A hematocrit primarily measures the volume of ________
A) white blood cells
B) red blood cells
C) platelets
D) oxygen
B
Explanation:
A) A hematocrit is not a test that measures the volume of white blood cells.
C) A hematocrit is not a test that measures the volume of blood platelets.
D) A hematocrit is not a test that measures the volume of oxygen.
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The only knee flexor that originates superior to the acetabulum is the
A) biceps femoris. B) gracilis. C) sartorius. D) iliopsoas. E) semimembranosus.
The fan-shaped ________ muscle, which originates along the ventral and superior margins of several ribs, rotates the scapula so that the glenoid cavity moves superiorly.
Fill in the blank(s) with the appropriate word(s).
The depolarization phase of the action potential is due to
A) Na+ ions moving into the cell. B) K+ ions moving into the cell. C) Na+ ions moving out of the cell. D) K+ ions moving out of the cell. E) both A and B.
When a skeletal muscle fiber is at rest, there is more sodium outside the cell as compared to the sarcoplasm.
Answer the following statement true (T) or false (F)