Fill in the missing vein.External jugular vein; ________; superior vena cava
Fill in the blank(s) with the appropriate word(s).
brachiocephalic vein
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Answer the following statements true (T) or false (F)
1. Polycythemia can result from too little hemoglobin even if there is an adequate number of red blood cells. 2. Normally, about 55% of the blood volume is red blood cells. 3. If a test tube of blood is “spun down” in a centrifuge, the white blood cells and platelets form a layer called the buffy coat. 4. A person with polycythemia would have a red blood cell volume less than 45%. 5. A person with anemia might have a red blood cell volume as high as 65%.
When calculating rehydration fluid values, the percent dehydration should be in decimal form
a. true b. false
What makes RNA a unique nucleic acid?
A) RNA is composed of two strands held together by hydrogen bonds. B) RNA contains a nitrogenous base known as uracil. C) RNA is built from building blocks known as a nucleotide. D) RNA contains a sugar known as deoxyribose.
The respiratory centers of the brainstem lie within the:
A) basal ganglia. B) pons and medulla. C) diencephalon. D) midbrain.