Deck 9: Medications That Affect Coagulation

Question 1

Calcium and vitamin K play vital roles in the process of clot formation.

A)True
B)False

Answer 1

True

Question 2

Which one of the following is a microfibrillar collagen?

A)Oxycel
B)Surgicel
C)Avitene
D)NuKnit

Answer 2

Avitene

Question 3

Drugs that promote clot formation are termed

A)coagulants.
B)anticoagulants.
C)hemostatics.
D)fibrinolytics.

Answer 3

coagulants.

Question 4

A medical plan of treatment for thrombosis usually indicates that a clot has formed in a(n)

A)vein.
B)artery.

Question 5

During the second stage of blood clot formation,__________ is formed.

A)thromboplastin
B)prothrombin
C)thrombin
D)fibrinogen

Question 6

Agents that inhibit the process of blood clot formation are called

A)coagulants.
B)anticoagulants.
C)hemostatics.
D)thrombolytics.

Question 7

Microfibrillar collagen hemostat is derived from

A)bovine corium collagen.
B)purified pork skin.
C)purified beeswax.
D)an astringent plant.

Question 8

Which one of the following hemostatic agents may be used dry or moist and is available in film,powder,and sponge forms?

A)Chemical hemostatics
B)Oxidized cellulose
C)Avitene microfibrillar collagen hemostat (MCH)
D)Absorbable gelatin

Question 9

Which one of the following hemostatic agents promotes platelet aggregation leading to clot formation?

A)Surgicel
B)Avitene
C)Thrombin
D)NuKnit

Question 10

During the third stage of blood clot formation,__________ is formed.

A)thromboplastin
B)prothrombin
C)thrombin
D)fibrin

Question 11

During the first stage of blood clot formation,__________ is formed.

A)thromboplastin
B)prothrombin
C)thrombin
D)fibrin

Question 12

If a blood clot is formed in an artery,which course of treatment is most likely?

A)Medical
B)Surgical

Question 13

Which is not a topical hemostatic?

A)Bone wax
B)Tannic acid
C)Silver nitrate
D)Calcium salts

Question 14

Which one of the following hemostatic agents causes adhesion formation if it comes in contact with nonbleeding tissues?

A)Surgicel
B)Avitene
C)Gelfoam
D)NuKnit

Question 15

Agents that dissolve already formed clots are called

A)coagulants.
B)anticoagulants.
C)hemostatics.
D)thrombolytics.

Question 16

Which one of the following is a natural clot-dissolving enzyme in the blood?

A)Fibrin
B)Fibrinogen
C)Fibrinolysin
D)Fibrin stabilizing factor

Question 17

Which one of the following is a form of oxidized regenerated cellulose?

A)Avitene microfibrillar collagen hemostat (MCH)
B)Surgifoam
C)Surgicel Fibrillar
D)Thrombi-Gel

Question 18

Which of the following is not a form of absorbable gelatin?

A)Gelfilm
B)Gelfoam powder
C)Gelfoam sponge
D)Thrombogen

Question 19

Which of the following is not a form of absorbable collagen sponge?

A)Helistat
B)Instat
C)Hemopad
D)Avitene

Question 20

The formation or presence of a blood clot within the vascular system is termed

A)hemostasis.
B)thrombosis.
C)coagulation.
D)aggregation.

Question 21

Which one of the following causes a chemical burn to stop capillary bleeding?

A)Silver nitrate
B)Konakion
C)Helistat
D)Heparin

Question 22

Which one of the following is not a function of heparin?

A)Inhibition of factor X
B)Breakdown of fibrin
C)Interfering with prothrombin-to-thrombin conversion
D)Interference with platelet aggregation

Question 23

What is the generic name for Coumadin?

A)Warfarin sodium
B)Vitamin K
C)Anistreplase
D)Urokinase

Question 24

Which one of the following parenteral anticoagulants is used most often?

A)Protamine sulfate
B)Calcium chloride
C)Enoxaparin sodium
D)Heparin sodium

Question 25

Which form of anticoagulant is used for long-term management of deep vein thrombosis (DVT)?

