Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?
A) Serratus anterior
B) Quadratus lumborum
C) Multifidus
D) External intercostals
E) Latissimus dorsi
B
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What is the function of the parietal parts of the membranes lining the body cavities?
A) They supply nutrients to the viscera within the various subdivisions of the cavity. B) They secrete lubrication to allow organs to slide by one another without friction. C) They suspend organs from the mediastinum. D) They maintain organ separation. E) None of the answers are correct.
The special movement of the thumb that allows it to grasp an object and hold onto it is called
A) rotation. B) opposition. C) circumduction. D) eversion. E) retraction.
Match the type of cell with its function.A. First cell to enter infected tissueB. Will become macrophage in tissueC. Lyses tumor and virus-infected cellsD. Cell that increases in number during a parasitic infectionE. Nonmotile cells in connective tissue that promote inflammationNatural killer cell
Fill in the blank(s) with the appropriate word(s).
When water is lost, but electrolytes are retained,
A) the osmolarity of the extracellular fluid falls. B) osmosis moves water from the intracellular fluid to the extracellular fluid. C) both the extracellular fluid and the intracellular fluid become more dilute. D) there is an increase in the volume of the intracellular fluid. E) None of the answers is correct.