Which of the following serum laboratory studies should be evaluated by the health care provider who is determining the effectiveness of lactulose (Cephulac)?
a. Triglycerides
b. Potassium
c. Uric acid
d. Ammonia
ANS: D
Lactulose reduces blood ammonia levels in patients, which leads to improved mental status.
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Natural killer cells in the body have the ability to do which of the following actions?
a. Destroy T lymphocytes in an attempt to regulate the immune response b. Kill tumor cells and cells infected with microbes c. Stimulate the production of cytotoxic T cells d. Suppress the formation of B lymphocytes
A patient who underwent a total hip replacement is being routinely turned. What should the nurse and other caregivers do to prevent dislocation of the new prosthesis?
A) Keep the affected leg in a position of adduction. B) Use measures other than turning to prevent pressure ulcers. C) Prevent internal rotation of the affected leg. D) Keep the hip flexed by placing pillows under the patient's knee.
Proposed changes to the health care delivery system in the United States will:
a. Provide new opportunities for public health specialists. b. Result in isolated care being provided to individuals. c. Emphasize specialty care. d. Increase the utilization of acute care services.
A client has diabetes insipidus and receives desmopressin (DDAVP). The nurse completes medication education and evaluates that learning has occurred when the client makes which statement?
1. "This medication is a potent vasodilator; my blood pressure can fall." 2. "This medication promotes diuresis in my body; my blood pressure can fall." 3. "This medication increases water reabsorption in my kidneys." 4. "This medication suppresses hormone secretion from my posterior pituitary gland."