After studying about viruses, which information indicates the student has a good understanding of viruses? Viruses:
a. contain no DNA or RNA.
b. are capable of independent reproduction.
c. replicate their genetic material inside host cells.
d. are easily killed by antimicrobials.
ANS: C
Virus replication depends totally on the ability of the virus to infect a permissive host cell, a cell that cannot resist viral invasion and replication. Viruses contain both DNA and RNA, are incapa-ble of independent reproduction, and cannot be killed by antimicrobials.
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The nurse cares for critically ill patients in a busy trauma unit. The nurse manager has instituted a program to incorporate principles of palliative care into the care of all patients in the unit. What is the best reason for this inclusion?
A) Most of the patients in critical care will die, so palliative care will be necessary. B) Primary palliative care focuses on relief of suffering and improvement of quality of life. C) This action has been mandated by the nurse manager and must be implemented. D) Palliation is another way of managing pain control in critical care.
During the assessment of a client's pharynx, the palate and uvula fail to rise symmetrically. Which of the following should the nurse do?
a. Assess the client's gag reflex. b. Call the physician. c. Provide the client with oxygen. d. Place the client in the prone position.
Montelukast (Singulair) may be prescribed for:
1. A 6-year-old child with exercise-induced asthma 2. A 2-year-old child with moderate persistent asthma 3. An 18-month-old child with seasonal allergic rhinitis 4. None of the above; montelukast is not approved for use in children
A postpartum client reports sharp, shooting pains in her nipple during breastfeeding and flaky, itchy skin on her breasts. Which of the following does the nurse suspect?
1. Nipple soreness 2. Engorgement 3. Mastitis 4. Letdown reflex