What is the purpose of anticoagulant therapy?
a. Thin the blood
b. Lyse existing clots
c. Increase viscosity of the blood
d. Prevent new clot formation
ANS: D
All anticoagulants prevent the formation of blood clots, or thrombi, by interfering with the complex clotting mechanism of blood and increasing the time it takes for blood to clot.
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In order for a nurse working at a community health clinic to appropriately plan care, he knows that which of the following populations is most at risk for pneumonia?
A) A preschool-age child B) A 72-year-old African American man with diabetes C) A 70-year-old Caucasian man D) A 30-year-old woman
The nurse is caring for a 4-year-old child with cerebral palsy (CP). The child, developmentally, is at an infant stage. Appropriate developmental stimulation for this child should be what?
a. Playing "pat-a-cake" with the child b. None so the child does not become overstimulated c. Putting a colorful mobile with music on the bed d. Giving the child a coloring book and crayons
A patient with heart failure is facing the end of life. Which intervention would the nurse prioritize with this patient?
1. Have the health care provider discuss end-of-life topics with the patient. 2. Tell the patient that the family should be the primary source of support, but that nursing staff will be glad to substitute if necessary. 3. Be as honest as possible about the progression of the disease and the support needed. 4. Reassure the patient that death will be painless.
The night before an exam, Mary feels a surge of panic. Her heart rate increases and she begins to sweat. The stress of writing the paper the next day makes her feel nauseous. These physiological changes that Mary is experiencing are caused by the:
A. activation of the parasympathetic system. B. deactivation of the reticular formation. C. activation of the sympathetic system. D. deactivation of the limbic system.