Five weeks after conception the developing organism is best classified as a(n) _____
Fill in the blank(s) with correct word
embryo
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The original purpose of Social Security was to
a. create a way for seniors to pay for housing expenses b. provide a supplement to savings and other means of financial support. c. provide the primary source of income for those over age 65. d. create an investment opportunity.
Among the primary risk factors for stroke are a. low blood pressure and sodium insufficiency
b. sleep deprivation. c. obesity and the use of alcohol, tobacco, and other drugs. d. unusually low cholesterol levels.
Which area of the brain is rich in endorphin receptors and the primary target for opioid painkillers?
A. Forebrain B. Periaqueductal gray C. Basal ganglia D. Amygdala
Juan has been diagnosed with hepatitis B. He has not had unprotected sex with anyone. Which of the following could be a possible way through which Juan contracted the infection?
A. Juan swapped seats on a flight with a hepatitis B-infected person who was coughing and sneezing. B. Juan shared needles for tattooing with a person who had hepatitis B. C. Juan consumed contaminated water during his trip abroad. D. Juan shared a food plate at a dinner party with a hepatitis B-infected person.