CVP Pharmacology and Blood Management 2

Question 1

What is cell salvage (cell saver) during cardiac surgery?

Accepted Answer

A device that collects, washes, and concentrates shed red blood cells for reinfusion

Answer

A method to freeze blood for future use

Answer

A technique to count blood cells

Answer

A way to test blood compatibility

Question 2

What is the risk of protamine administration?

Accepted Answer

Allergic reactions including anaphylaxis, hypotension, and pulmonary hypertension

Answer

No significant risks

Answer

Only nausea

Answer

Excessive clotting

Question 3

What is the significance of platelet dysfunction after cardiopulmonary bypass?

Accepted Answer

Bypass causes platelet activation and damage leading to impaired function and increased bleeding risk

Answer

Platelets function better after bypass

Answer

Platelet dysfunction only occurs in elderly patients

Answer

It has no clinical significance

Question 4

What is the role of calcium chloride after bypass?

Accepted Answer

To improve cardiac contractility and correct hypocalcemia from citrated blood products

Answer

To prevent infection

Answer

To thin the blood

Answer

To reduce pain

Question 5

What is heparin resistance and how is it managed?

Accepted Answer

A reduced response to heparin requiring higher doses or antithrombin III supplementation

Answer

An allergy to heparin

Answer

Heparin never fails to work

Answer

A condition where heparin works too well

Question 6

What blood products may be needed after cardiac surgery?

Accepted Answer

Packed red blood cells, platelets, fresh frozen plasma, and cryoprecipitate depending on specific deficiencies

Answer

Only whole blood

Answer

No blood products are ever needed

Answer

Only saline solutions