What is the best reason that drug toxicity can occur as a result of an age-related change in the liver?
a. Increased liver size
b. Decreased liver enzyme activity
c. Rapid blood flow through the liver
d. Fluid accumulation in the portal vein
B
Decreased liver enzyme activity does not prepare the drug for excretion. The liver size is de-creased in older persons; blood flow through the liver is also decreased.
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Which of the following is a result of how cost containment has produced positive changes in nursing practice?
a. There is an increase in opportunities for employment to work on unmet health needs. b. There is an increase in orientation toward a medical model of practice. c. There is less competition among providers of health care services. d. There is less need for rehabilitation centers and home health agencies.
What critical instruction should the nurse give a client about to undergo a skin test for an allergic disorder?
A) Avoid red meat for 48 to 72 hours before the test. B) Avoid strenuous physical activity for 24 hours before the test. C) Avoid antihistamines and cold preparations for 48 to 72 hours before the test. D) Avoid sunlight for 48 to 72 hours before the test.
A patient has been admitted to a medical unit with respiratory symptoms that are characteristic of tuberculosis. When transporting the patient to radiology for a chest x-ray, the nurse has applied a mask that covers the patient's nose and mouth
This action addresses which component of the chain of infection? A) Causative organism B) Mode of exit C) Portal of entry D) Susceptible host
A nurse caring for a patient receiving heparin therapy notes that the patient has a heart rate of 98 beats per minute and a blood pressure of 110/72 mm Hg. The patient's fingertips are purplish in color
A stat CBC shows a platelet count of less than 100,000 mm3 . The nurse will: a. administer oxygen and notify the provid-er. b. discontinue the heparin and notify the provider. c. request an order for protamine sulfate. d. request an order for vitamin K (phytona-dione).