Mad cow disease is caused by
A. bacteria.
B. a virus.
C. a parasite.
D. prions.
Answer: D
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Which of the following is not a characteristic of poverty and hunger?
a. Hunger and obesity may exist in the same household b. The highest rates of obesity occur among the poorest c. The provision of food to the poor actually helps to prevent obesity d. The poor prefer to purchase energy-dense foods despite their higher cost compared with vegetables
Approximately 95% of patients with ulcerative colitis have disease only involving the rectum
a. True b. False Indicate whether the statement is true or false
The EAR and UL are used to examine the likelihood of dietary excess and adequacy, respectively
Indicate whether the statement is true or false
Which hormone, mediated by the enzyme renin, is primarily responsible for active reabsorption of sodium ions in the distal and collecting tubules??
A) ?antidiuretic hormone B) ?aldosterone C) ?androsterone D) ?adrenocortical