What term describes when participants drop out of a longitudinal study?
a. selective survival
b. attrition
c. cohort effect
d. selective sampling
Answer: B
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Isaiah, an African American child who lives in an inner-city neighborhood, suffers from asthma. Provide three factors that may contribute to Isaiah's asthma.
What will be an ideal response?
Which best describes the relationship between LDLs and HDLs?
a. LDLs break down HDLs b. HDLs break down LDLs c. LDLs transform into HDLs d. HDLs transform into LDLs
Ornish et al . (1998) worked with a control group and an intensive lifestyle change group. The intensive lifestyle change group was given a vegetarian diet, with minimal egg and dairy products, caffeine and alcohol beverages were not allowed, and they also had other lifestyle changes. Compared to the control group, the intensive lifestyle group:
a. did not have any noted improvements in coronary arteriosclerosis because the program only lasted 2 months. b. showed similar physical damage in terms of atherosclerosis and blocked arteries, but felt better and were more motivated to make future changes. c. had better cardiac health one year later and even more improvement five years from the start of the original study. d. had an increase in artery blockages, but showed a reduction of cardiac events.
Pluripotent stem cells can develop and differentiate into any type of cell in the body.
Answer the following statement true (T) or false (F)