Surgical Hemostasis: Master Bleeding Control Techniques in Surgery

Question 1

Which of the following is a disadvantage of electrocautery?

Accepted Answer

Increased risk of infection

Answer

Precise hemostasis

Answer

Minimal tissue damage

Answer

Ease of use

Question 2

The primary purpose of a surgical ligature is to:

Accepted Answer

Occlude blood flow

Answer

Promote clot formation

Answer

Strengthen suture lines

Answer

Prevent tissue damage

Question 3

Which suture material is commonly used for skin closure due to its low reactivity and resistance to infection?

Accepted Answer

Polypropylene

Answer

Nylon

Answer

Silk

Answer

Ethicon

Question 4

Topical hemostatic agents are primarily used for:

Accepted Answer

Superficial bleeding control

Answer

Major bleeding control

Answer

Infection prevention

Answer

Tissue repair

Question 5

In cases of arterial bleeding, the optimal hemostasis method is:

Accepted Answer

Ligation

Answer

Electrocautery

Answer

Suture

Answer

Topical hemostatic agents

Question 6

Which suture pattern is most effective in distributing tension evenly across a wound?

Accepted Answer

Vertical mattress

Answer

Simple interrupted

Answer

Continuous

Answer

Horizontal mattress

Question 7

In microsurgery, which cautery type is commonly used for precise hemostasis?

Accepted Answer

Thermal bipolar cautery

Answer

Electrocautery

Answer

Laser cautery

Answer

Ultrasonic cautery

Question 8

What is the main purpose of a suture ligature?

Accepted Answer

To secure blood vessels and prevent bleeding

Answer

To approximate tissues and aid in healing

Answer

To provide traction for tissue retraction

Answer

To outline surgical margins

Question 9

For suturing delicate tissues, which suture material is most appropriate?

Accepted Answer

Polydioxanone (PDS)

Answer

Nylon

Answer

Silk

Answer

Polypropylene

Question 10

Which principle is fundamental to surgical hemostasis?

Accepted Answer

Minimizing tissue trauma

Answer

Maintaining adequate blood pressure

Answer

Combining hemostasis techniques

Answer

Avoiding unnecessary coagulation

Question 11

Which of the following is NOT a cause of bleeding during surgery?

Accepted Answer

Systemic hypertension

Answer

Injury to blood vessels

Answer

Improper hemostasis technique

Answer

Coagulopathy

Question 12

In surgery, what is the primary goal of hemostasis?

Accepted Answer

Preventing excessive bleeding

Answer

Promoting wound healing

Answer

Minimizing tissue damage

Answer

Enhancing surgical visibility

Question 13

Which hemostasis method is classified as mechanical?

Accepted Answer

Pressure

Answer

Thrombin

Answer

Electrocautery

Answer

Fibrin glue

Question 14

Which cautery method uses high-frequency electricity to create heat for precise tissue coagulation during surgery?

Accepted Answer

Electrocautery

Answer

Laser cautery

Answer

Cryocautery

Answer

Radiofrequency ablation

Question 15

Which type of cautery uses high-frequency electrical current to generate heat and coagulate tissue?

Accepted Answer

Electrocautery

Answer

Ligature

Answer

Suture

Answer

Plasma cautery

Question 16

Suturing a blood vessel to obliterate its lumen is referred to as:

Accepted Answer

Ligation

Answer

End-to-end anastomosis

Answer

Tissue approximation

Answer

Hemostat application

Question 17

Which suture pattern creates an airtight seal, preventing leakage?

Accepted Answer

Continuous locked

Answer

Simple interrupted

Answer

Running

Answer

褥瘡

Question 18

What is the main advantage of plasma cautery over electrocautery?

Accepted Answer

Reduced tissue damage

Answer

Improved hemostasis

Answer

Faster healing

Answer

Lower risk of infection

Question 19

Which type of suture is commonly used for approximating skin edges?

Accepted Answer

Silk

Answer

Nylon

Answer

Polypropylene

Answer

Vicryl

Question 20

What is the primary function of a hemostat?

Accepted Answer

To clamp blood vessels

Answer

To cut tissue

Answer

To suture wounds

Answer

To cauterize tissue

Question 21

Which of the following is NOT a method of surgical hemostasis?

