A nurse is preparing a patient for a barium enema. Which one of the following is a nurse's responsibility for diagnostic procedures and tests?
A) writing the order for the procedure or test
B) delegating care during a procedure to others
C) ensuring results of diagnostic tests are recorded
D) providing emotional and physical preparation
D
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The mechanism of dilation with percutaneous transluminal coronary angioplasty (PTCA) is
a. stretching of the vessel wall, resulting in fracture of the plaque. b. anticoagulation after the completion of the procedure, enhancing dilation. c. plaque removal after balloon inflation. d. compression of plaque against the vessel wall.
A physician has ordered the use of an inhaler for a patient with a respiratory condition, but the patient finds that taking deep breaths is very difficult. The nurse should
A) change the route of administration to liquid sprays. B) ask the patient to make a better effort to take deep breaths. C) use a spacer to facilitate easier inhalation of the drug. D) contact the prescriber for a recommendation.
A nurse administers promethazine (Phenergan) for nausea. Which extra precautionary action should the nurse implement because of the common side effect of antiemetic medications?
a. Check vital signs for erratic blood pres-sure. b. Add a blanket to prevent chilling. c. Provide extra water to combat thirst. d. Put up side rails to prevent falls.
Select the accurate statement with regard to pH-dependent ionization
A. An acid is a proton donor, whereas a base is a proton acceptor. B. Acids ionize best in an acidic medium. C. For bases to ionize, the medium must be alkaline. D. When an acid gives up positively charged ions, the acid becomes more basic.