As far as is known, vitamin A does not play an important role in which of the following processes?
a. Blood clotting b. Growth of bones and teeth
c. Synthesis of visual pigment d. Maintaining mucous membranes
a
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To eliminate any bias that subjects or researchers may have during an experiment, the scientists use
A. observational research. B. a control group. C. a double-blind placebo-controlled study. D. a peer-reviewed journal.
With what vitamin is opsin usually associated in the body?
a. A b. B1 c. C d. D e. K
Currently, the system of health care in the United States is structured around _______________.
Fill in the blank(s) with the appropriate word(s).
Which of the following clients is at least risk for contracting hepatitis?
a. client with ethanol abuse issues b. client who enjoys eating at sushi bars c. client who survived Hurricane Katrina d. client who re-uses his own needles and syringes for insulin administration