Motor pathways are ________ tracts that control ________.
A. ascending; affectors
B. descending; affectors
C. ascending; effectors
D. descending; effectors
Answer: D
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If a lever operates at a mechanical disadvantage, it means that the ________
A) effort is farther than the load from the fulcrum B) load is near the fulcrum and the effort is at the distal end C) lever system is useless D) load is far from the fulcrum and the effort is applied near the fulcrum
Through which vessel is the velocity of blood flow the slowest?
a. aorta b. arterioles c. capillaries d. venules e. veins
The cortex of the long bone's diaphysis is made of ________
A) articular cartilage B) spongy bone C) dense regular connective tissue D) marrow E) compact bone
Besides cytotoxic T cells, what are the other types of T cells?
A. Helper T cells. B. Suppressor T cells C. Monocyte T cells D. Natural killer cells E. Plasma cells F. Memory T cells