The ventricular walls are ________ than the walls of the atria because they must create the ________ necessary to move blood.
A. lighter; systole
B. heavier; diastole
C. thinner; lower pressures
D. thicker; higher pressures
Answer: D
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The figure illustrates the sacrum. What structure does "C" represent?
A. Coccyx B. Posterior sacral foramina C. Median sacral crest D. Superior articular facet E. Sacral hiatus
. Which sympathetic pathway involves a preganglionic neuron that synapses with a ganglionic neuron in a sympathetic trunk ganglion, but the postganglionic axon does not leave the trunk via a gray ramus?
A. Splanchnic nerve pathway B. Adrenal medulla pathway C. Postganglionic sympathetic nerve pathway D. Spinal nerve pathway E. None of the choices is correct.
______ type of rxn is involved in the formation of a polymer?
A. Hydrolysis B. Catabolic C. Exergonic D. Dehydration synthesis
The cubital or elbow joint is an example of a ________ joint.
A. hinge B. saddle C. pivot D. plane E. ball and socket