Circulatory System

Donors must be within what age range if they are regular donors? What age range if they are first-time donors?

• Regular donors 19-71: First-time donors 19-81
• Regular donors 18-71: First-time donors 18-71
• Regular donors 17-71: First-time donors 17-61
• Regular donors 16-71: First-time donors 16-51

What is the minimum weight allowed for a potential blood donor to be eligible to donate?

• 45 kg
• 50 kg
• 55 kg
• 60 kg

What is the minimum interval permitted between blood donations?

• 45 days
• 54 days
• 56 days
• 65 days

If a person receives a blood transfusion that contains blood with a foreign glycoprotein, that person’s body will produce antibodies that will attach to those foreign antigens. The blood cells will clump in a process called ______ and the transfusion will not be successful.

• Plateletpheresis
• Plasmapheresis
• Leukoreduction
• Agglutination

White blood cells are removed because they often carry viruses and bacteria that could be detrimental to the recovery of the recipient. It is done for all whole blood donations.

• Plateletpheresis
• Plasmapheresis
• Leukoreduction
• Agglutination

Whole blood is processed through an apheresis machine that extracts plasma. The rest of the blood is returned to the donor.

• Plateletpheresis
• Plasmapheresis
• Leukoreduction
• Agglutination

Whole blood is processed through an apheresis machine that extracts platelets. The rest of the blood is returned to the donor.

• Plateletpheresis
• Plasmapheresis
• Leukoreduction
• Agglutination

What are some reasons why someone may need a blood transfusion?

• Cancer patients
• Surgical patients
• Patients who have hemophilia
• All of the above

How much blood does the average adult possess?

• About 4 liters
• About 5 liters
• About 6 liters
• About 7 liters

The blood type which is known as the universal recipient.

• AB-
• AB+
• O-
• O+