Accepted Answer

Pharmacological agents

Answer

Ligation

Answer

Topical hemostatic agents

Answer

Cautery

Question 22

The purpose of a running suture is to:

Accepted Answer

Bring edges together and distribute tension evenly

Answer

Ligate vessels

Answer

Close deep wounds

Answer

Secure tissue flaps

Question 23

Which of the following is NOT a factor to consider when selecting a suture for a particular surgical procedure?

Accepted Answer

Patient's age

Answer

Patient's medical history

Answer

Wound type

Answer

Tissue thickness

Question 24

The goal of applying a tourniquet during surgery is to:

Accepted Answer

Temporarily stop blood flow to a specific region

Answer

Prevent infection

Answer

Control pain

Answer

Promote wound healing

Question 25

When performing a vascular ligation, which type of knot is recommended to minimize slippage and ensure secure hemostasis?

Accepted Answer

Surgeon's knot (square knot tied twice)

Answer

Granny knot

Answer

Square knot (tied once)

Answer

Bow knot

Question 26

Which suture material is absorbable, monofilament, and non-braided, making it suitable for use in delicate tissues and areas with minimal tension?

Accepted Answer

Polydioxanone (PDS)

Answer

Nylon

Answer

Silk

Answer

Gore-Tex

Question 27

In the management of intraoperative splenic bleeding, which suture technique is commonly employed to achieve effective hemostasis by distributing tension evenly across the splenic capsule?

Accepted Answer

Running mattress suture

Answer

Stay suture

Answer

Lembert suture

Answer

Simple interrupted suture

Question 28

Which of the following is a potential complication associated with the use of bipolar cautery, where electrical current is concentrated between two closely spaced electrodes?

Accepted Answer

Thermal injury to adjacent structures due to heat spread

Answer

Wound dehiscence

Answer

Hemorrhage

Answer

Infection

Question 29

The Harmonic Scalpel utilizes which energy source to achieve precise tissue dissection and hemostasis?

Accepted Answer

Ultrasonic energy

Answer

Radiofrequency energy

Answer

Electrosurgical energy

Answer

Laser energy

Question 30

When selecting suture material for a surgical procedure, which factors should be taken into consideration to ensure optimal wound healing and tissue integrity?

Accepted Answer

Tissue type, wound tension, and surgical site

Answer

Patient's age

Answer

Cost of the suture

Answer

Surgeon's preference

Question 31

What is the primary purpose of using a stay suture in surgical procedures?

Accepted Answer

To provide additional support and reinforcement to a suture line, reducing tension and preventing suture pull-through

Answer

To control bleeding from small vessels

Answer

To approximate tissues and bring wound edges together

Answer

To close dead space and prevent fluid accumulation

Question 32

Which of the following benefits is associated with the use of a fibrin sealant in surgical hemostasis?

Accepted Answer

Enhancement of clot formation and promotion of rapid wound healing

Answer

Improvement of wound appearance

Answer

Reduction of infection risk

Answer

Prevention of scarring

Question 33

When performing an end-to-end anastomosis, which suture pattern is recommended to provide the most effective seal and prevent leakage at the suture line?

Accepted Answer

Continuous inverting suture

Answer

Running mattress suture

Answer

Interrupted everting suture

Answer

Simple interrupted suture

Question 34

What is the primary mechanism by which electrocautery effectively controls bleeding?

Accepted Answer

Desiccation and coagulation

Answer

Platelet aggregation

Answer

Vascular constriction

Answer

Mechanical compression

Question 35

What is the primary purpose of a hemostatic clip?

Accepted Answer

To provide temporary occlusion of blood vessels

Answer

To suture tissue layers together

Answer

To control bleeding from large vessels

Answer

To cauterize bleeding points

Question 36

Which of the following factors does NOT influence the choice of an appropriate hemostasis technique?

Accepted Answer

Patient's age

Answer

Type of tissue involved

Answer

Location and size of bleeding vessel

Answer

Surgeon's experience and preference

Question 37

What is the key advantage of using a running suture over an interrupted suture?

Accepted Answer

Quicker and more efficient to perform

Answer

Less tissue damage

Answer

Easier to remove

Answer

Stronger hold

Question 38

Which of the following is a potential benefit of using a laser for surgical hemostasis?

