In the plasma, the quantity of oxygen in solution is ________
A) only about 1.5% of the oxygen carried in blood
B) not present except where it is combined with carrier molecules
C) about equal to the oxygen combined with hemoglobin
D) greater than the oxygen combined with hemoglobin
A
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One of the functions of skeletal muscle contraction is production of heat
Indicate whether the statement is true or false
Normal pH for blood is 7.35 to 7.45. Maintenance of the pH in this range is
A. critical because enzymes work best within narrow ranges of pH. B. not critical because extreme pH values do not affect enzyme function. C. called denaturation. D. not required. E. None of these choices is correct.
This bacteria releases a toxin that keeps muscles constantly contracted and causes tetanus
A) E. Coli B) Meningitis C) Staphylococcus aureus D) Clostridium tetani
The endoscopy procedure is used to take __________________ or ____________________ samples
Fill in the blank(s) with correct word