Bio 116: Exam Two: Blood (Review Questions and Answers)
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Bio 116:
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Bio 116:
the fluid component of a solution - answer-solvent
any material dissolved in a solution - answer-solute
a fluid containing dissolved materials - answer-solution
a solution with water as its solvent - answer-aqueous solution
a solution with dispersed proteins - answer-colloid solution
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Bio 116: Exam Two: Blood (Review
Questions and Answers)
the fluid component of a solution - answer-✔solvent
any material dissolved in a solution - answer-✔solute
a fluid containing dissolved materials - answer-✔solution
a solution with water as its solvent - answer-✔aqueous solution
a solution with dispersed proteins - answer-✔colloid solution
a mixture of a solvent & a large solute - answer-✔suspension
When left undisturbed, a solute will settle out of a solution due to ______. -
answer-✔force of gravity
settling of the solute out of a suspension - answer-✔sedimentation
What are the 5 functions of the blood? - answer-✔1) transportation of dissolved
gases (O2 & CO2), nutrients, amino acids, fatty acids, hormones, wastes, & waters
of metabolically active cells
2) regulation of pH & ion composition within extracellular fluids
,3) regulation of fluid loss through damaged vessels (the clotting mechanism)
4) defense against toxins & pathogens
5) stabilize body temperature
How does blood stabilize the body temperature? - answer-✔The body stabilizes
body temperature by absorbing heat generated by active skeletal muscles &
redistributing it to other tissues. If body temp. is too high, heat will be lost across
the surface of skin. If body temp. is too low, warm blood is directed to the brain &
other temperature-sensitive organs.
Why is maintenance of body pH crucial to body function? - answer-✔The
maintenance of body pH is crucial to body function because diffusion between
interstitial fluids & blood eliminates local deficiencies or excesses of ions (calcium
or phosphate). It also absorbs & neutralizes metabolic acids generated by active
tissues.
What are formed elements in the blood? - answer-✔the cellular portion
Why is blood a special connective tissue? - answer-✔Blood is a special connective
tissue because it is a unique fluid connective tissue composed of 3 components
(cellular, ground substance, & fibers). In blood, the cellular portion is the formed
elements; the ground substance is the serum; and the fiber component is the plasma
proteins found in solution (instead of the insoluble fibers found in most CT).
What are the components of whole blood? - answer-✔plasma & cells
, What are the components of plasma? - answer-✔serum & plasma proteins
What color is plasma? - answer-✔light yellow
What is similar to plasma, but lacks the plasma proteins (will not coagulate
because of this)? - answer-✔serum
______ will coagulate. _____ will not coagulate. - answer-✔Plasma; serum
If whole blood is fractionated, what is the percentage of formed elements to
plasma? - answer-✔- 45% consists of cells or formed elements
- 55% consists of plasma
What is the normal temperature of blood? - answer-✔100.4 F or 38 C
What is the normal blood volume in males and in females? - answer-✔males = 5.0-
6.0 liters
females = 4.5-5.5 liters
What is fluid's resistance to flow? - answer-✔viscosity
Pure water has a viscosity of ____. Blood has a viscosity of _____. - answer-✔1; 5
Blood is how many times thicker than water? - answer-✔5x
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