Cardiopulmonary Bypass Tubing Quiz

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Which material is the predominant tubing material used today in cardiopulmonary bypass?

Silicone rubber

Phosphates

Polyvinylchloride (PVC) (correct)

Latex rubber

What are the bonds that make up PVC?

Polar carbon-nitrogen (C-N) bonds

Polar carbon-chloride (C-Cl) bonds (correct)

Polar carbon-hydrogen (C-H) bonds

Polar carbon-oxygen (C-O) bonds

What is the purpose of plasticizers in PVC tubing?

To make it brittle

To make it flame retardant

To make it rigid

To make it malleable and easier to manipulate (correct)

Which type of plasticizer is commonly used for flexibility in plastics?

Phthalates Signup and view all the answers

What is the purpose of dicarbonates in shaping PVC?

To shape PVC at lower temperatures Signup and view all the answers

What is the purpose of phosphates in plasticizers?

To make it flame retardant Signup and view all the answers

What is the purpose of fatty acid esters in plasticizers?

To improve flexibility Signup and view all the answers

How many tons of plasticizers are used each year?

8 million tons Signup and view all the answers

What would happen to PVC without plasticizers?

It would remain in its hard, rigid form Signup and view all the answers

What are some examples of products made from PVC?

All of the above Signup and view all the answers

Which material offers excellent cleanliness properties but has lower temperature resistance, chemical resistance, and worse form recovery after being under load?

TPE & TPU Signup and view all the answers

Which material is not rigid enough for some industrial applications and absorbs surrounding moisture?

TPE & TPU Signup and view all the answers

Which material is highly flexible and has a low shrink temperature and excellent abrasion resistance?

Polyolefin Signup and view all the answers

Which method for the manufacture of plastic tubing is a continuous feed process used to produce a tubing profile?

Pultrusion Signup and view all the answers

What does the pressure rating of medical tubing define?

The minimum or maximum pressures the tube is designed to withstand Signup and view all the answers

What does the minimum bend radius of medical tubing indicate?

The acceptable amount of deformation the tubing cross-section can undergo Signup and view all the answers

Which connector material is most widely used in medical tubing?

Polycarbonate Signup and view all the answers

What is the term used to refer to connectors in medical tubing?

Fitting Signup and view all the answers

How are connections in medical tubing that are 'bonded' typically made?

By heating the tubing and placing it on the specified connection site Signup and view all the answers

Which method of sterilization uses ethylene oxide gas?

ETO Sterilization Signup and view all the answers

Which organization has determined that nearly all plasticizers are safe?

The Registration for Evaluation, Authorization, and Restriction of Chemicals Signup and view all the answers

What is the molecular structure of silicone rubber?

Silicone and oxygen atoms Signup and view all the answers

Which type of tubing is sometimes used in the arterial pump roller head as an alternative to PVC tubing?

Silicone rubber tubing Signup and view all the answers

What is the term for the release of plastic micro particles from tubing due to repeated compression?

Spallation Signup and view all the answers

What are some sequelae of the inflammatory response to foreign surfaces during CPB?

All of the above Signup and view all the answers

Which type of circuit coating uses both hydrophobic and hydrophilic properties to reduce protein denaturation and platelet adhesion?

Poly(2-methoxyethylacrylate) (PMEA) coating Signup and view all the answers

What is the most commonly used wall thickness in perfusion?

1/16'' Signup and view all the answers

What are the advantages of using larger bore tubing in perfusion?

All of the above Signup and view all the answers

What factors should be considered when deciding upon the size of arterial and venous tubing?

Both A and B Signup and view all the answers

What does the term 'Medical Tubing' typically refer to?

Tubing that meets certain standards or certifications Signup and view all the answers

Which type of plasticizer is commonly used for flexibility in plastics?

Phthalates Signup and view all the answers

What is the purpose of phosphates in plasticizers?

To make the material flame retardant Signup and view all the answers

What is the purpose of fatty acid esters in plasticizers?

To improve flexibility Signup and view all the answers

What are some examples of products made from PVC?

All of the above Signup and view all the answers

What would happen to PVC without plasticizers?

It would become brittle Signup and view all the answers

What is the purpose of dicarbonates in shaping PVC?

To shape PVC at lower temperatures Signup and view all the answers

What are the bonds that make up PVC?

Carbon-chloride (C-Cl) bonds Signup and view all the answers

How many tons of plasticizers are used each year?

Over 8 million tons Signup and view all the answers

What is the purpose of plasticizers in PVC tubing?

To improve flexibility Signup and view all the answers

What does the minimum bend radius of medical tubing indicate?

The minimum diameter the tubing can bend without kinking Signup and view all the answers

Which organization is known to be the most comprehensive and strict safety regulating organization in the world?

REACH Signup and view all the answers

Which type of rubber has a molecular structure consisting of a chain of silicone and oxygen atoms rather than carbon and hydrogen atoms?

Silicone rubber Signup and view all the answers

Which type of tubing produces less hemolysis than PVC when occluded, but can release more particles?

Silicone tubing Signup and view all the answers

Which type of tubing is sometimes used in the arterial pump roller head as an alternative to commonly used PVC tubing?

Silicone tubing Signup and view all the answers

What is the term used to describe the release of plastic micro particles from tubing due to repeated compression?

Spallation Signup and view all the answers

What are some sequelae of the inflammatory response to foreign surfaces during CPB?

All of the above Signup and view all the answers

Which type of circuit coating uses a non-heparin-based biopassive polymer to reduce protein denaturation and platelet adhesion?

PMEA coating Signup and view all the answers

Which type of tubing is made from phosphorylcholine to reduce platelet activation and cell adhesion to the tubing surface?

