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BMSC207: Midterm (Modules 1 - 6) Test with Questions Solved 100% Correct
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BMSC207: Midterm (Modules 1 - 6) Testwith Questions Solved 100% Correct
what is a set point in biorhythms? - Answer the ideal value or range of values for a
physiological parameter
what are biorhythms? - Answer variables that change predictably and create
repeating patterns of changes
what are cells? - Answer smallest unit of structure capable of carrying out life processes
what are tissues? - Answer collection of cells carrying out related functions
what are organs? - Answer formation of tissues into a structural and functional unit
what are organ systems? - Answer integrated groups of organs
whList the 10 organ systems - Answer 1. circulatory
2. digestive
3. endocrine
4. immune
5. integumentary
6. musculoskeletal
,7. nervous
8. reproductive
9. respiratory
10. urinary
What is physiology? - Answer - the study of the normal functioning of a living organism
and its component parts, including chemical and physical processes
- "knowledge of nature"
What are emergent properties? - Answer properties of a complex system that cannot
be explained by a knowledge of a systems individual components
What do emergent properties result from? - Answer from complex,
nonlinear interactions of the systems different components
What are some examples of emergent properties? - Answer - emotion or intelligence
in humans cannot be predicted from knowing the individual properties of nerve cells
- the human genome project (pg 2 in textbokk)
What are the levels of organization? - Answer Chemistry, Molecular biology, Cell
Biology, Physiology, Ecology
What are cells? - Answer smallest unit of structure capable of carrying out life processes
What are tissues? - Answer Collection of cells carrying out related functions
what are organs? - Answer formation of tissues into a structural and functional unit
,What are organ systems? - Answer integrated groups of organs
What is the function or "why" approach? - Answer - teleological approach that looks at
the function and adaptive significance of a physiological event
What is the mechanism or "how" approach? - Answer - considered a
mechanism approach
- how a process occurs
does Physiology focus on mechanism or teleological approach? - Answer mechanism
what is homeostasis? - Answer the ability to maintain and relatively stable
internal environment in spite of exposure to external variability
what are variables in body that maintain homeostasis? - Answer blood pressure,
bodytemp, ion/molecule concentration, gas partial pressures, etc.
T or F - homeostasis and regulation of the internal environment are key principles
in physiology? - Answer True
What are some examples of external change? - Answer - toxic chemicals
- physical trauma
- foreign invaders (bacteria or viruses)
what are some examples of internal change? - Answer - abnormal cell growth
- autoimmune disorders
- genetic disorders
, what is important for the internal environment of the body? - Answer - constancy
(most cells are not tolerant to changes in their surroundings)
- Extracellular fluid (ECF)
- Dynamic steady state (materials constantly moving back and forth)
what is extracellular fluid (ECF)? - Answer surrounding cells and is a buffer between cells
and external environment
what is the law of mass balance? - Answer if the amount of a substance in the body is to
remain constant, any gain must be offset by an equal loss
how do you maintain constant level of mass balance? - Answer input and output must
be equal
what are some examples of input in the body? - Answer intake through intestine,
lungs, skin
what are some examples of output in the body? - Answer excretion by kidneys,
liver, lung, skin
what are the two type of control systems? - Answer local and reflex
Does the cell membrane consist of a single or double layer and what is it made of?
- Answer bilayer made of phospholipids with protein molecules inserted in them
What are the body cavities? - Answer cranial, thoracic, abdominopelvic
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