A prescriber orders verapamil (Covera HS) for a patient who is taking digoxin (Lanoxin) and warfarin. The nurse will expect the prescriber to _____ the dose of _____
a. lower; digoxin
b. increase; digoxin
c. lower; warfarin
d. increase; warfarin
ANS: A
Calcium channel blockers, such as verapamil, can increase levels of digoxin, so patients taking these drugs may need to have their digoxin dose reduced. Increasing the dose of digoxin can result in digoxin toxicity. Verapamil does not affect warfarin levels.
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A patient began vomiting and continued to do so for several hours. What is the result of this loss of stomach contents?
a. Metabolic acidosis b. Metabolic alkalosis c. Respiratory acidosis d. Respiratory alkalosis
Diagnostic tests show that a patient's bone density has decreased over the past several years. The patient asks the nurse what factors contribute to bone density decreasing. What would be the nurse's best response?
A) "For many people, lack of nutrition can cause a loss of bone density." B) "Progressive loss of bone density is mostly related to your genes." C) "Stress is known to have many unhealthy effects, including reduced bone density." D) "Bone density decreases with age, but scientists are not exactly sure why this is the case."
A nurse recognizes that the actions of benzodiazepines include which findings? (Select all that apply.)
a. Sleep deprivation b. Relief of general anxiety c. Suppression of seizures and/or seizure ac-tivity d. Development of tardive dyskinesia e. Increase in muscle spasms
A class of nutrients that is important in body structure and influences the function of muscles and the central nervous system is
a. proteins. b. minerals. c. vitamins. d. carbohydrates.