Lecture 1 wk 1

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Lecture 1 wk 1
2015-10-14 18:02:58
Lecture wk
Lecture 1 wk 1
Lecture 1 wk 1
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  1. exploratory surgery is
    open up the body and talking a look inside to see what was wrong and what could be done about it.
  2. define cytology
    the study of the structure and function of individual cells
  3. define histology
    take a tissue sample, thinly sliced and stain them to observe them under a microscope. (microscopic anatomy).
  4. define gross anatomy
    structures that can be seen with the naked eye by observation, radiology, or dissection.
  5. -name the medical imagery that penetrates tisues to darken photographic film beneath the body. 
    -Dense tissue appears white
    Radiography (x-rays)
  6. name the medical imagery that injects or swallows radiopaque substance. fills hallow structures, blood vessels, and intestinal tracts.
    radiography (x-rays)
  7. name the medical imagery that uses low-intensity x-rays and comuter analysis.
    -slice-type images, and increases sharpness of image.
    Computed tomography or CAT scan
  8. name the medical imagery that assesses metabolic state of tissues, distinguishes tissues most active at a given moment.
    -mechanics-inject radioactively labeled glucose.
    -image color shows tissues using the most glucose at that moment, and damaged tissues appear dark.
    Positron emission tomography (PET scan)
  9. ____ is the force that holds together the atoms in a molecule created when an atom gains or looses or shares an electron.
    chemical bond
  10. 1) ____ is a very strong bond may be polar or non polar, and share an electron

    2) a strong bond where an atom gives or takes an electorn
    • 1) covalent bond. H2
    • 2) ionic bond NaCl
  11. which molecule has the weakest bond
  12. molecules or compounds have 2 or more atoms that chemically share a bond?
  13. molecules or compounds are a molecule formed by two or more different elements
  14. type of chemical reaction that builds a molecule
  15. type of reaction that breaks apart a molecule
  16. type of reaction that switches molecules in a reaction
  17. type of reaction that may occur both directions, and name the reaction that only occurs one way
    reversible and irreversible
  18. what's the role of a catalyst
    to speed up a reaction or *decreases activation energy
  19. 1) reaction that forms by removing water to synthesize a reaction
    2) reaction where organic molecules are broken apart by adding hydrogen
    • 1) dehydration
    • 2) hydrolysis
  20. list 3 disaccharides
    • 1) sucrose=glucose=fructose
    • 2) lactose=glucose+galactose
    • 3) maltose=glucose+glucose
  21. List 3 polysaccharides
    • 1) glycogen
    • 2) starch
    • 3) cellulose
  22. which of 2 fatty acids are good for us
    -Unsaturated (w/o H+) are good (oils)

    -Saturated are not (w/H+) usually solid fats.
  23. Triglycerides are a type of fatty acid that's main job is...
    energy storage
  24. 2 types of reactions of the body
    1) catabolism: decomposition reaction that releases energy (exergenic)

    2) anabolism: energy storing reaction that requires energy to produce protein or fat. (endogenic)
  25. define exergenic 
    • 1) energy releasing through decomposition
    • 2) energy storing by synthesizing reactions
  26. a homogenous mixture of solute disolved in solvent is known as a
  27. 1 ) in an aqueous solution the solvent is
  28. a solution containing dissolved ions (allowing it to conduct electricity is known as what kind of solution
  29. 1) a positive atom that gains and electron is known as a ____

    2) a positive atoms that looses an electron is
    • 1) anion.
    • 2) cation
  30. name 7 of the most abndant electrolytes in the body
    • 1) Na (sodium)
    • 2) K (potassium)
    • 3) Ca (calcium)
    • 4) Mg (magnesium
    • 5) HCO3 (bicarbinate)
    • 6) PO4 (phosphate)
    • 7) Cl (chloride)