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WHICH FACTORS DO SURGEONS CONSIDER WHEN CHOOSING A SUTURE?
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1). type and site of the operation
2). healing characteristics of the tissue involved
3). properties of suture/needle
4). patients health condition and recuperative ability
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WHAT ARE THE (6) PHYSICAL PROPERTIES OF SUTURE ?
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1). tensile strength
2). absorption pitch
3). handling
4). memory
5). knot security
6). tissue drag
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What is the baseline for suture sizing?
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0
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A diameter _______ above "0" numbers are designated, as diameter ______ "0" number as addded.
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1). increases
2) decreases
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WHAT ARE RANGE SIZE SUTURES ARE USED FOR THE 1). CHEST, 2). ABDOMEN, 3). SKIN, 4). CABG, 5). MICRO...?
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1). 5 TO 7
2). 2 TO 5
3). 2-0 TO 5-0
4). 8-0 TO 6.0
5). 11-0 TO 9-0
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WHAT IS THE SIZE SUTURE THAT IS MOST COMPARABLE TO A HAIR?
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7-0
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WHAT IS TENSILE STRENGTH?
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A. a materials resistance to forces of stress
B. used to describe how long the material will provide support to the wound
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HOW IS TENSILE STRENGTH MEASURED?
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% of the original out of package strength
% of USP
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WHAT IS HANDLING?
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Refers to certain properties that make a certain suture easy for a surgeon to work with and tie
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WHAT ARE THE (3) PROPERTIES OF HANDLING?
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1). elasticity-ability to stretch & rebound
2). texture- tactile suture characteristics
3). memory- tendency of suture to return to the config of the suture in the pckge.
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DEFINE KNOT SECURITY...
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A). the ability of a suture to hold a knot without slipping
B. complications can develop if knot slips or unties
C. knot requires 2 throws to be complete
a. 1st knot-positions the know
b. 2nd knot-lock it down
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DEFINE ABSORPTION PROFILE
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Refers to the complete assimilation of a material by the body
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IF ONE COULD BE MADE, WHAT WOULD BE THE PERFECT (ideal) SUTURE?
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The most ideal suture is one that would absorb the fatest and the most complete. It would absorb as soon as tensile strength is lost.
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HOW MANY DAYS DOES IT TAKE FOR POLYSORB TO COMPLETELY ABSORB?
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56 TO 70 DAYS
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WHAT IS TISSUE DRAG?
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Tissue drag is used to describe the effect of suture flowing through tissue
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