For a person whose hematocrit is 45%, in which choice below are the components of blood correctly ranked in order of decreasing percent volume?
A. WBCs, plasma, RBCs
B. Plasma, WBCs, RBCs
C. RBCs, WBCs, plasma
D. Plasma, RBCs, WBCs
E. WBCs, RBCs, plasma
Answer: D
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Fill in the blank(s) with the appropriate word(s).
In a muscle fiber undergoing maximal tetanic stimulation, the velocity of shortening ____ as the load ____
a. decreases; decreases b. decreases; increases c. increases; increases d. remains constant; increases e. remains constant; decreases
The atlas is classified as a ________ vertebra.
A) thoracic B) lumbar C) sacral D) cervical E) coccygeal
In which part of a neuron is the postsynaptic membrane usually found?
A. Dendrite B. Axon collateral C. Axon terminal D. Perikaryon E. Axon