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Part 1, Physiology
Matt Hobbs
121
Physiology
Undergraduate 3
09/10/2011

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Cards

Term
What is Physiology?
Definition
The study of how cells, tissues, organs, organ systems and organisms function
Term
What is emphasized in Physiology?
Definition
Cause and Effect mechanisms
Term
What is Pathophysiology?
Definition
The study of how physiology is altered in injury and disease
Term
What is Comparative Physiology?
Definition
The study of physiological processes in various organisms such as invertebrates and vertebrates
Term
What is plant physiology?
Definition
The study of the physiology of plants
Term
Science is a process. What process is used?
Definition
The Scientific Method
Term
Although there are many techniques involved in applying the scientific method, all share what three attributes?
Definition
1. Confidence the natural world is ultimately explainable
2. Honest conduction and communication of research and results.
3. Humility that you can possibly be wrong.
Term
Within science there is a base of knowledge. What are the two general categories within this base?
Definition
1. Universal

2. Personal
Term
Within science, what is a testable prediction?
Definition
Hypothesis
Term
What is the key characteristic of a hypothesis within science?
Definition
It's Testable
Term
What is the key characteristic of the data used within science?
Definition
It's Reproducible
Term
How are the results of scientific research formally communicated?
Definition
Within Peer-reviewed Journals
Term
What are scientific theories?
Definition
structures of ideas that explain and interpret the facts
Term
What is the maintenance of a relatively constant internal environment within an organism through dynamic means?
Definition
Homeostasis
Term
What type of mechanisms most commonly helps to maintain the internal environment of an organism?
Definition
Negative feedback loops
Term
A factor in homeostasis is maintained around what general constant?
Definition
The set point
Term
What component of negative feedback loop detects changes in a factor in homeostasis?
Definition
A sensor
Term
Within a negative feedback loops, sensors relay information to what part of a loop?
Definition
The Integrating Center
Term
Within a negative feedback loop, what component is immediately responsible for affecting the factor undergoing a change?
Definition
The Effector
Term
What adjective describes effectors with opposite impacts on a physiological factor?
Definition
Antagonistic
Term
What adjective means of, relating to, or involving the measurement of quantity or amount?
Definition
Quantitative
Term
What type of mechanism amplifies the change in a physiological factor?
Definition
Positive feedback loops
Term
What type of mechanism is built into the structure which it effects?
Definition
Intrinsic Mechanisms
Term
What type of mechanism is outside of the structure it effects?
Definition
Extrinsic Mechanisms
Term
What regulatory system within the body secretes hormones?
Definition
The Endocrine System
Term
What regulatory mechanism within the body produces electrochemical impulses?
Definition
The Nervous System
Term
What are the 4 primary tissue types?
Definition
Epithelial, Nervous, Muscular, & Connective
Term
What are the 3 types of muscle tissue?
Definition
Skeletal, Cardiac and Smooth
Term
What primary tissue type is specialized for contraction?
Definition
Muscular
Term
What type of muscle is non striated?
Definition
Smooth Muscle
Term
What type of muscle is striated and branched?
Definition
Cardiac Muscle
Term
What type of muscle is striated and multinucleated?
Definition
Skeletal Muscle
Term
Within nervous tissue, what type of cells generate and conduct impulses?
Definition
Neurons
Term
Within nervous tissue, what type of cells support and maintain neurons?
Definition
Glial Cells
Term
What part of the neuron holds the nucleus?
Definition
The cell body
Term
What part of a neuron receives input from other cells?
Definition
Dendrites
Term
What part of a neuron conducts impulses away from the cell body?
Definition
Axon
Term
What primary tissue type acts as a covering or lining of the bodies surface and cavities and also forms many of the bodies glands?
Definition
Epithelium
Term
What type of epithelium acts as a lining or covering for the body's cavities and surface?
Definition
Membranous
Term
Glands consist of what type of epithelium?
Definition
Glandular
Term
What type of glands secrete their product onto an epithelial surface?
Definition
Exocrine Glands
Term
What type of glands secrete their product directly into the blood?
Definition
Endocrine Glands
Term
What two factors are used to classify membranous epithelium?
Definition
Stratification & Shape
Term
What adjectives describes flat epithelial cells?
Definition
Squamous
Term
What adjective describes cube-shaped epithelial cells?
Definition
Cuboidal
Term
What adjective describes epithelial cells that are longer than they are wide?
Definition
Columnar
Term
What adjective describes epithelium that consists of a single layer of cells?
Definition
Simple
Term
What adjective describes epithelium that consists of several layers of cells?
Definition
Stratified
Term
What type of membranous epithelium is specialized for protection?
Definition
Stratified
Term
What type of membranous epithelium is specialized for movement of substances across them?
Definition
Simple
Term
What unicellular glands produce mucus?
Definition
Goblet Cells
Term
What protein is found in epithelium exposed to the outside of the body?
Definition
Keratin
Term
What term refers to membranous epithelium lacking keratin?
Definition
Nonkeratinized
Term
Structures that join membranous epithelium tightly together are collectively known as what?
Definition
Junctional Complexes
Term
What is the layer of proteins and polysaccharides that attach membranous epithelium to the underlying connective tissue?
Definition
Basement Membrane
Term
What primary tissue type supports other tissues both physically and physiologically and also protects and binds other tissues?
Definition
Connective Tissue
Term
What are the three principle types of connective tissue?
Definition
Connective Tissue Proper
Supporting Connective Tissue
Fluid connective tissue
Term
What are the two broad categories of connective tissue proper?
Definition
Loose Connective Tissue
Dense Connective Tissue
Term
