What is hematology?
A) Hematology is the study of the heart.
B) Hematology is the study of blood vessel structure and function.
C) Hematology is the study of blood, blood-producing organs, and blood disorders.
D) Hematology is the study of the immune system.
E) Hematology is the study of cancers of the blood.
Answer: C
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The structure in the cell that controls most of the activities of the cell is the:
a. cilia b. nucleus c. nucleolus d. ribosomes
The anterior and posterior cruciate ligaments limit which type of knee motion?
A. knee hyperextension B. forward and backward sliding of the femur on the tibia during knee flexion and extension C. lateral knee motion D. both A and B E. all of the above
The kidneys play a major role in the regulation of which of the following? select all that apply.
a) electrolytes b) cholesterol levels c) acid-base balance d) body temperature
Reduced hormone concentration in the blood often causes target cells to
A. down-regulate receptors in order to decrease cell sensitivity. B. up-regulate receptors in order to increase cell sensitivity. C. down-regulate receptors in order to increase cell sensitivity. D. up-regulate receptors in order to decrease cell sensitivity.