Define cribbing
What will be an ideal response?
Wood-chewing.
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Which is not true about synovial joints?
A. Ligaments strengthen and reinforce joints. B. Synovial fluid is secreted by the synovial membrane. C. All articulating bone surfaces are covered with articular cartilage. D. Synovial joints are enclosed by fibrous articular capsules. E. Blood circulates within the joint cavity to nourish the articular cartilage.
The figure illustrates the sacrum. What structure does "E" represent?
A. Posterior sacral foramina B. Coccyx C. Superior articular facet D. Sacral hiatus E. Median sacral crest
If the alveolar PO2 is 100 mm Hg, the blood leaving the pulmonary capillaries in a normal person will have a PO2 of
a. 40 mm Hg. b. 46 mm Hg. c. 100 mm Hg. d. 760 mm Hg. e. none of these answers.
In intestinal epithelial cells, Na+ is in higher concentrations outside of the cells. This gradient provides the energy for the symport of glucose into the cells. Which of the following explain how this transport mechanism works. (Check all that apply.)
A. Carrier mediated transport of glucose into the cells B. Active transport of sodium out of the cell C. Active transport of sodium into the cell D. Active transport of potassium out of the cell E. Carrier mediated transport of sodium into the cell