Chapter 17 - Drains, Bandages, and External Coaptation Flashcards
Double clove hitch suture pattern
What material is commonly used for making passive drains?
A) Steel B) Polyethylene C) Rubber D) Both B and C
D) Both B and C
Chinese finger trap
What is the main function of active drains?
A) To utilize gravity for drainage B) To rely on suction for fluid removal C) To prevent fluid accumulation D) To facilitate wound healing
B) To rely on suction for fluid removal
Which drain type uses gravity and capillary action primarily for fluid removal?
A) Active drain B) Penrose drain C) Tube drain D) Sheet drain
B) Penrose drain
What can happen if a passive drain is placed too close to delicate tissues?
A) Improved drainage B) Mechanical irritation C) Increased fluid retention D) Enhanced healing
B) Mechanical irritation
What is the disadvantage of using gauze drains?
A) They are too expensive B) They may cause ascending infection C) They are ineffective in drainage D) They require complex removal
B) They may cause ascending infection
How long should red rubber sheet drains typically be left in place?
A) 24 hours B) 48 to 72 hours C) 1 week D) 10 days
B) 48 to 72 hours
What type of drain is known to collapse under suction?
A) Tube drain B) Penrose drain C) Gauze drain D) Sheet drain
B) Penrose drain
Name the passive drains
Gauze drain
Latex Penrose
Silicone Penrose
Rubber tube drains
Sheet drain
Flexi-drain
Name the active drains
Redon drain
Jackson Pratt
Blake drain
Trochar catheter
What is a disadvantage of tube drains in passive systems?
A) They are too expensive B) They can easily be obstructed C) They are difficult to insert D) They are not pliable
B) They can easily be obstructed
What mechanism does the cigarette drain utilize?
A) Active suction B) Capillary action C) Gravity only D) External pressure
B) Capillary action
Which drain type is specifically mentioned as useful in septic joints?
A) Gauze drain B) Penrose drain C) Tube drain D) Sheet drain
B) Penrose drain
What aspect of gauze drains can facilitate effective débridement?
A) Cost-effectiveness B) Local deposition of antibiotics C) Tissue adherence to the drain D) Simplicity of removal
C) Tissue adherence to the drain
Which drain type requires frequent bandage changes to maintain sterility?
A) Penrose drain B) Gauze drain C) Tube drain D) Sheet drain
B) Gauze drain
What material should NOT be used for drains due to potential foreign body reactions?
A) Silicone B) PVC C) Red rubber D) Polyethylene
C) Red rubber
How does the design of a sheet drain facilitate fluid removal?
A) It provides a rigid structure B) It allows for easy trimming C) Its shape resists compression D) It uses suction
C) Its shape resists compression
What role does the trocar play in active drain placement?
A) It increases suction strength B) It creates the egress site C) It stabilizes the drain D) It helps in suturing
B) It creates the egress site
Which of the following is true about passive drains?
A) They require active suction to function B) They can be fenestrated for better drainage C) They primarily rely on gravity and capillary action D) They are not effective for viscous fluids
C) They primarily rely on gravity and capillary action
What is a major consideration for drain removal timing?
A) The patient's comfort B) The healing of the incisional sutures C) The length of the drain D) The type of drain used
B) The healing of the incisional sutures
What should be avoided to minimize contamination during passive drain placement?
A) Small egress openings B) Direct suturing of the drain C) Aseptic preparation D) Large egress openings
A) Small egress openings
Which type of drain is best suited for small, sensitive areas?
A) Tube drains B) Gauze drains C) Sheet drains D) Penrose drains
A) Tube drains
What is the disadvantage of using multi-fenestrated drains?
A) They are more costly B) They have lower drainage capacity C) They can obstruct easily D) They can support bacterial growth
D) They can support bacterial growth