Acidosis occurs when the:
a. blood concentration of hydrogen ions drop
b. blood pH drops
c. concentration of the hydroxide ion increases
d. pH of the blood rises
b. blood pH drops
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The type of muscle whose functional characteristics most closely resemble those of its muscle fibers is the ________ muscle
A) pennate B) circular C) parallel D) convergent E) divergent
When the diaphragm contracts
a. the volume of the thoracic cavity increases. b. lung volume increases as the lungs are forced to expand. c. the intra-alveolar pressure increases. d. both (a) and (b) above. e. all of these answers.
How is a cancerous tumor different from a benign tumor?
What will be an ideal response?
A red blood cell has a diameter of about 8?m. Use that information to estimate the diameter of the oocyte in micrometers (?m) and millimeters (mm). (1 mm = 1000 ?m)
A) An oocyte has a diameter about 2 times greater than the red blood cell. B) An oocyte has a diameter about 4 times greater than the red blood cell. C) An oocyte has a diameter about 7 times greater than the red blood cell. D) An oocyte has a diameter about 11 times greater than the red blood cell. E) An oocyte has a diameter about 15 times greater than the red blood cell.