Multiple Choice
Which of the following types of cells initiate a secondary immune response?
41. Immune System
Immune System
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Which choice below describes a function of white blood cells that helps them carry out defensive functions more effectively?
A
Synthesis of hemoglobin
B
Restriction of their movements to regions within the bone marrow or lymph glands
C
Release of clotting factors
D
None of the listed responses is correct.
E
Release of cytokines
Verified step by step guidance1
Understand the role of white blood cells (WBCs) in the immune system. They are crucial for defending the body against infections and foreign invaders.
Recognize that white blood cells do not synthesize hemoglobin. Hemoglobin is a protein found in red blood cells, responsible for oxygen transport.
Consider the movement of white blood cells. They are not restricted to the bone marrow or lymph glands; instead, they circulate throughout the body to reach sites of infection or injury.
Evaluate the release of clotting factors. While clotting factors are important for blood coagulation, they are not primarily released by white blood cells.
Identify the release of cytokines as a key function of white blood cells. Cytokines are signaling molecules that help modulate the immune response, enhancing the ability of WBCs to carry out defensive functions effectively.
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