The nurse discussing the importance of sunlight on the skin would emphasize that ultraviolet light helps to synthesize which of the following vitamins?
A) E
B) D
C) A
D) C
Ans: B
Feedback: Skin exposed to ultraviolet light can convert substances necessary for synthesizing vitamin D (cholecalciferol). Vitamin D is essential for preventing rickets, a condition that causes bone deformities and result from a deficiency of vitamin D, calcium, and phosphorus.
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The letter of application should be written as a(n):
1. e-mail. 2. informal letter. 3. business letter. 4. form letter.
A patient diagnosed with active tuberculosis is in a negative pressure room for respiratory airborne isolation. How long should the nurse maintain the patient in this type of isolation?
1. Until three consecutive sputum specimens for acid fast bacilli are negative 2. Until the Mantoux test (PPD) converts from positive to negative 3. Until the patient has orders for discharge 4. Until the chest X-ray is normal
One way to help clients follow the Dietary Guidelines for Americans is to encourage them to use
a. Healthy People 2020. b. MyPyramid. c. The Food Stamp Program. d. The Exchange Lists for Meal Planning.
The mechanism of action of oral contraceptives is
A. to decrease the lumen of the fallopian tubes making fertilization more difficult. B. to prevent fertilization from occurring by slowing the release of the ovum from the ovary. C. to inhibit ovulation by suppressing FSH and LH levels. D. to increase the acidity of vaginal secretions, thus acting as a spermicidal.