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PSIO 201 Exam 1 2026 |Comprehensive
Q&A For Certification Success
Metabolism - correct-answer -the sum of all chemical processes that occur in the
body
catabolism (breaking down)
anabolism (construction
Responsiveness - correct-answer -the ability to respond to change in the internal
or external environment
Movement - correct-answer -at any structural level
the body, an organ, a cell or cell component
Growth an Differentiation - correct-answer -increase in number or size (growth) of
cells or the material found between cells
specialization (differentiation) of cells for a specific function
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Reproduction - correct-answer -formation of new cells and formation of new
individuals
Levels of Structural Organization in order - correct-answer -1. Chemical level
(atom/molecule)
2. Cellular level (smallest unit in body)
3. Tissue level (group of cells)
4. Organ level (group of tissues)
5. Organ system level (group of organs)
5. Organism level (one living individual)
Homeostasis - correct-answer -the condition in which the body's internal
environment is relatively constant within physiological limits
Negative Feedback Loop - correct-answer -original stimulus is reversed
used for conditions that need frequent adjustment (body temp, blood sugar
levels, blood pressure, etc.)
Positive Feedback Loop - correct-answer -original stimulus intensified
PSIO 201 Exam 1 2026 |Comprehensive
Q&A For Certification Success
Metabolism - correct-answer -the sum of all chemical processes that occur in the
body
catabolism (breaking down)
anabolism (construction
Responsiveness - correct-answer -the ability to respond to change in the internal
or external environment
Movement - correct-answer -at any structural level
the body, an organ, a cell or cell component
Growth an Differentiation - correct-answer -increase in number or size (growth) of
cells or the material found between cells
specialization (differentiation) of cells for a specific function
, 2|Page
Reproduction - correct-answer -formation of new cells and formation of new
individuals
Levels of Structural Organization in order - correct-answer -1. Chemical level
(atom/molecule)
2. Cellular level (smallest unit in body)
3. Tissue level (group of cells)
4. Organ level (group of tissues)
5. Organ system level (group of organs)
5. Organism level (one living individual)
Homeostasis - correct-answer -the condition in which the body's internal
environment is relatively constant within physiological limits
Negative Feedback Loop - correct-answer -original stimulus is reversed
used for conditions that need frequent adjustment (body temp, blood sugar
levels, blood pressure, etc.)
Positive Feedback Loop - correct-answer -original stimulus intensified
