Which of the following statements about emergency contraception is true?
1. Emergency contraception prevents pregnancy by destroying the fertilized egg.
2. If initiated within 3 days of unprotected intercourse, emergency contraception is almost 100% effective.
3. The "morning after pill" is, in reality, 2 to 4 regular oral contraceptive pills (depending on the brand).
4. The most common side effects of emergency contraception are lower abdominal cramping and bleeding.
ANS: 3
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The nasopharynx's function is to
A) warm and humidify air. B) filter out impurities in air. C) exchange carbon dioxide for oxygen in the bloodstream. D) a and b are correct.
Which of the following nursing diagnoses would be appropriate for a patient who has received a kidney transplant?
a. Deficient fluid volume c. Urinary retention b. Excess fluid volume d. Decreased cardiac output
The prescriber has just ordered neomycin for a patient with an infection. The nurse is aware that the most important reason neomycin is administered orally is that with parenteral administration is that it
a. causes excessive gastric irritation. b. would kill beneficial intestinal flora. c. is inactivated by gastric enzymes after a first pass through the liver. d. is more ototoxic and nephrotoxic than other aminoglycosides.
Which of the following groups would be most likely to receive an injection of prophylactic im-mune globulin for possible exposure to hepatitis A?
a. Persons who have had direct contact with blood b. Those who ate at the same restaurant as the person with hepatitis A c. All health care workers d. All those who had household or sexual contact with persons with hepatitis A