Phosphorylcholine tubing Signup and view all the answers

What is the most commonly used wall thickness in perfusion?

1/16'' Signup and view all the answers

What does the internal diameter of tubing affect?

All of the above Signup and view all the answers

Which material is commonly used for the manufacture of venous hardshell reservoirs?

PVC Signup and view all the answers

What is the main disadvantage of using Thermoplastic Polyurethane (TPU) for some industrial applications?

Rigidity Signup and view all the answers

Which material is highly flexible and has a low shrink temperature and excellent abrasion resistance?

Polyolefin Signup and view all the answers

What is the purpose of tie-banding in tubing connections?

To increase strength and security Signup and view all the answers

What are the four essential parameters that influence the effectiveness of Ethylene Oxide (ETO) sterilization?

Gas concentration, temperature, relative humidity, and exposure time Signup and view all the answers

Which stage of the Ethylene Oxide (ETO) sterilization cycle involves the introduction of the gas?

Gas introduction Signup and view all the answers

What is the classification of ethylene oxide in terms of its effects on germ cells, carcinogenicity, and reproductive toxicity?

Germ cell mutagen, carcinogen, reproductive toxin Signup and view all the answers

What is the purpose of polycarbonate connectors in medical tubing?

To increase strength and security Signup and view all the answers

Which method for the manufacture of plastic tubing is a continuous feed process used to produce a tubing profile?

Pultrusion Signup and view all the answers

What does the minimum bend radius of medical tubing indicate?

The acceptable amount of deformation the tubing cross-section can undergo Signup and view all the answers

Cardiopulmonary Bypass Tubing Quiz

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Questions and Answers

Which material is the predominant tubing material used today in cardiopulmonary bypass?

What are the bonds that make up PVC?

What is the purpose of plasticizers in PVC tubing?

Which type of plasticizer is commonly used for flexibility in plastics?

What is the purpose of dicarbonates in shaping PVC?

What is the purpose of phosphates in plasticizers?

What is the purpose of fatty acid esters in plasticizers?

How many tons of plasticizers are used each year?

What would happen to PVC without plasticizers?

What are some examples of products made from PVC?

Which material offers excellent cleanliness properties but has lower temperature resistance, chemical resistance, and worse form recovery after being under load?

Which material is not rigid enough for some industrial applications and absorbs surrounding moisture?

Which material is highly flexible and has a low shrink temperature and excellent abrasion resistance?

Which method for the manufacture of plastic tubing is a continuous feed process used to produce a tubing profile?

What does the pressure rating of medical tubing define?

What does the minimum bend radius of medical tubing indicate?

Which connector material is most widely used in medical tubing?

What is the term used to refer to connectors in medical tubing?

How are connections in medical tubing that are 'bonded' typically made?

Which method of sterilization uses ethylene oxide gas?

Which organization has determined that nearly all plasticizers are safe?

What is the molecular structure of silicone rubber?

Which type of tubing is sometimes used in the arterial pump roller head as an alternative to PVC tubing?

What is the term for the release of plastic micro particles from tubing due to repeated compression?

What are some sequelae of the inflammatory response to foreign surfaces during CPB?

Which type of circuit coating uses both hydrophobic and hydrophilic properties to reduce protein denaturation and platelet adhesion?

What is the most commonly used wall thickness in perfusion?

What are the advantages of using larger bore tubing in perfusion?

What factors should be considered when deciding upon the size of arterial and venous tubing?

What does the term 'Medical Tubing' typically refer to?

Which type of plasticizer is commonly used for flexibility in plastics?

What is the purpose of phosphates in plasticizers?

What is the purpose of fatty acid esters in plasticizers?

What are some examples of products made from PVC?

What would happen to PVC without plasticizers?

What is the purpose of dicarbonates in shaping PVC?

What are the bonds that make up PVC?

How many tons of plasticizers are used each year?

What is the purpose of plasticizers in PVC tubing?

What does the minimum bend radius of medical tubing indicate?

Which organization is known to be the most comprehensive and strict safety regulating organization in the world?

Which type of rubber has a molecular structure consisting of a chain of silicone and oxygen atoms rather than carbon and hydrogen atoms?

Which type of tubing produces less hemolysis than PVC when occluded, but can release more particles?

Which type of tubing is sometimes used in the arterial pump roller head as an alternative to commonly used PVC tubing?

What is the term used to describe the release of plastic micro particles from tubing due to repeated compression?

What are some sequelae of the inflammatory response to foreign surfaces during CPB?

Which type of circuit coating uses a non-heparin-based biopassive polymer to reduce protein denaturation and platelet adhesion?

Which type of tubing is made from phosphorylcholine to reduce platelet activation and cell adhesion to the tubing surface?

What is the most commonly used wall thickness in perfusion?

What does the internal diameter of tubing affect?

Which material is commonly used for the manufacture of venous hardshell reservoirs?

What is the main disadvantage of using Thermoplastic Polyurethane (TPU) for some industrial applications?

Which material is highly flexible and has a low shrink temperature and excellent abrasion resistance?

What is the purpose of tie-banding in tubing connections?

What are the four essential parameters that influence the effectiveness of Ethylene Oxide (ETO) sterilization?

Which stage of the Ethylene Oxide (ETO) sterilization cycle involves the introduction of the gas?

What is the classification of ethylene oxide in terms of its effects on germ cells, carcinogenicity, and reproductive toxicity?

What is the purpose of polycarbonate connectors in medical tubing?

Which method for the manufacture of plastic tubing is a continuous feed process used to produce a tubing profile?

What does the minimum bend radius of medical tubing indicate?

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