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44 terms

Chp 1 A&P

chp 1 lecture
STUDY
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Anatomy
study of body structure
Physical Examination
Use of the techniques of inspection, palpation, percussion, and auscultation to obtain information about the structure and function of body parts.
Palpation
to examine by touch
Auscultation
a physical examination method of listening to sounds within the body with stethoscope
Percussion
tapping a part of the body for diagnostic purposes
Dissection
Cutting up and separating structures and tissue to examine.
Gross Anatomy
study of the body parts visible to the naked eye
Histology
the study of the microscopic structure of tissues
Physiology
study of how the body functions
Scientific Method
a series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions
Inductive method
a process of making numerous observations until one feels confident in drawing generalizations and predictions from them
Hypothetico Deductive Method
Ask a question and develop an experiment to figure out the answer.
Hypothesis
an educated guess
experiment
the testing of an idea
Falsifiability
The requirement that a scientific theory must be stated in a way that it can be tested and disproved if it is indeed wrong
What to consider in an experimental design.
Sample size, variation, control group, treatment group,psychosomatic effects, and experimental bias.
Control group
Receives "0" level treatment and placebos
Treatment group
Receives treatment
Experimental Bias
Use double blind studies to prevent
Facts
Undisputed and can be verified.
Laws of nature
Generalization about the predictable ways in which matter and energy behave.
Theory
Statement of explanation, supported by facts, laws of nature, and experimentation.
Organization of Living Systems in order
Atom
Molecules
Organelles
Cell
Tissue
Organ
Organ Systems
Organism
Atom
the smallest component of an element having the chemical properties of the element
Molecules
two or more atoms joined together
Organelles
specialized structures that carry out specific cell functions
Cell
basic unit of life
Tissue
group of similar cells that perform a particular function
Organ
a collection of tissues that carry out a specialized function of the body.
Organ Systems
a group of organs that work together in performing vital body functions
Organism
A living thing
Characteristics of life
Organization, Cellular composition, Metabolism and excretion, Responsiveness, Homeostasis, Development and Growth, Reproduction and Evolution.
Metabolism
the sum of all chemical processes that occur in an organism
excretion
the bodily process of discharging waste matter
Responsiveness
is the organism's ability to sense changes taking place inside or outside the body
Homeostasis
process by which organisms maintain a relatively stable internal environment
Development
The process of change that occurs during an organism's life to produce a more complex organism.
Growth
increase in size
Reproduction
production of offspring by an organism; a characteristic of all living things
Evolution
change in a kind of organism over time
Viruses
non-living parasites composed of a genome inside a protein coat
Negative feedback system
Reverses a change in a controlled condition. e.g. regulation of (high) blood pressure.
positive feedback
Feedback that tends to magnify a process or increase its output.
feedback loops
maintain homeostasis-detects and responds to changes in internal environment (positive and negative)