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ECPI 2019. ANATOMY & PHYSIOLOGY EXAM. CHAPTERS 1-3 QUESTIONS AND ANSWRTS GRADED A+ CA$26.10   Add to cart
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ECPI 2019. ANATOMY & PHYSIOLOGY EXAM. CHAPTERS 1-3 QUESTIONS AND ANSWRTS GRADED A+
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ECPI 2019. ANATOMY & PHYSIOLOGY EXAM. CHAPTERS 1-3 QUESTIONS AND ANSWRTS GRADED A+ 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. - M...

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  • September 5, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
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  • ecpi 2019 anatomy physiology exam chapters 1 3
  • negative feedback effectors return conditions tow
  • positive feedback changedeviation is intensified
  • physiology study of functions of human body and i

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ECPI 2019. ANATOMY & PHYSIOLOGY
EXAM. CHAPTERS 1-3 QUESTIONS AND
ANSWRTS GRADED A+

NEGATIVE FEEDBACK: - answer 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: - answer 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: - answer Study of structure of the human body and its parts

- Derived from the Greek word "cutting up"

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

- Derived from the Greek word "relationship to nature"

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

Ex: homeostasis

Peri- - answer Around

Ex: pericardium (around the heart)

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

Ex: hypoglycemia - low blood sugar

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

, Ex: hyperglycemia - high blood sugar

Epi: - answer Upon, on top of

Pariet: - answer A wall (of the body)

VISCERAL LAYER: - answer Inner layer which covers an organ

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

MEMDIASTINUM: - answer Region between lungs in thoracic cavity, which contains
heart, esophagus, trachea, thymus gland.

CONTRALATERAL: - answer Opposite sides

IPSILATERAL: - answer Same side

HOMEOSTASIS: - answer Maintenance of a stable internal environment.

LEVELS OF ORGANIZATION IN ORDER FROM MOST SIMPLE: - answer Subatomic
particles
Atoms
Molecules
Macromolecules
Organelle
Cell
Tissue
Organ
Organ system
Organism

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

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

MOLECULE: - answer Particles consisting of atoms joined together (water, glucose)

MACROMOLECULE: - answer Large particles consisting of molecules (DNA, protein)

ORGANELLE: - answer Functional part of a cell (mitochondrion, lysosome) - small
version of an organ
"little organ"

CELL: - answerBasic unit of structure and functions (muscle, nerve, or blood cell)

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