A)Parenteral
B)Oral
C)Thrombolytics
D)Factor XIII

Question 26

What is the duration of heparin (in hours)?

A)1 to 2
B)2 to 4
C)6 to 12
D)12 to 24

Question 27

What is the onset of Coumadin?

A)2 or more days
B)8 to 12 days
C)16 to 24 hours
D)12 to 72 hours

Question 28

Which one of the following is used to correct deficiencies in the natural clotting mechanism and may be administered preoperatively or intraoperatively?

A)Systemic coagulants
B)Chemical hemostatics
C)Thrombin
D)Collagen hemostatics

Question 29

Which one of the following is not a systemic coagulant?

A)Vitamin K
B)Protamine sulfate
C)Calcium salts
D)Hemofil-M

Question 30

What is the onset of heparin (in minutes)?

A)5
B)10
C)15
D)20

Question 31

Anticoagulants are used for any of the following reasons except

A)to prevent pulmonary embolism.
B)to prevent venous thrombosis.
C)to dissolve blood clots causing a myocardial infarction.
D)postoperative prophylactic therapy for patients with a history of arterial stasis.

Question 32

Which systemic coagulant is contraindicated in patients with a history of malignant hyperthermia?

A)Calcium salts
B)Vitamin K
C)Hemofil-M
D)Factor VIII

Question 33

Heparin is measured in

A)milliliters.
B)milligrams.
C)units.
D)drams.

Question 34

Intravenous administration of _________ is associated with anaphylactic reactions and should not be attempted unless no other venue is available.

A)calcium salts
B)vitamin K
C)anti-hemophilic factor (AHF)
D)factor IX

Question 35

Which one of the following drugs is used to reverse the effect of heparin?

A)Enoxaparin sodium
B)Lovenox
C)Calcium chloride
D)Protamine sulfate

Question 36

Which one of the following hemostatic agents should be used immediately after it is reconstituted?

A)Avitene
B)Instat MCH
C)Thrombostat
D)Helistat

Question 37

Which solution may be used as an irrigation solution at the sterile field during an atrioventricular (AV)fistula insertion?

A)100 units heparin in 3000 mL saline
B)1000 units heparin in 100 mL saline
C)5000 units heparin in 1000 mL saline
D)10,000 units heparin in 100 mL saline

Question 38

Which one of the following hemostatic agents creates a mechanical barrier to control bleeding?

A)Tannic acid
B)Silver nitrate
C)Collastat
D)Bone wax

Question 39

What is the duration of Coumadin?

A)8 to 12 days
B)16 to 24 hours
C)2 to 5 days
D)12 to 72 hours

Question 40

Which one of the following is not an oral anticoagulant?

A)Aspirin
B)Coumadin
C)Streptokinase
D)Acetylsalicylic acid

Question 41

Which group of drugs is given intravenously to dissolve existing blood clots?

A)Parenteral anticoagulants
B)Oral anticoagulants
C)Thrombolytics
D)Factor XIII inhibitors

Question 42

All of the following are topical hemostatics except

A)Gelfoam.
B)surgical.
C)bone wax.
D)vitamin K.

Question 43

Hemostatic agents are effective against major arterial or venous bleeding.

A)True
B)False

Question 44

Which one of the following procedures is performed to remove a blood clot?

A)Carotid endarterectomy
B)Arterial embolectomy
C)Venous endarterectomy
D)Open heart surgery

Question 45

A blood clot within an intact blood vessel is called a(n)

A)embolus.
B)thrombus.
C)thrombosis.
D)coagulant.

Question 46

If a venous clot breaks off and travels to the heart,it is called a(n)

A)thrombus.
B)coagulant.
C)embolus.
D)thrombosis.

Question 47

What types of hemostatics are used on areas of capillary bleeding?

A)Subcutaneous
B)Intravenous
C)Intramuscular
D)Topical

Question 48

Which one of the following agents is a chemical hemostatic?

A)Bone wax
B)Silver nitrate
C)Heparin
D)Vitamin K

Question 49

Which one of the following is not a thrombolytic drug?