What type of loose connective tissue surrounds nerves, blood vessels, and individual muscle cells?
Definition
Areolar Connective tissue
Term
This type of tissue forms shiny layers of binding tissue commonly known as what?
Definition
Fascia
Term
What type of loose connective tissue is commonly know as fat?
Definition
Adipose Connective Tissue
Term
What type of connective tissue forms a mesh-work that acts as a structural framework for organs such as the spleen, thymus, and lymph nodes?
Definition
Reticular Connective Tissue
Term
What are the 3 types of dense connective tissue?
Definition
Dense Regular Connective Tissue
Dense Irregular Connective Tissue
Elastic Connective Tissue
Term
what type of dense connective tissue is composed of densely packed, parallel collagen fiber?
Definition
Dense regular connective tissue
Term
Where is dense regular connective tissue found?
Definition
Tendons and ligaments
Term
What type of dense connective tissue is composed of collagen fibers extending in all directions?
Definition
Dense irregular connective tissue
Term
Where is dense irregular connective tissue found?
Definition
Deep portion of the dermis, perichondrium, Periosteum, Fibrous capsules around organs
Term
What kind of dense connective tissue contains elastic tissue?
Definition
Elastic Connective tissue
Term
What are the two types of supporting connective tissue?
Definition
Cartilage & Bone
Term
Which of the two types of supporting connective tissue is more flexible and found where the body needs support and must withstand deformation?
Definition
Cartilage
Term
What type of connective tissue is composed of 1/3 organic components and 2/3 calcium salts?
Definition
Bone
Term
What type of bone forms a latticework inside of individual bones?
Definition
Cancellous (spongy) bone
Term
There are two forms of bone. Which is solid and forms the outer shell of an individual bone?
Definition
Cortical (compact) bone
Term
What is the fluid connective tissue?
Definition
Blood
Term
What are anatomical structures composed of at least two of the primary tissue types and performing specific functions?
Definition
Organs
Term
What is the outer layer of the skin?
Definition
Epidermis
Term
What is the deep layer of skin?
Definition
Dermis
Term
What tissue layer lies just deep to the skin?
Definition
Subcutaneous Layer
Term
What are undifferentiated cells that have the potential to develop into a variety of tissue types?
Definition
Stem cells
Term
What adjective describes cells that can produce all the different specialized cells in the body?
Definition
Totipotent
Term
What adjective describes the ability of adult stem cells to form a variety of related cell types?
Definition
Multipotent
Term
What adjective describes the ability of embryonic stem cells to form unrelated cell types?
Definition
pluripotent
Term
What level of organization deals with organs working together to achieve a common function?
Definition
(Organ)System Level
Term
What are the two main aqueous compartments within the body?
Definition
Intracellular & Extracellular
Term
What are the two subdivisions of the extracellular compartment?
Definition
blood and tissue (interstitial) fluid
Term
What are the smallest units of chemical elements?
Definition
Atoms
Term
What is the center of an atom?
Definition
Nucleus
Term
Within the nucleus of an atom, what are the positive particles?
Definition
Protons
Term
Within the nucleus of an atom, what are the particles which do not carry a charge?
Definition
Neutrons
Term
What is the number of Protons and Neutrons with the nucleus of an atom?
Definition
Mass Number
Term
What is the number of protons within an atom?
Definition
Atomic Number
Term
What are the negatively charged particles within an atom?
Definition
Electrons
Term
Where do electrons occur within an atom?
Definition
Orbitals
Term
What are atoms with the same number of protons but different numbers of neutrons?
Definition
Isotopes
Term
What are isotopes which are unstable and decay to different isotopes or elements?
Definition
Radioactive Isotopes
Term
What are the interactions between atoms which form molecules?
Definition
Chemical Bonds
Term
Within what type of chemical bonds are electrons shared between atoms?
Definition
Covalent Bonds
Term
Within what type of covalent bonds are electrons shared equally?
Definition
Nonpolar
Term
Within what type of covalent bonds are atoms*electrons* check shared unequally?
Definition
Polar
Term
Within what type of chemical bond are electrons completely transferred from one atom to another?
Definition
Ionic
Term
What are atoms that have completely lost or gained electrons?
Definition
Ions
Term
What are positively charged ions?
Definition
Cations
Term
What are negatively charged ions?
Definition
Anions
Term
What adjective describes molecules that are attached to water?
Definition
Hydrophillic
Term
What adjective describes molecules that are repelled by water?
Definition
Hydrophobic
Term
Within what type of bond is a partially positive hydrogen atom attracted to a partially negative atom?
Definition
Hydrogen Bond
Term
What type of bond occurs within a water molecule?
Definition
Polar Covalent
Term
What type of chemical bond occurs between water molecules?
Definition
Hydrogen bonds
Term
What is a substance that releases hydrogen ions into solution?
Definition
An Acid
Term
What is a substance that releases or increase hydroxyl ions in solution?
Definition
A base
Term
What adjective describes a solution that has a higher concentration of hydrogen ions than water?
Definition
Acidic
Term
What adjective describes a solution that has a lower concentration of hydrogen ions in solution?
Definition
Basic or Alkaline
Term
What is a scale that represents the concentration of hydrogen ions in solution?
Definition
The pH Scale
Term
What is the formula for pH?
Definition

The Log of 1 over the concentration of hydrogen ions

 

pH=    1   

            [H+]

Term
What is the range of pH if it's acidic?
Definition
1-7
Term
What is the range of the pH if it's neutral?
Definition
7
Term
What range of pH is it if it's basic?
Definition
7-14
Term
What is a system of molecules and ions that act to prevent a change in pH?
Definition
A Buffer
Term
What is the pH of blood?
Definition
7.35-7.45
Term
What condition occurs if the pH of blood falls below 7.35?
Definition
Acidosis
Term
What condition occurs if the pH of blood rises above 7.45?
Definition
Alkalosis
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