The racial/ethnic group with the lowest ratio of men to women in American society today is:
A. white, non-Hispanic.
B. African American.
C. Latino.
D. Asian American.
B. African American.
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Transepithelial transport occurs only for substances that are actively reabsorbed
Indicate whether the statement is true or false
Triglycerides are composed of
A. nucleotides. B. amino acids. C. monosaccharides. D. glycerol and fatty acids. E. None of the choices are correct.
If the arterial blood pressure in the brain is suddenly decreased, the flow through arterioles in the brain will immediately fall and then which of these will occur next?
A. Brain arterioles will constrict to accelerate blood flow through the brain capillaries. B. Brain arterioles will dilate due to a decrease in levels of CO2. C. Blood flow will remain at the new, lower level due to reactive hyperemia. D. Blood flow will rise to levels above normal due to excess O2 levels. E. Blood flow will return toward its original level due to flow autoregulation.
Orgasm is initiated by action potentials from the ________ part of the nervous system.
A. autonomic B. somatic C. parasympathetic D. sympathetic