The amount of blood in the human body is about ____ liters
a. 2
b. 5
c. 10
d. 12
e. 15
B
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Which of the following is not an example of an important inorganic substance necessary for normal human physiology?
A. Calcium ions are important components of cellular communication. B. The sugar-phosphate backbone of DNA form from covalent bonds between nucleotides. C. Oxygen is the final electron acceptor in cellular respiration, the process that generates much of the ATP in cells. D. Iodide ions are important components of certain hormones in the body.
Inadequate blood flow can cause an ____, an area of damaged cardiac tissue
a. intercostal b. anastomoses c. infarct d. embolus
The digestion of a cell by its own enzymes is called ________.
Fill in the blank(s) with the appropriate word(s).
In a routine examination, some blood is taken and analyzed. The results show a high IgM titer for the mumps virus but a low IgG anti-mumps titer. This would indicate the person
A) has just recovered from mumps. B) was recently infected with mumps. C) is allergic to mumps. D) is immune to mumps. E) is relying on passive immunity.