Cardiovascular System Career Specialties — Unit test
Question 8 • 26-27 Ignite Health Science Concepts - EL3602
The table lists general categories of blood disorders. Some information is missing, as shown by the letters X, Y, and Z.Categories of Blood DisordersType of disorderPrimary impact on the bodyReduced platelet countsXYDeprives cells of oxygenReduced WBC countsZWhich list correctly completes the table in the order X, Y, Z?
Answer
A
RBC malfunction, internal or external bleeding, reduced ability to fight infection
B
reduced ability to fight infection, RBC malfunction, internal or external bleeding
C
internal or external bleeding, RBC malfunction, reduced ability to fight infection
D
internal or external bleeding, reduced ability to fight infection, RBC malfunction
Explanation
Platelets help blood clot, so reduced platelet counts can cause internal or external bleeding; therefore X is “internal or external bleeding.” Red blood cells carry oxygen, so RBC malfunction can deprive cells of oxygen, making Y “RBC malfunction.” White blood cells help fight infection, so reduced WBC counts reduce the body’s ability to fight infection. The correct list is choice C.
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