Unilateral contraction of which muscle causes ipsilateral flexion of the lumbar vertebral column?
A. Quadratus lumborum
B. Serratus anterior
C. Latissimus dorsi
D. Multifidus
E. External intercostals
Answer: A
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Which of the following structures could be found within the nucleolus?
What will be an ideal response?
The small gap between two successive neurons is called the
A. axon terminal. B. synaptic cleft. C. dendrite terminal. D. neurotransmitter.
Imagine yourself sitting in an awkward position in an uncomfortable chair that is depriving part of your leg from normal blood flow. This deprivation of adequate perfusion will result in what sort of local changes in your leg?
A. Increases in oxygen and potassium will cause vasodilation. B. Decreases in oxygen and potassium will cause vasoconstriction. C. Decreases in carbon dioxide and hydrogen ions will cause vasodilation. D. Buildup of carbon dioxide and hydrogen ions will cause vasoconstriction. E. Buildup of carbon dioxide and hydrogen ions will cause vasodilation.