1-28-2016 Reading Material

Question 1

What determines the type of tissue in which a needle should be used?

Answer 1

the point

Question 2

What is best used in tissue where a sealed suture line is needed?

Answer 2

a taper point needle with a round body

Question 3

What type of needle is used with tough fiberous tissue and some cardiovascular procedures?

Answer 3

a taper-cut needle

Question 4

Which type of needle is the most traumatic to tissue?

Answer 4

a cutting edge needle

Question 5

What three body types may a needle be?

Answer 5

straight, circular, or curved

Question 6

What is one application of the straight needle in veterinary medicine?

Answer 6

purse string suture in anus

Question 7

What three subtypes of curved needles are available?

Answer 7

full curve, half curve or double curve

Question 8

What use are double curved needles usually reserved for?

Answer 8

lare animal surgery especially bovine surgical closures

Question 9

Why are half curved needles classified as such?

Answer 9

only half the needle body is curved

Question 10

Why are full curved needles classified as such?

Answer 10

the entire body of the needle is curved

Question 11

What are four common circular needle shapes?

Answer 11

1/4 circle, 5/8 circle, 1/2 circle, 3/8 circle

Question 12

What is the most common method of suture attachment to the needle?

Answer 12

swaged or eyeless needle

Question 13

What is the purpose of suture material?

Answer 13

to hold together wound edges until the wound can withstand the stress of healing without additional support

Question 14

What are eight characteristics of suture material?

Answer 14

tensile strength, memory, flexibility, absorbability, capillarity, structure, knot security, and color

Question 15

Define tensile strength.

Answer 15

the amount of force in PSI that the suture can withstand as an untied fiber before it breaks

Question 16

Define flexibility.

Answer 16

the ease with which the suture is manipulated either by the surgeon or in the tissue

Question 17

What is the difference between absorbable and nonabsorbable suture?

Answer 17

nonabsorbable suture material is not broken down by the body and can remain intact for at least two years; absorbable suture material is broken down by the body over a period of 60 days - 2 years

Question 18

Define capillarity.

Answer 18

the ability of a suture material to allow microbes to wick to the interior of the suture strand

Question 19

What are the two basic structure types of suture?

Answer 19

monofilament and multifilament

Question 20

Define knot security.

Answer 20

the ability of suture to hold the knots that the surgeon has placed

Question 21

Define natural suture material.

Answer 21

suture made from fibers found in nature

Question 22

Name three natural suture materials.

Answer 22

cotton, silk, catgut

Question 23

Define synthetic suture material.

Answer 23

suture made from manufactured materials

Question 24

Name two synthetic suture materials.

Answer 24

nylon, polyglactin 910

Question 25

What criteria should be considered when selecting suture type and size?

Answer 25

patient size, tissue of placement, strength required, healing potential of tissue, importance of cosmetic appearance, and cost

Question 26

How is suture size classified?

Answer 26

the term “ought” represented by the numeral 0

Question 27

What is the rule for suture sizing classification?

Answer 27

the more zeroes in a size the smaller the suture, the larger whole number the larger the suture

Question 28

What packaging options are available for suture material?

Answer 28

single use sterile packets and cassettes

Question 29

When are external staples a good choice?

Answer 29

when a wound needs to be closed quickly or a patient has a history of chewing a surgical site or tissue reaction to suture material

Question 30

Answer 30

needle body

Question 31

Answer 31

needle point

Question 32

Answer 32

swaged end

Question 33

Answer 33

French eye

Question 34

Answer 34

closed eye

Question 35

Answer 35

blunt point

Question 36

Answer 36

regular cutting

Question 37

Answer 37

reverse cutting

Question 38

Answer 38

reverse cutting

Question 39

Answer 39

spatula point

Question 40

Answer 40

taper cut

Question 41

Answer 41

taper point