Which of the following would affect the production of a thermionic cloud?
a. filament diameter
b. filament length
c. filament temperature
d. all of the above
d. all of the above
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Which of the following statements concerning the cardiovascular system is true?
a. It consists of four major components: the heart, the lungs, the blood vessels, and blood. b. The heart is a muscular organ located behind and to the right of the sternum. c. An electrical impulse that starts in the right atrium stimulates contraction of the heart muscle. d. The subclavian arteries supply blood to the pelvis and legs.
What bone marrow cells can differentiate into all of the blood cells?
a. Burst-forming unit–erythroid (BFU-E) b. Colony-forming unit–granulocyte-monocyte (CFU-GM) c. Colony-forming unit–granulocyte, erythrocyte, monocyte, and megakaryocyte (CFU-GEMM) d. Hematopoietic stem cells (HSCs)