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ECPI 2025: ANATOMY & PHYSIOLOGY EXAM: CHAPTERS 1-3 QUESTIONS AND ANSWERS 100% PASS £10.46
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ECPI 2025: ANATOMY & PHYSIOLOGY EXAM: CHAPTERS 1-3 QUESTIONS AND ANSWERS 100% PASS

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ECPI 2025: ANATOMY & PHYSIOLOGY EXAM: CHAPTERS 1-3 QUESTIONS AND ANSWERS 100% PASS NEGATIVE FEEDBACK: - Effectors return conditions toward normal range. - Called "negative" bc the response to the change moved the variable in opposite direction (negative) of the deviation from the set point. ...

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  • January 9, 2025
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  • 2024/2025
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ECPI 2025: ANATOMY &
PHYSIOLOGY EXAM: CHAPTERS 1-3
QUESTIONS AND ANSWERS 100%
PASS

NEGATIVE FEEDBACK: - ✔✔Effectors return conditions toward normal range.




- Called "negative" bc the response to the change moved the variable in opposite direction (negative) of

the deviation from the set point.


- Most common type of homeostatic mechanism.


- Prevents sudden, severe changes in the body.


- Ex: negative feedback controls body temp., blood pressure, glucose level in the blood.


POSITIVE FEEDBACK: - ✔✔Change/deviation is intensified - not reversed. Activity of effector is

increased initially, instead of decreasing.


- Uncommon in body / short-lived


- Produce unstable conditions that seem like they will not lead to homeostasis, but they will.


- Ex: blood clotting and uterus contractions of childbirth.


ANATOMY: - ✔✔Study of structure of the human body and its parts




Emily Charlene, ©2025 All Rights Reserved.

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- Derived from the Greek word "cutting up"


PHYSIOLOGY: - ✔✔Study of functions of human body and its parts.




- Derived from the Greek word "relationship to nature"


-stasis: - ✔✔Having a state of balance or stability.




Ex: homeostasis


Peri- - ✔✔Around




Ex: pericardium (around the heart)


Hypo: - ✔✔Low, under, beneath, down, or below normal




Ex: hypoglycemia - low blood sugar


Hyper: - ✔✔High, beyond, excessive, or above normal




Ex: hyperglycemia - high blood sugar


Epi: - ✔✔Upon, on top of


Pariet: - ✔✔A wall (of the body)




Emily Charlene, ©2025 All Rights Reserved.

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VISCERAL LAYER: - ✔✔Inner layer which covers an organ


PARIETAL LAYER: - ✔✔Outer layer which lines wall of cavity


MEMDIASTINUM: - ✔✔Region between lungs in thoracic cavity, which contains heart, esophagus,

trachea, thymus gland.


CONTRALATERAL: - ✔✔Opposite sides


IPSILATERAL: - ✔✔Same side


HOMEOSTASIS: - ✔✔Maintenance of a stable internal environment.


LEVELS OF ORGANIZATION IN ORDER FROM MOST SIMPLE: - ✔✔Subatomic particles


Atoms


Molecules


Macromolecules


Organelle


Cell


Tissue


Organ


Organ system


Organism


SUBATOMIC PARTICLES: - ✔✔Protons, neutrons, electrons that make up cells


ATOM: - ✔✔Tiny particles that make up chemicals (hydrogen, carbon)




Emily Charlene, ©2025 All Rights Reserved.

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