A)Streptokinase
B)Warfarin
C)Urokinase
D)Alteplase

Question 50

Which naturally occurring mechanism is the most dominant in blood?

A)Coagulants
B)Vitamin K
C)Anticoagulants
D)Calcium

Question 51

Which one of the following agents is a thrombolytic?

A)Vitamin K
B)Heparin
C)Protamine sulfate
D)Streptokinase

Question 52

How long does the intrinsic pathway take to form a clot?

A)Seconds
B)Minutes
C)Hours
D)Days

Question 53

Which one of the following is a systemic anticoagulant?

A)Gelfoam
B)Heparin
C)Vitamin K
D)Avitene

Question 54

Which vitamin serves a vital role in coagulation?

A)K
B)D
C)A
D)C

Question 55

Bone wax is used primarily in which one of the following surgical specialties?

A)General surgery
B)Gynecology
C)Neurosurgery
D)Otorhinolaryngology

Question 56

A "net" that traps blood cells to form a clot is called

A)fibrin.
B)thrombin.
C)platelets.
D)plasma.

Question 57

Avitene must be applied with a __________ instrument.

A)large
B)wet
C)dry
D)warm

Question 58

Thrombolytic medications are used to treat all of the following except

A)deep vein thrombosis (DVT).
B)pulmonary embolism (PE).
C)myocardial infarction.
D)hemorrhage.

Question 59

Vitamin K is available as

A)AquaMEPHYTON.
B)protamine sulfate.
C)heparin sodium.
D)warfarin.

Question 60

Damage to small blood vessels causes a series of reactions that produce a protein called

A)thrombin.
B)thromboplastin.
C)plasma.
D)fibrin.

Question 61

Match the following medications with the correct categories.
Oral anticoagulant

A)Alteplase (Activase)
B)Heparin
C)Monsel solution
D)Oxidized regenerated cellulose (Surgicel)
E)Vitamin K (Konakion)
F)Warfarin (Coumadin)

Question 62

Which is an example of a flowable form of absorbable gelatin?

A)Gelfoam
B)Gelfilm
C)Tisseel
D)Floseal

Question 63

Match the following medications with the correct categories.
Parenteral anticoagulant

A)Alteplase (Activase)
B)Heparin
C)Monsel solution
D)Oxidized regenerated cellulose (Surgicel)
E)Vitamin K (Konakion)
F)Warfarin (Coumadin)

Question 64

Match the following medications with the correct categories.
Systemic coagulant

A)Alteplase (Activase)
B)Heparin
C)Monsel solution
D)Oxidized regenerated cellulose (Surgicel)
E)Vitamin K (Konakion)
F)Warfarin (Coumadin)

Question 65

Match the following medications with the correct categories.
Thrombolytic

A)Alteplase (Activase)
B)Heparin
C)Monsel solution
D)Oxidized regenerated cellulose (Surgicel)
E)Vitamin K (Konakion)
F)Warfarin (Coumadin)

Question 66

Which hemostatic agent was developed to treat severe traumatic bleeding on the battlefield?

A)Gelfoam
B)Bone wax
C)QuikClot
D)Silver nitrate

Question 67

Match the following medications with the correct categories.
Hemostatic

A)Alteplase (Activase)
B)Heparin
C)Monsel solution
D)Oxidized regenerated cellulose (Surgicel)
E)Vitamin K (Konakion)
F)Warfarin (Coumadin)

Question 68

Match the following medications with the correct categories.
Chemical hemostatic

A)Alteplase (Activase)
B)Heparin
C)Monsel solution
D)Oxidized regenerated cellulose (Surgicel)
E)Vitamin K (Konakion)
F)Warfarin (Coumadin)

Question 69

A tiny piece of gelfoam used during a tympanoplasty procedure is called a

A)pledget.
B)platelet.
C)gelfilm.
D)floseal.

Question 70

Which hemostatic agent can be used in the presence of a gram-positive microorganism?

A)Surgicel
B)Gelfoam
C)Avitene
D)Bone wax