Red Blood Cells Function and Production

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What is the primary function of red blood cells (RBCs)?

To provide the body's blood with its distinctive color

To transport carbon dioxide from the tissues to the lungs

To produce the hormone erythropoietin

To transport oxygen from the lungs to the tissues of the body (correct)

What is the average lifespan of a red blood cell (RBC)?

120 days (correct)

90 days

30 days

60 days

What is the process by which red blood cells (RBCs) transport oxygen and carbon dioxide?

Oxygen and carbon dioxide are exchanged directly through the RBC membrane

Oxygen binds to hemoglobin in the RBC, and carbon dioxide is transported back to the lungs for exhalation (correct)

Oxygen and carbon dioxide are both transported by the RBC through diffusion

Oxygen is transported to the tissues and carbon dioxide is carried back to the lungs by the plasma

What is the purpose of a complete blood cell count (CBC) in relation to red blood cells (RBCs)?

To determine the number of RBCs in the blood and evaluate their capacity to carry oxygen Signup and view all the answers

What is the primary reason for the transfusion of packed red blood cells (PRBCs)?

To restore blood levels without substantially increasing the client's overall blood volume Signup and view all the answers

What is the most common type of acute transfusion reaction?

Acute hemolytic reaction Signup and view all the answers

Which of the following is a potential manifestation of a transfusion reaction?

Nausea and/or vomiting Signup and view all the answers

When can delayed transfusion reactions occur?

Within 2 weeks to several months after the transfusion Signup and view all the answers

Which delayed transfusion reaction is often fatal?

Transfusion-associated graft-versus-host disease (TA-GVHD) Signup and view all the answers

Which of the following is NOT a potential manifestation of a transfusion reaction?

Increased urination Signup and view all the answers

What is the universal donor blood type?

O- Signup and view all the answers

What is the purpose of crossmatching a client's blood with the donor blood?

To check for the presence of minor antigens that may cause a transfusion reaction Signup and view all the answers

How long should a nurse remain with the client during a blood transfusion?

For the first 15 minutes Signup and view all the answers

What should the nurse do if a transfusion reaction is suspected?

Both b and c Signup and view all the answers

What is the maximum time a blood product can be safely transfused?

4 hours Signup and view all the answers

What is the typical increase in hemoglobin level after a transfusion of a unit of packed red blood cells (PRBCs)?

$1 g/dL$ Signup and view all the answers

What is the typical increase in hematocrit level after a transfusion of a unit of packed red blood cells (PRBCs)?

3% Signup and view all the answers

What is the primary purpose of administering granulocyte transfusions?

To treat neutropenia and infection not responding to antibiotics Signup and view all the answers

What is the typical platelet count threshold for administering a platelet transfusion?

20,000/mcL Signup and view all the answers

What is the primary function of plasma in the body?

To maintain acid-base balance Signup and view all the answers