Discuss the factors that contribute to the higher stroke volume in endurance-exercise trained individuals
Stroke volume is greater in endurance-trained individuals due to less pericardial restraint of the heart and remodeling of the pericardium—cardiac remodeling leading to an increase in ventricular mass and eventually an increase in ventricular diameter, possible increases in cardiac contractility, vascular remodeling and growth, and blood volume expansion.
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Friendships usually include all of the following characteristics, EXCEPT
A. companionship. B. acceptance. C. reciprocity. D. passion.
Answer the following statements true (T) or false (F)
1. All STIs can be prevented. 2. Some viral STIs are not curable with current therapies. 3. The United States has one of the highest rates of STIs among industrialized nations. 4. Women with STIs face more social and biological ramifications than men with STIs. 5. Destruction of the immune system is signaled by elevated levels of CD4 T cells in the blood.
Ethnic pride is a stronger predictor of psychological well-being among African Americans than it is among European Americans
Indicate whether the statement is true or false
Which of the following statements is true about rape in the U.S.?
a. Our society may breed rapists through socialization of men into socially and sexually dominant roles. b. Men are usually reinforced from an early age for aggressive and competitive behavior. c. Friends may tease a young man about whether he "scored" with his date. d. all of these choices