Multiple Choice
In basic clinical measurements, how much volume does 1 cc (cubic centimeter) of blood represent?
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17. The Blood
Introduction To Blood
Multiple Choice
Which component of blood contains antibodies (immunoglobulins) that help protect the body from pathogens?
A
Plasma
B
Erythrocytes (red blood cells)
C
Platelets (thrombocytes)
D
Neutrophils
Verified step by step guidance1
Step 1: Understand the components of blood. Blood is composed of plasma and formed elements, which include erythrocytes (red blood cells), leukocytes (white blood cells), and platelets (thrombocytes).
Step 2: Identify the function of each component. Erythrocytes primarily transport oxygen, platelets are involved in blood clotting, and neutrophils are a type of white blood cell that helps fight infection by engulfing pathogens.
Step 3: Recognize that antibodies, also known as immunoglobulins, are proteins that specifically bind to antigens on pathogens to neutralize or mark them for destruction.
Step 4: Know that antibodies are found dissolved in the plasma, the liquid portion of blood, which carries these proteins throughout the body to provide immune protection.
Step 5: Conclude that plasma is the component of blood that contains antibodies (immunoglobulins) that help protect the body from pathogens.
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