Accepted Answer

Precise tissue ablation and reduced bleeding

Answer

Lower cost

Answer

Minimal smoke production

Answer

Ease of use

Question 39

What is the primary purpose of using a topical hemostatic agent?

Accepted Answer

To promote clot formation and enhance hemostasis

Answer

To seal tissue defects

Answer

To vasoconstrict blood vessels

Question 40

Electrocautery involves the use of high-frequency electrical current to achieve surgical hemostasis. Which of the following describes its primary mechanism of action?

Accepted Answer

Coagulation of blood vessels

Answer

Desiccation of wounds

Answer

Dissection of anatomical planes

Answer

Cutting of tissue

Question 41

Fibrin sealants are often used to enhance hemostasis in surgery. However, which of the following is NOT a potential benefit of their use?

Accepted Answer

Increased risk of infection

Answer

Adhesion prevention

Answer

Improved hemostasis

Answer

Faster wound healing

Question 42

A patient is experiencing persistent bleeding from a small artery during surgery. Which of the following measures should the surgeon prioritize as the initial step in controlling the bleeding?

Accepted Answer

Apply direct pressure

Answer

Use topical hemostatic agents

Answer

Attempt ligation

Answer

Apply electrocautery

Question 43

A patient with a known history of bleeding disorders is scheduled for surgery. Which preoperative measure is crucial to minimize bleeding risks during the procedure?

Accepted Answer

Correcting coagulation defects

Answer

Administering antibiotics

Answer

Monitoring vital signs closely

Answer

Withholding antiplatelet medications

Question 44

Which suture material is known for its high tensile strength, low tissue reactivity, and resistance to degradation over time?

Accepted Answer

Polypropylene

Answer

Silk

Answer

Catgut

Answer

Nylon

Question 45

A patient undergoing a colectomy develops significant bleeding from the mesenteric artery. Which of the following is the MOST appropriate initial step in managing this situation?

Accepted Answer

Apply direct pressure to the bleeding site and temporarily clamp the mesenteric artery.

Answer

Administer high-dose intravenous tranexamic acid.

Answer

Immediately perform surgical exploration to identify and ligate the bleeding vessel.

Question 46

Which of the following statements accurately describes the mechanism of action of electrocautery?

Accepted Answer

It generates heat through high-frequency electrical current, leading to tissue coagulation and hemostasis.

Answer

Electrocautery directly stimulates vasoconstriction, reducing blood flow.

Answer

It creates a chemical reaction that seals blood vessels.

Question 47

During a splenectomy, which suture technique is generally considered the most appropriate for ligating the splenic vessels?

Accepted Answer

Transfixion suture using a non-absorbable suture material.

Answer

Continuous suture with a non-absorbable suture material.

Answer

Simple interrupted suture with an absorbable suture material.

Question 48

A patient with a history of bleeding disorders is undergoing surgery. Which medication would be MOST likely used to help control bleeding in this patient?

Accepted Answer

Desmopressin

Answer

Warfarin

Answer

Aspirin

Answer

Heparin

Question 49

Which of the following statements BEST describes the principle underlying hemostasis?

Accepted Answer

The process of stopping bleeding by forming a clot to seal the damaged blood vessel.

Answer

The use of surgical techniques to directly suture a bleeding vessel.

Answer

The ability to prevent blood loss by applying pressure to a wound.

Question 50

A patient with a history of liver cirrhosis is undergoing abdominal surgery. Which of the following factors would MOST likely increase the risk of postoperative bleeding in this patient?

Accepted Answer

Impaired synthesis of clotting factors due to liver dysfunction.

Answer

Enhanced vascular tone due to increased sympathetic activity.

Answer

Increased platelet count due to compensatory mechanisms.

Answer

Decreased risk of infection due to impaired immune function.

Question 51

During a bowel anastomosis, a surgeon is using a surgical stapler. Which of the following is a potential advantage of using a stapler compared to traditional suture techniques?

Accepted Answer

Reduced operative time and improved hemostasis.

Answer

Increased risk of infection due to foreign body implantation.

Answer

Higher cost compared to sutures.

Question 52

A patient presents with a large, actively bleeding wound. Which of the following is the MOST important initial step in controlling the bleeding?

Accepted Answer

Applying direct pressure to the wound.

Answer

Administering intravenous fluids to restore blood volume.

Answer

Elevating the injured limb.

Answer

Applying a tourniquet to the proximal limb.