All of the following are simple steps for protecting the water supply EXCEPT
A. not pouring old medicines down the drain.
B. fixing leaky faucets.
C. watering lawns and garden plants in the mid-afternoon.
D. taking showers instead of baths.
Answer: C
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Which of the following glands is an endocrine and an exocrine gland?
A) pineal B) thymus C) pancreas D) thyroid
Memory T cells, effector T cells, and naïve T cells share several characteristics. Which of the following descriptions could only be said of memory T cells?
A. Memory T cells are activated by any APC. B. Memory T cells are only found in one location and do not circulate. C. Memory T cells express CD44, CD62L, and CCR7. D. Memory T cells recognize MHC class I or class II peptides displaying antigen molecules. E. Memory T cells depend upon co-stimulatory signals from CD2/ LFA-3, CD45R/ CD22, and LFA-1/ ICAM-2.
Which vitamin is essential for the body in order to absorb sufficient calcium to protect the bones?
A. A B. D C. E D. C E. B6
In the context of the Health Belief model, one's opinion of how effective the recommended health behavior is in reducing the risk or seriousness of a condition, disease, or illness is called:
A. perceived benefits. B. perceived severity. C. perceived susceptibility. D. perceived barriers.