Define hematocrit
A) Hematocrit is the percentage of whole blood volume contributed by platelets.
B) Hematocrit is the percentage of whole blood volume contributed by white blood cells.
C) Hematocrit is the percentage of whole blood volume contributed by formed elements.
D) Hematocrit is the percentage of whole blood volume contributed by plasma.
E) Hematocrit is the percentage of whole blood volume contributed by water.
Answer: C
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Just by looking at the name, the superior costal facet is probably which of the following?
A. A large projection of bone B. A rough surface C. A small pit D. A smooth articulating surface
Among the stimuli detected by the sensory receptors of the skin is
A. pressure. B. heat. C. vibration. D. cold. E. All of the choices are correct.
Covalent bonds form when
A. atomic nuclei fuse. B. electrons are shared between two atoms. C. neutrons are transferred from one atom to another. D. molecules become ionized. E. protons are lost from atoms.
Match each nitrogenous base with its description.
cytosine - adenine - thymine - guanine pyrimidine that binds with adenine - purine that binds with thymine - pyrimidine that binds with guanine - purine that binds with cytosine