The joint between the occipital bone of the skull and the first cervical vertebra (atlas) is which part of which class of lever system?
A) first-class lever; load
B) second-class lever; applied force
C) third-class lever; load
D) first-class lever; fulcrum
E) third-class lever; fulcrum
Answer: D
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A. Cervical enlargement B. Brachial plexus C. Cervical plexus D. Sacral plexus E. Lumbosacral enlargement
As a venous pathway moves closer to the heart, the veins
A. get larger. B. get smaller. C. show no change in their lumen size.
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Answer the following statement true (T) or false (F)
Which of the following would increase the rate of glomerular filtration?
A. Decreased blood pressure B. A dilated efferent arteriole C. A constricted afferent arteriole D. Increased blood pressure