rare
because the body always wants to stay in homeostasis, unless it's a rare
occasion like childbirth, blood clot, or a fever.
Distinguish between intrinsic and extrinsic regulation, and explain, in a
general way, the roles of the nervous and endocrine systems in body
regulation. - ✔✔Intrinsic regulation is when all sensor, integrating center,
and effector is in the same organ. E.g. the pancreas housing the sensor, in.
center, and effectors for blood glucose levels.
Extrinsic regulation is when the sensor, integrating sensor, or effectors are
mandated by a different organ than the target organ, usually the brain or
the heart.
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